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[10-Q] Carisma Therapeutics, Inc. Quarterly Earnings Report

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
____________________________________________________________
FORM 10-Q
____________________________________________________________
x    QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended June 30, 2025
OR
o    TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from _________________to _________________
Commission File Number: 001-36296
Carisma Therapeutics Inc.
(Exact Name of Registrant as Specified in its Charter)
____________________________________________________________
Delaware26-2025616
(State or other jurisdiction
of incorporation or organization)
(IRS Employer
Identification No.)
3675 Market Street, Suite 401
Philadelphia, PA
19104
(Address of principal executive offices)(Zip Code)
Registrant’s telephone number, including area code: (267) 491-6422
(Former Name or Former Address, if Changed Since Last Report)
____________________________________________________________
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading
Symbol(s)
Name of exchange
on which registered
Common Stock, $0.001 par value per shareCARMThe Nasdaq Stock Market LLC
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No o
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes x No o
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated fileroAccelerated filero
Non-accelerated filerxSmaller reporting companyx
Emerging growth companyo
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o No x
As of August 5, 2025, the registrant had 41,788,096 shares of common stock, $0.001 par value per share, outstanding.


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FORWARD-LOOKING STATEMENTS
This Quarterly Report on Form 10-Q contains express or implied forward-looking statements that are based on our management’s belief and assumptions and on information currently available to our management. Although we believe that the expectations reflected in these forward-looking statements are reasonable, these statements relate to future events or our future operational or financial performance, and involve known and unknown risks, uncertainties, and other factors that may cause our actual results, performance, or achievements to be materially different from any future results, performance, or achievements expressed or implied by these forward-looking statements. Forward-looking statements in this Quarterly Report on Form 10-Q may include, but are not limited to, statements about:
the structure, timing and completion of the merger with OrthoCellix, Inc. (the “OrthoCellix Merger”) and the related anticipated concurrent investment;
the likelihood of the satisfaction of certain conditions to the completion of the OrthoCellix Merger;
the expected effects, perceived benefits or opportunities of the OrthoCellix Merger and the anticipated concurrent investment;
our ability to successfully pursue and consummate any asset monetization transactions;
our ability to preserve our existing cash resources;
our ability to successfully execute a planned orderly wind down;
our expectations regarding the value or recovery that may be available to our stockholders and other stakeholders in connection with the OrthoCellix Merger or as part of a wind down process;
our ability to continue as a going concern;
the potential benefits and advantages of our platform technology, CT-2401, our pre-clinical stage product
candidate targeting liver fibrosis and CT-1119, our product candidate targeting mesothelin-positive solid tumors;
our potential to receive future milestones and royalty payments under our collaboration with ModernaTX, Inc., or Moderna, or to realize value from such collaboration;
our ability to resume historical research and development activities;
our ability to enter into and realize the anticipated benefits of our research and development programs, strategic partnerships, research and licensing programs and academic and other collaborations;
our ability to obtain and maintain intellectual property protection and regulatory exclusivity for our product candidates;
acceptance of product candidates, if approved, by patients, the medical community, and third-party payors;
our expectations regarding our ability to fund our operating expenses and capital expenditure requirements with our cash and cash equivalents;
our estimates regarding the potential market opportunity for our product candidates;
the potential impact of public health epidemics or pandemics and of global economic developments on our business, operations, strategy and goals;
our estimates regarding expenses, future revenue, capital requirements and needs for additional financing;
our competitive position;
our ability to maintain compliance with Nasdaq listing standards;
the impact of government laws and regulations;
political and economic developments; and
such other matters as discussed in our Annual Report on Form 10-K for the year ended December 31, 2024 including Part I, Item 1A, “Risk Factors”.
In some cases, forward-looking statements can be identified by terminology such as “aim,” “anticipate,” “believe,” “estimate,” “expect,” “intend,” “may,” “might,” “plan,” “predict,” “project,” “target,” “potential,” “goals,” “will,” “would,” “could,” “should,” “continue” or the negative of these terms or other comparable terminology, although not all forward-looking statements contain these words. These statements are only predictions. You should not place undue reliance on forward-looking statements because they involve known and unknown risks, uncertainties, and other factors, which are, in some cases, beyond our control and which could materially affect results. Factors that may cause actual results to differ materially from current expectations include, among other things, those listed under the section titled “Risk Factors” and elsewhere in this Quarterly Report on Form 10-Q. If one or more of these risks or uncertainties occur, or if our underlying
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assumptions prove to be incorrect, actual events or results may vary significantly from those expressed or implied by the forward-looking statements. No forward-looking statement is a promise or a guarantee of future performance.
You should read this Quarterly Report on Form 10-Q and the documents that we have filed as exhibits to this Quarterly Report on Form 10-Q completely and with the understanding that our actual future results may be materially different from what we expect. The forward-looking statements in this Quarterly Report on Form 10-Q represent our views as of the date of this Quarterly Report on Form 10-Q. We anticipate that subsequent events and developments will cause our views to change. However, while we may elect to update these forward-looking statements at some point in the future, we have no current intention of doing so except to the extent required by applicable law. You should therefore not rely on these forward-looking statements as representing our views as of any date subsequent to the date of this Quarterly Report on Form 10-Q.
In this Quarterly Report on Form 10-Q, unless otherwise stated or the context otherwise requires, references to the “Company,” “Carisma,” “we,” “us,” and “our” refer to Carisma Therapeutics Inc. (formerly Sesen Bio, Inc.) and its consolidated subsidiaries.
References to “Legacy Carisma” refer to CTx Operations, Inc. (formerly CARISMA Therapeutics Inc.) and references to “Sesen Bio” refer to Sesen Bio, Inc. prior to completion of the business combination on March 7, 2023 in accordance with the terms of the Agreement and Plan of Merger and Reorganization, dated as of September 20, 2022, as amended, by and among the Company, Legacy Carisma and Seahawk Merger Sub, Inc., a wholly owned subsidiary of the Company, pursuant to which Seahawk Merger Sub, Inc. merged with and into Legacy Carisma, with Legacy Carisma continuing as a wholly owned subsidiary of the Company and the surviving corporation of the merger, or the Sesen Bio Merger.

In connection with the Sesen Bio Merger, we changed our name from “Sesen Bio, Inc.” to “Carisma Therapeutics Inc.” Following the completion of the Sesen Bio Merger, the business conducted by us became primarily the business conducted by Legacy Carisma.
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CARISMA THERAPEUTICS INC.
TABLE OF CONTENTS
Page
PART I.
FINANCIAL INFORMATION
1
Item 1.
Interim Financial Statements (Unaudited).
1
Consolidated Balance Sheets
1
Consolidated Statements of Operations and Comprehensive Loss
2
Consolidated Statements of Stockholders’ Equity (Deficit)
3
Consolidated Statements of Cash Flows
4
Notes to the Interim Consolidated Financial Statements
5
Item 2.
Management’s Discussion and Analysis of Financial Condition and Results of Operations.
17
Item 3.
Quantitative and Qualitative Disclosures About Market Risk.
31
Item 4.
Controls and Procedures.
32
PART II.
OTHER INFORMATION
33
Item 1.
Legal Proceedings.
33
Item 1A.
Risk Factors.
33
Item 2.
Unregistered Sales of Equity Securities and Use of Proceeds.
44
Item 5.
Other Information.
44
Item 6.
Exhibits.
45
SIGNATURES
46
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PART I—FINANCIAL INFORMATION
Item 1. Financial Statements.
CARISMA THERAPEUTICS INC.
Unaudited Consolidated Balance Sheets
(in thousands, except share and par value)
June 30,
2025
December 31, 2024
Assets
Current assets:
Cash and cash equivalents$1,999 $17,909 
Prepaid expenses and other assets2,285 5,916 
Assets held for sale11  
Total current assets4,295 23,825 
Property and equipment, net 4,385 
Right of use assets – operating leases717 2,040 
Deferred financing costs 208 
Total assets$5,012 $30,458 
Liabilities and Stockholders' Deficit
Current liabilities:
Accounts payable$4,757 $2,081 
Accrued expenses2,528 7,448 
Deferred revenue 3,729 
Operating lease liabilities703 832 
Finance lease liabilities349 905 
Other current liabilities613 1,060 
Total current liabilities8,950 16,055 
Deferred revenue41,250 41,250 
Operating lease liabilities648 724 
Finance lease liabilities 20 
Other long-term liabilities169 318 
Total liabilities51,017 58,367 
Commitments and contingencies (Note 6)
Stockholders’ deficit:
Preferred stock $0.001 par value, 5,000,000 shares authorized, none issued or outstanding
  
Common stock $0.001 par value, 350,000,000 shares authorized, 41,788,096 and 41,750,109 shares issued and outstanding at June 30, 2025 and December 31, 2024, respectively
41 41 
Additional paid-in capital278,573 277,629 
Accumulated deficit(324,619)(305,579)
Total stockholders’ deficit(46,005)(27,909)
Total liabilities and stockholders’ deficit$5,012 $30,458 
See accompanying notes to unaudited interim consolidated financial statements.
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CARISMA THERAPEUTICS INC.
Unaudited Consolidated Statements of Operations and Comprehensive Loss
(in thousands, except share and per share data)
Three Months Ended
June 30,
Six Months Ended
June 30,
2025202420252024
Collaboration revenues$ $9,197 $3,729 $12,594 
Operating expenses:
Research and development2,424 15,307 11,580 32,769 
General and administrative3,354 5,560 7,261 11,005 
Total operating expenses5,778 20,867 18,841 43,774 
Operating loss(5,778)(11,670)(15,112)(31,180)
Loss on sale of held for sale assets(3,539) (3,539) 
Loss on abandonment of operating lease right-of-use asset(927) (927) 
Other income, net470 508 538 1,040 
Pre-tax loss(9,774)(11,162)(19,040)(30,140)
Income tax expense    
Net loss$(9,774)$(11,162)$(19,040)$(30,140)
Share information:
Net loss per share of common stock, basic and diluted$(0.23)$(0.27)$(0.46)$(0.73)
Weighted-average shares of common stock outstanding, basic and diluted41,788,09641,543,55341,779,70141,241,009
See accompanying notes to unaudited interim consolidated financial statements.
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CARISMA THERAPEUTICS INC.
Unaudited Consolidated Statements of Stockholders’ (Deficit) Equity
(in thousands, except share data)
Stockholders’ (Deficit) Equity
Common stockAdditional
paid-in
capital
Accumulated
deficit
Total
SharesAmount
Balance at December 31, 202441,750,109$41 $277,629 $(305,579)$(27,909)
Exercise of stock options37,987 — 5 — 5 
Stock-based compensation— — 508 — 508 
Net loss— — (9,266)(9,266)
Balance at March 31, 202541,788,09641278,142(314,845)(36,662)
Stock-based compensation— — 431 — 431 
Net loss— — — (9,774)(9,774)
Balance at June 30, 202541,788,096 $41 $278,573 $(324,619)$(46,005)
Balance at December 31, 202340,609,915$40 $271,594 $(245,102)$26,532 
Exercise of stock options1,579— 2 — 2 
Stock-based compensation— — 1,057 — 1,057 
Sale of common stock under Open Market Sale Agreement, net of issuance costs931,2501 2,281 — 2,282 
Net loss— (18,978)(18,978)
Balance at March 31, 202441,542,74441 274,934(264,080)10,895
Exercise of stock options2,23122
Stock-based compensation625625 
Net loss(11,162)(11,162)
Balance at June 30, 202441,544,975 $41 $275,561 $(275,242)$360 
See accompanying notes to unaudited interim consolidated financial statements.
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CARISMA THERAPEUTICS INC.
Unaudited Consolidated Statements of Cash Flows
(in thousands)
Six Months Ended
June 30,
20252024
Cash flows from operating activities:
Net loss$(19,040)$(30,140)
Adjustment to reconcile net loss to net cash used in operating activities:
Depreciation and amortization expense661 1,948 
Stock-based compensation expense939 1,682 
Reduction in the operating right of use assets1,233 4,565 
Write-off of deferred financing costs208  
Loss on sale of assets held for sale3,539  
Gain (loss) on sale of property and equipment(113)67 
Non-cash interest expense31 159 
Loss on abandonment of operating lease right-of-use asset927  
Changes in operating assets and liabilities:
Prepaid expenses and other assets3,328 (7,493)
Accounts payable1,951 (1,900)
Accrued expenses(4,922)1,580 
Deferred revenue(3,729)(4,504)
Operating lease liabilities(1,041)(4,614)
Other long term liabilities57 105 
Net cash used in operating activities(15,971)(38,545)
Cash flows from investing activities:
Proceeds from sales of assets held for sale163  
Proceeds from sales of property and equipment524  
Purchases of property and equipment (123)
Net cash provided by (used in) investing activities687 (123)
Cash flows from financing activities:
Payment of principal related to finance lease liabilities(304)(906)
Proceeds from failed sale-leaseback arrangement 686 
Payment of finance liability from failed sale-leaseback arrangements(327)(645)
Proceeds from the exercise of stock options5 4 
Sale of common stock under Open Market Sale Agreement, net of issuance costs 2,286 
Net cash (used in) provided by financing activities(626)1,425 
Net decrease in cash, cash equivalents and restricted cash(15,910)(37,243)
Cash, cash equivalents, and restricted cash at beginning of the year17,909 77,605 
Cash, cash equivalents and restricted cash at end of the period$1,999 $40,362 
Supplemental disclosures of cash flow information:
Cash paid for interest$57 $105 
Supplemental disclosure of non-cash financing and investing activities:
Right-of-use assets obtained in exchange for new operating lease liabilities$836 $4,337 
Right-of-use assets obtained in exchange for new finance lease liabilities$ $1,660 
Reclassification of deferred financing costs to additional paid-in capital$ $4 
Finance lease liability settled by security deposit$303 $ 
Failed sale-leaseback arrangement in accounts payable$326 $ 
Remeasurement of finance right-of-use asset$399 $ 
See accompanying notes to unaudited interim consolidated financial statements.

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CARISMA THERAPEUTICS INC.
Notes to the Interim Consolidated Financial Statements

(1)    Background

Carisma Therapeutics Inc., a Delaware corporation (collectively with its subsidiaries, the Company), is a biotechnology company that was previously focused on applying its industry leading expertise in macrophage engineering to develop transformative therapies to treat serious diseases including liver fibrosis and cancer.

2024 Revised Operating Plans

In March and December 2024, the Company’s board of directors approved revised operating plans to reduce monthly operating expenses, conserve cash, and refocus the Company’s efforts on strategic priorities. As part of these plans, in March 2024, the Company elected to cease further development of its first lead product candidate, CT-0508. In December 2024 as part of the plan, the Company elected to cease further development of its then lead product candidate, CT-0525, following an assessment of the competitive landscape in anti-HER2 treatments and the impact of recently approved therapies on HER2 antigen loss/downregulation, and the effects on the future development strategy of any anti-HER2 product.

2025 Cash Preservation Plan

As part of a further revised plan approved by the Company's board of directors on March 25, 2025 to preserve the Company's existing cash resources following its reduction in workforce, as further discussed below (the cash preservation plan), the Company reduced its operations to those necessary to identify and explore a range of strategic alternatives to maximize value and prepare to wind down its business. The Company currently has no intention of resuming its historical research and development activities.

As part of the cash preservation plan, the board of directors determined to terminate all of its employees not deemed necessary to pursue strategic alternatives and execute an orderly wind down of our operations. Affected employees were informed of the reduction in workforce on March 25, 2025, which became effective on March 31, 2025. The reduction in workforce included 37 of the Company's full-time employees representing approximately 84% of the Company's total workforce, including certain employees engaged in research and development, manufacturing and corporate activities. The Company incurred approximately $4.2 million in connection with the reduction in workforce during the six months ended June 30, 2025, which primarily represents one-time employee termination benefits directly associated with the workforce reduction. The Company expects to pay the majority of related reduction in workforce amounts by the end of 2025.

Anticipated Merger with OrthoCellix

After a comprehensive review of strategic alternatives, on June 22, 2025, the Company entered into an Agreement and Plan of Merger (the Merger Agreement), by and among the Company, Azalea Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of the Company (Merger Sub), Ocugen, Inc. (Ocugen), a Delaware corporation, and OrthoCellix, Inc. (OrthoCellix), a Delaware corporation and wholly-owned subsidiary of Ocugen, pursuant to which, among other matters, and subject to the satisfaction or waiver of the conditions set forth in the Merger Agreement, Merger Sub will merge with and into OrthoCellix (the OrthoCellix Merger), with OrthoCellix continuing as a wholly owned subsidiary of the Company and the surviving company of the OrthoCellix Merger. The OrthoCellix Merger is intended to qualify for federal income tax purposes as a tax-free reorganization. The Company following the OrthoCellix Merger is referred to herein as the “Combined Company.” If the OrthoCellix Merger is completed, the business of OrthoCellix will continue as the business of the Combined Company. Prior to the completion of the OrthoCellix Merger, the Company will seek to enter into a series of transactions with certain third parties to monetize certain legacy assets, in accordance with the limitations and requirements set forth in the Merger Agreement.

Subject to the terms and conditions of the Merger Agreement, at the effective time of the OrthoCellix Merger (the Effective Time), each share of common stock, par value $0.00001 per share, of OrthoCellix (OrthoCellix Common Stock), issued and outstanding (other than shares of OrthoCellix Common Stock (a) held as treasury stock, (b) owned, directly or indirectly, by the Company or Merger Sub immediately prior to the Effective Time or (c) as to which appraisal rights have been properly exercised in accordance with Delaware law) shall be converted into and become exchangeable for the right
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CARISMA THERAPEUTICS INC.
Notes to the Interim Consolidated Financial Statements
to receive a number of shares of the Company’s common stock, based on a ratio calculated in accordance with the Merger Agreement (the Exchange Ratio).

Immediately after the OrthoCellix Merger and the anticipated Concurrent Investment (as defined below), the Company’s securityholders as of immediately prior to the OrthoCellix Merger are expected to own approximately 10.0% of the outstanding shares of the Combined Company on a fully-diluted basis, and the sole stockholder of OrthoCellix along with the other investors in the anticipated Concurrent Investment are expected to own approximately 90.0% of the outstanding shares of the Combined Company on a fully-diluted basis, subject to certain assumptions, including, but not limited to, Carisma’s net cash as of the closing of the OrthoCellix Merger being approximately $0 and the anticipated amount of the Concurrent Investment of $25.0 million (the Concurrent Investment Amount).

The Exchange Ratio assumes (a) a valuation for OrthoCellix of $135.0 million (less the amount, if any, by which the actual amount of the Concurrent Investment is less than $25.0 million), and (b) a valuation for the Company of $15.0 million, which is subject to adjustment based on the amount by which the Company’s net cash is greater than or less than $0.

The consummation of the OrthoCellix Merger is subject to certain closing conditions, including, among other things, approval by the Company’s stockholders of the shares of the Company’s common stock issuable in connection with the OrthoCellix Merger and the anticipated Concurrent Investment pursuant to the rules of The Nasdaq Stock Market LLC (Nasdaq).

The Merger Agreement contains certain termination rights of each of the Company and OrthoCellix. Upon termination of the Merger Agreement under specified circumstances, the Company may be required to pay OrthoCellix a termination fee of $500,000. Upon termination of the Merger Agreement upon specified circumstances, including in the event that OrthoCellix fails to secure the commitments equal to or in excess of the Concurrent Investment Amount by or before September 15, 2025, OrthoCellix may be required to pay the Company a termination fee of $750,000 and reimburse up to $500,000 of the Company’s fees and expenses incurred in connection with the transactions contemplated by the Merger Agreement.

Anticipated Concurrent Investment

Pursuant to the Merger Agreement, the Company and OrthoCellix have agreed to use commercially reasonable efforts to enter into subscription agreements with one or more investors designated by OrthoCellix, pursuant to which such investors would agree to purchase shares of the Company’s common stock for aggregate gross proceeds (inclusive of the Guarantor Investment Amount (as defined below)) at least equal to the Concurrent Investment Amount, which investment is expected to be consummated at or immediately following the Closing. The Company and the investors participating in the anticipated Concurrent Investment will enter into the registration rights agreement at the closing of the Concurrent Investment, pursuant to which, among other things, the Combined Company will agree to provide for the registration and resale of certain shares of the Company’s common stock that are held by the investors participating in the Concurrent Investment from time to time pursuant to Rule 415 under the Securities Act of 1933, as amended (the Securities Act). The closing of the Concurrent Investment is conditioned upon the satisfaction or waiver of the conditions set forth in the subscription agreements and of each of the conditions to the closing of the OrthoCellix Merger.

Further, pursuant to the Merger Agreement, Ocugen has agreed to enter into a subscription agreement with the Company, pursuant to which Ocugen will agree to purchase $5.0 million of shares of the Company’s common stock as part of the Concurrent Investment (such investment by Ocugen, the Guarantor Investment Amount). Ocugen and OrthoCellix have informed the Company that Ocugen is in the process of seeking the consent of Ocugen’s institutional lender prior to Ocugen’s entry into such subscription agreement for the Guarantor Investment.

Nasdaq Compliance

The Company received multiple notifications from The Nasdaq Stock Market LLC (Nasdaq) staff in 2024 and 2025 regarding non-compliance with Nasdaq Listing Rule 5450(b)(2)(A), which requires the Company to maintain a minimum market value of listed securities of $50.0 million, Nasdaq Listing Rule 5450(b)(2)(C), which requires the Company to maintain a minimum market value of publicly held shares of $15.0 million, and Nasdaq Listing Rule 5450(a)(1), which requires the Company to maintain a minimum bid price of $1.00 per share.

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CARISMA THERAPEUTICS INC.
Notes to the Interim Consolidated Financial Statements
Following a hearing, by decision dated June 10, 2025, the Nasdaq Hearings Panel (Panel) granted the Company’s request for the transfer of its listing to The Nasdaq Capital Market (NCM), pursuant to an exception and an extension of time, ultimately through October 7, 2025, to evidence compliance with all applicable criteria for listing on the NCM, including the applicable bid price requirement (the “NCM Bid Price Rule”). Nasdaq transferred the Company’s listing to the NCM effective as of the open of business on June 12, 2025. The extension of time is subject to the Company demonstrating compliance with the NCM Bid Price Rule by evidencing a closing bid price of $1.00 or more per share for a minimum of 10 consecutive trading sessions, completing a strategic transaction and otherwise demonstrating compliance with all initial listing requirements for the NCM, in each case on or before October 7, 2025. The Panel does not have discretion to grant continued listing for noncompliance with Nasdaq listing standards beyond October 7, 2025. There can be no assurance that the Company will be able to satisfy the requirements or conditions for continued listing within the period of time granted by the Panel. Further, consummation of the OrthoCellix Merger is subject to certain closing conditions, including, among other things, Nasdaq’s approval of the listing of the shares of the Company’s common stock to be issued in connection with the OrthoCellix Merger. There can be no assurance that the Company will be able to satisfy the initial listing requirements for the Combined Company in connection with the OrthoCellix Merger.

At the Company’s special meeting of stockholders held on August 5, 2025, the Company’s stockholders approved an amendment to its certificate of incorporation to effect a reverse stock split of its issued and outstanding common stock at a ratio of not less than 1-for-10 and not greater than 1-for-50 shares, with the exact ratio to be determined by the Company’s board of directors, in its discretion, without further approval or authorization by the Company’s stockholders. The primary purpose for the reverse stock split is to increase the per-share closing bid price of the Company’s common stock so as to demonstrate compliance with the applicable NCM Bid Price Rule, and to help ensure the Company’s continued listing on Nasdaq. However, there can be no assurance that the reverse stock split, if effected, will enable the Company to demonstrate compliance with the NCM Bid Price Rule or that the Company will be able to satisfy the terms of the Panel’s decision by October 7, 2025.

(2)    Development-Stage Risks and Liquidity
The Company has incurred losses and negative cash flows from operations since inception and has an accumulated deficit of $324.6 million as of June 30, 2025. The Company anticipates incurring additional losses for the foreseeable future as it seeks to close the OrthoCellix Merger. As of June 30, 2025, the Company had cash and cash equivalents of $2.0 million. Based on current projections, the Company believes that it does not have sufficient cash and cash equivalents to support its operations for more than one year following the date that these financial statements are issued. As a result of these conditions, substantial doubt exists about the Company’s ability to continue as a going concern. In addition, changing circumstances could cause the Company to consume capital significantly faster than currently anticipated, and the Company may need to spend more than currently expected because of circumstances beyond its control. The Company's cash forecast contains estimates and assumptions, and management cannot predict the timing of all cash receipts and expenditures with certainty. The accompanying unaudited consolidated financial statements have been prepared on a going-concern basis, which contemplates the realization of assets and satisfaction of liabilities in the normal course of business. The consolidated financial statements do not include any adjustments related to the recoverability and classification of recorded asset amounts or the amounts and classification of liability that might result from the outcome of this uncertainty.

The Company’s future operations are highly dependent on the success of the OrthoCellix Merger. In the event the OrthoCellix Merger does not close, the Company will have a limited ability to continue its current operations. Although the Company’s board of directors may elect, among other things, to attempt to identify and complete another strategic transaction if the OrthoCellix Merger does not close, the Company’s board of directors may instead commence bankruptcy or take steps necessary to liquidate or dissolve the Company’s business and assets.

In addition, if the Company were to resume its historical research and development activities, the Company would be subject to those risks associated with any specialty biotechnology company that has substantial expenditures for research and development. There can be no assurance that the Company’s research and development projects will be successful, that products developed will obtain necessary regulatory approval, or that any approved product will be commercially viable. In addition, the Company operates in an environment of rapid technological change and is largely dependent on the services of its employees and consultants.
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CARISMA THERAPEUTICS INC.
Notes to the Interim Consolidated Financial Statements
(3)    Summary of Significant Accounting Policies
Interim Financial Statements
The summary of significant accounting policies is included in the Company’s audited consolidated financial statements and related notes as of and for the year ended December 31, 2024 found in the Annual Report on Form 10-K filed with the Securities and Exchange Commission (SEC) on March 31, 2025.
The accompanying unaudited interim consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (GAAP). Any references in these notes to applicable guidance are meant to refer to GAAP as found in Accounting Standards Codification (ASC) and Accounting Standards Update (ASU) promulgated by the Financial Accounting Standards Board (FASB).
The accompanying unaudited interim consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. In the opinion of management, the accompanying unaudited interim consolidated financial statements include all normal and recurring adjustments (which consist primarily of accruals, estimates and assumptions that impact the unaudited interim consolidated financial statements) considered necessary to present fairly the Company’s financial position as of June 30, 2025 and its results of operations for the three and six months ended June 30, 2025 and 2024. Operating results for the three and six months ended June 30, 2025 are not necessarily indicative of the results that may be expected for the year ending December 31, 2025. The unaudited interim consolidated financial statements, presented herein, do not contain all of the required disclosures under GAAP for annual financial statements. The accompanying unaudited interim consolidated financial statements should be read in conjunction with the audited consolidated financial statements and related notes as of and for the year ended December 31, 2024 found in the Company's Annual Report on Form 10-K filed with the SEC on March 31, 2025.
Use of Estimates
The preparation of unaudited interim consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited interim consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from such estimates. Estimates and assumptions are periodically reviewed, and the effects of revisions are reflected in the unaudited interim consolidated financial statements in the period they are determined to be necessary.
Significant areas that require management’s estimates include stock-based compensation assumptions and accrued research and development.
Assets Held for Sale
In March 2025, the Company committed to a plan to sell its remaining equipment and therefore has classified the amount as assets held for sale on the consolidated balance sheet as of June 30, 2025. The assets held for sale were reported at the lower of the carrying amount or fair value, less costs to sell.
Fair Value of Financial Instruments
Management believes that the carrying amounts of the Company’s financial instruments, including cash equivalents and accounts payable, approximate fair value due to the short-term nature of those instruments. As of June 30, 2025, the Company no longer had funds in money market accounts.
Concentration of Credit Risk
Financial instruments that potentially subject the Company to significant concentrations of credit risk consist primarily of cash and cash equivalents. The Company maintains deposits in federally insured financial institutions in excess of federally insured limits. The Company has not experienced any losses in such accounts and believes it is not exposed to significant risk on its cash and cash equivalents.
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CARISMA THERAPEUTICS INC.
Notes to the Interim Consolidated Financial Statements
Segment Information
Operating segments are defined as components of an enterprise about which separate discrete information is available for evaluation by the chief operating decision maker (CODM), or decision-making group, in deciding how to allocate resources in assessing performance. The Company has one operating segment. The Company's CODM is the chief executive officer. The Company's CODM manages the Company's operations on a consolidated basis for the purpose of allocating resources.

The accounting policies of its segment are the same as those described in the summary of significant accounting policies. The CODM assesses performance for its segment based on net loss, which is reported on the consolidated statements of operations and comprehensive loss. The measure of segment assets is reported on the balance sheet as total assets. The CODM uses cash forecast models in deciding how to invest into the segment. The CODM analyzes the Company’s net loss and monitors budget versus actual results to assess the performance of the Company.

The table below summarizes the significant expense categories regularly reviewed by the CODM for the three and six months ended June 30, 2025 and 2024 (in thousands):

Three Months Ended
June 30,
Six Months Ended
June 30,
2025202420252024
Collaboration revenues$ $9,197 $3,729 $12,594 
Less:
Research and development, excluding facilities, personnel, depreciation and amortization expenses1,499 7,643 3,027 17,834 
General and administrative, excluding facilities and personnel expenses, depreciation and amortization expenses2,836 4,070 5,257 7,726 
Facilities expense656 1,794 1,755 3,426 
Personnel expense787 6,311 8,141 12,840 
Depreciation, amortization and interest on finance and sale-leaseback lease liabilities38 1,153 750 2,338 
Other segment items(a)
3,958 (612)3,839 (1,430)
Net loss$(9,774)$(11,162)$(19,040)$(30,140)

(a) "Other segment items" includes loss on sale of held for sale assets, loss on abandonment of operating lease right-of-use assets, and other income, net.
Net Loss Per Share
Basic net loss per share of common stock is computed by dividing net loss by the weighted-average number of shares of common stock outstanding during each period. Diluted net loss per share of common stock includes the effect, if any, from the potential exercise or conversion of securities, such as convertible preferred stock and stock options, which would result in the issuance of incremental shares of common stock. For diluted net loss per share, the weighted-average number of shares of common stock is the same for basic net loss per share due to the fact that when a net loss exists, potentially dilutive securities are not included in the calculation as their impact is anti-dilutive.
The following potentially dilutive securities have been excluded from the computation of diluted weighted-average shares of common stock outstanding, as they would be anti-dilutive:
June 30,
20252024
Stock options6,420,8768,685,238
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CARISMA THERAPEUTICS INC.
Notes to the Interim Consolidated Financial Statements
Recently Issued Accounting Pronouncements

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures (ASU 2023-09), which expands the disclosures required for income taxes. This ASU is effective for fiscal years beginning after December 15, 2024, with early adoption permitted. The amendment should be applied on a prospective basis while retrospective application is permitted. The Company is currently evaluating the effect of this pronouncement on its disclosures.

In November 2024, the FASB issued ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses, which is intended to provide more detailed information about specified categories of expenses (purchases of inventory, employee compensation, depreciation and amortization) included in certain expense captions presented on the consolidated statement of operations. The guidance in this ASU is effective for fiscal years beginning after December 15, 2026, and interim periods within fiscal years beginning after December 15, 2027. Early adoption is permitted. The amendments may be applied either (1) prospectively to financial statements issued for periods after the effective date of this ASU or (2) retrospectively to all prior periods presented in the consolidated financial statements. The Company is currently evaluating the impact that the adoption of ASU 2024-03 will have on its consolidated financial statements and disclosures.
(4)    Prepaid Expenses and other assets
Prepaid expenses and other assets consisted of the following (in thousands):
June 30, 2025December 31, 2024
Research and development$ $1,715 
Collaboration receivable (Note 10) 2,864 
Other receivables (a)579  
Deposits 925 
Insurance1,628 340 
Other78 72 
$2,285 $5,916 
(a) "Other receivables" primarily consisted of equipment sales, sales and use tax refunds, and research and development tax refunds.
(5)    Accrued Expenses
Accrued expenses consisted of the following (in thousands):
June 30, 2025December 31, 2024
Research and development$770 $1,845 
Professional fees617 537 
Compensation and related expenses1,043 4,879 
Other98 187 
$2,528 $7,448 
(6)    Commitments and Contingencies
Leases

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CARISMA THERAPEUTICS INC.
Notes to the Interim Consolidated Financial Statements
The Company has operating leases for its laboratory and office space in Philadelphia, Pennsylvania. The Company’s operating leases have term end dates ranging from 2025 to 2029. The Company also has obligations under an arrangement for the use of certain laboratory equipment that are classified as finance leases that commenced in 2022 and have end dates into 2026. During the three and six months ended June 30, 2025, the Company abandoned one of its laboratory space operating lease right-of-use assets, resulting in a loss on abandonment of $0.9 million. In addition, during the three and six months ended June 30, 2025, the Company returned each of its finance lease right-of-use assets to its lessor, resulting in a loss of $1.0 million.
The Company’s operating and finance lease ROU assets and the related lease liabilities are initially measured at the present value of future lease payments over the lease term. The Company is responsible for payment of certain real estate taxes, insurance and other expenses on certain of its leases. These amounts are generally considered to be variable and are not included in the measurement of the ROU assets and lease liability. The Company accounts for non-lease components, such as maintenance, separately from lease components.
The Company carries laboratory equipment from failed sale-leasebacks, as assets held for sale on the accompanying unaudited interim consolidated balance sheets. The ongoing lease payments are recorded as reductions to the finance liability and interest expense. As of June 30, 2025, the Company had a $0.8 million financing liability recorded in other current liabilities and other long-term liabilities on the unaudited interim consolidated balance sheets. During the three and six months ended June 30, 2025, the Company returned each of its failed sale-leaseback laboratory equipment, resulting in a loss of $1.6 million.
The elements of the Company's lease costs were as follows (in thousands):
Six Months Ended June 30,
20252024
Operating lease cost$1,512 $3,154 
Finance lease cost:
Amortization of lease assets439 1,008 
Interest on lease liabilities31 159 
Total finance lease cost470 1,167 
Variable lease cost209 672 
Total lease cost$2,191 $4,993 
Lease term and discount rate information related to leases was as follows:
June 30,
20252024
Weighted-average remaining lease term (in years)
Operating leases2.52.5
Finance leases0.31.4
Weighted-average discount rate
Operating leases10.0%9.8%
Finance leases9.0%9.0%
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CARISMA THERAPEUTICS INC.
Notes to the Interim Consolidated Financial Statements
Supplemental cash flow information was as follows (in thousands):
Six Months Ended
June 30,
20252024
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash used in operating leases$927 $3,203 
Operating cash used in finance leases$31 $159 
Financing cash used in finance leases$576 $906 
Future maturities of lease liabilities were as follows as of June 30, 2025 (in thousands):
Operating
Leases
Finance
Leases
Fiscal year ending: 
2025 (remaining six months)$671 $336 
2026226 20 
2027233  
2028240  
2029184  
Total future minimum payments1,554 356 
Less imputed interest(203)(7)
Present value of lease liabilities$1,351 $349 
Licensing and Sponsored Research Agreements

Under a license agreement with The Trustees of the University of Pennsylvania (Penn), entered into in November 2017, the Company is required to make annual payments of $25,000. Penn is eligible to receive up to $10.9 million per product in development upon the achievement of certain clinical, regulatory and commercial milestone events. There are additional milestone payments required to be paid of up to $30.0 million per product in commercial milestones and up to an additional $1.7 million in development and regulatory milestone payments for the first CAR-M product directed to mesothelin. Additionally, the Company is obligated to pay Penn single-digit royalties based on its net sales.
Contingencies
Liabilities for loss contingencies, arising from claims, assessments, litigation, fines, penalties, and other sources are recorded when it is probable that a liability has been incurred and the amount of the assessment and/or remediation can be reasonably estimated. As of June 30, 2025, the Company was in negotiations with a vendor to determine the total costs owed for research and development services provided. While the negotiations are ongoing, the Company believes a liability is probable. The Company has estimated the amount to be owed to be $1.9 million, of which $1.4 million and $0.5 million is included within accounts payable and accrued expenses, respectively, on the accompanying consolidated balance sheets. The final amount owed may differ from the estimate as negotiations progress. The Company will continue to evaluate the matter and will adjust the liability as necessary based on any new information or agreements reached with the vendor.
(7)    Stockholders’ Equity
Open Market Sale Agreement

On April 17, 2023, the Company filed a universal shelf registration statement on Form S-3, which was declared effective on May 2, 2023 (Registration Statement). Under the Registration Statement, the Company may offer and sell up to $300.0 million of a variety of securities, including debt securities, common stock, preferred stock, depository shares, subscription rights, warrants and units from time to time in one or more offerings at prices and on terms to be determined at
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CARISMA THERAPEUTICS INC.
Notes to the Interim Consolidated Financial Statements
the time of the offering. On May 12, 2023, the Company entered into an Amended and Restated Open Market Sale AgreementSM with Jefferies LLC, as sales agent, pursuant to which the Company may offer and sell shares of common stock with an aggregate offering price of up to $100.0 million under an “at-the-market" offering program. During the six months ended June 30, 2024, the Company sold 931,250 shares of common stock and received net proceeds of $2.3 million in connection with the Company's "at-the-market" offering program. The Company did not sell any shares of common stock in connection with the Company’s “at-the-market” offering program during the six months ended June 30, 2025.
(8)    Stock-based Compensation
2017 Stock Incentive Plan

The Company adopted the CARISMA Therapeutics Inc. 2017 Stock Incentive Plan, as amended (the “Legacy Carisma Plan”), that provided for the grant of incentive stock options to employees, directors, and consultants. The maximum term of options granted under the Legacy Carisma Plan was ten years, and stock options typically vested over a four-year period. The Company’s stock options vest based on the terms in the awards agreements and generally vest over four years. Upon completion of the Sesen Bio Merger, the Company assumed the Legacy Carisma Plan and the outstanding and unexercised options issued thereunder and ceased granting awards under the Legacy Carisma Plan.
2014 Stock Incentive Plan

The Amended and Restated Stock Incentive Plan, as amended (the "2014 Plan"), provides for the grant of incentive and non-qualified stock options, restricted stock awards and restricted stock units, stock appreciation rights and other stock-based awards to the Company’s employees, officers, directors, consultants, and advisors, with amounts and terms of grants determined by the Company’s board of directors at the time of grant. Stock options outstanding under the 2014 Plan generally vest over a four-year period and are exercisable for a period of ten years from the date of grant. As of June 30, 2025, approximately 7.7 million shares of common stock remained available for issuance.
2014 Employee Stock Purchase Plan

The Carisma Therapeutics Inc. 2014 Employee Stock Purchase Plan (the "2014 ESPP") provides employees with the opportunities to purchase shares of common stock at a 15% discount to the market price through payroll deductions or lump sum cash investments. The 2014 ESPP had 0.2 million shares of common stock available for issuance as of June 30, 2025.
The following table summarizes stock option activity for the six months ended June 30, 2025:
OptionsWeighted
average
exercise
price
Weighted
average
remaining
contractual
term (years)
Aggregate
Intrinsic
Value (in
thousands)
Outstanding as of December 31, 20247,746,991$2.81 
Exercised(37,987)0.11 $14 
Granted1,749,0000.50 
Forfeited (3,037,128)2.10 
Outstanding as of June 30, 20256,420,876$2.53 7.0$43 
Exercisable as of June 30, 20254,691,835$2.46 6.3$43 
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CARISMA THERAPEUTICS INC.
Notes to the Interim Consolidated Financial Statements
The weighted-average grant-date per share fair values of options granted during the six months ended June 30, 2025 and 2024 were $0.42 and $1.45, respectively. The fair values in the six months ended June 30, 2025 and 2024 were estimated using the Black-Scholes option-pricing model based on the following assumptions:
Six Months Ended June 30,
20252024
Risk-free interest rate
4.32% - 4.35%
3.77% - 4.59%
Expected term6 years6 years
Expected volatility
108.30% - 110.68%
103.00% - 107.10%
Expected dividend yield  
Stock-Based Compensation Expense
The Company recorded stock-based compensation expense in the following expense categories in its accompanying unaudited interim consolidated statements of operations (in thousands):
Three Months Ended June 30,Six Months Ended June 30,
2025202420252024
Research and development$103 $(44)$210 $392 
General and administrative328 669 729 1,290 
$431 $625 $939 $1,682 
In connection with the cash preservation plan, 3.0 million options were forfeited during the six months ended June 30, 2025, resulting in a reduction in stock-based compensation expense related to research and development and, general and administrative employees. Compensation cost for awards not vested as of June 30, 2025 was $3.1 million and will be expensed over a weighted-average period of 2.1 years.
(9)    Related-Party Transactions

The Company has a collaboration and license agreement with Moderna, a significant stockholder (See Note 10 – Moderna Collaboration and License Agreement).
(10)    Moderna Collaboration and License Agreement

In January 2022, the Company entered into a collaboration agreement with Moderna (the Moderna License Agreement), which provides for a broad strategic collaboration to discover, develop and commercialize in vivo engineered chimeric antigen receptor macrophage and monocyte (CAR-M) therapeutics in oncology. Moderna has the right to designate up to twelve research targets as development targets under this collaboration. While the collaboration was initially limited to oncology, in September 2024, the companies agreed to expand the collaboration to discover, develop and commercialize in vivo engineered CAR-M therapeutics in specific autoimmune diseases. As of February 2025, in connection with Moderna's nomination of all 12 oncology research targets, the Company will not be conducting any additional research activities under the collaboration agreement and will not be receiving any further payments from Moderna for research and development services under the collaboration agreement.

Subsequent to the nomination of a research target, Moderna may designate the research target as a development target. Upon Moderna’s designation of a development target (and payment of a related development target designation milestone) for commencement of pre-clinical development of a product candidate, the Company will grant Moderna an exclusive worldwide, sublicensable royalty bearing license to develop, manufacture and commercialize the product candidate.

Under the terms of the Moderna License Agreement, Moderna made an upfront non-refundable payment of $45.0 million to the Company. Assuming Moderna develops and commercializes 12 products, each directed to a different development
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CARISMA THERAPEUTICS INC.
Notes to the Interim Consolidated Financial Statements
target, the Company is eligible to receive up to between $247.0 million and $253.0 million per product in development target designation, development, regulatory and commercial milestone payments. Moderna reimbursed the Company for costs incurred by the Company in connection with its research and development activities under the Moderna License Agreement plus a reasonable margin for the respective services performed into the first quarter of 2025; however, as discussed below, Moderna will no longer reimburse the Company for research and development services. The Company is eligible to receive tiered mid-to-high single digit royalties of net sales of any products that are commercialized under the agreement, which may be, subject to reductions. In addition, Moderna has agreed to cover the cost the Company incurs for certain milestone payments and royalties that the Company owes as a licensor under one of its intellectual property in-license agreements with Penn, which is sublicensed to Moderna under the Moderna License Agreement. Moderna may deduct these royalties in part from any royalties owed to the Company. The Moderna License Agreement terminates on a product-by-product basis upon the latest of expiration of the applicable product patents, expiration of regulatory exclusivity and the tenth anniversary of first commercial sale, unless terminated earlier by the Company or Moderna.

At commencement, the Company identified several potential performance obligations within the Moderna License Agreement, including research and development services on research targets, option rights held by Moderna, a non-exclusive royalty-free license to use the Company’s intellectual property to conduct research and development activities and participation on the joint steering committee. The Company determined that there were 2 performance obligations comprised of (i) research and development services and (ii) option rights.

For the research and development services, the stand-alone selling price was determined considering the expected passthrough costs and cost of the research and development services and a reasonable margin for the respective services. The material rights from the option rights were valued based on the estimated discount at which the option is priced and the Company’s estimated probability of the options’ exercise as of the time of the agreement. The transaction price allocated to research and development services is recognized as collaboration revenues as the research and development services are provided to satisfy the underlying obligation related to the research and development target. The transfer of control occurs over this period and, in management’s judgment, is the best measure of progress towards satisfying the performance obligation.
The transaction price of $45.0 million allocated to the options rights, which are considered material rights, will be recognized in the period that Moderna exercises or determines not to exercise its option right to license and commercialize the designated development target.
The Company included the $45.0 million up-front and nonrefundable payment in the transaction price as of the outset of the arrangement. During the six months ended June 30, 2025 and 2024, the Company recognized $3.7 million and $12.6 million, respectively, of collaboration revenues. As discussed below, Moderna will no longer be reimbursing the Company for research and development services.
The Company recognized $42.4 million and $3.8 million, respectively, of research and development services and option right collaboration revenues since inception of the Moderna License Agreement through June 30, 2025.
In February 2025, Moderna nominated ten additional oncology research targets, four of which replaced two oncology research targets and two autoimmune research targets, which Moderna concurrently ceased developing. As of February 2025, Moderna has nominated all 12 oncology research targets under the collaboration for which the Company has the potential to receive future milestones and royalty payments. The Company will not conduct any additional research activities under the collaboration agreement and the Company will not be receiving any further research funding from Moderna under the collaboration agreement. Moderna also agreed to terminate the in vivo oncology field exclusivity, which would allow the Company to pursue in vivo CAR-M programs outside of the 12 nominated oncology targets and product polypeptides. The Company does not expect to recognize any additional unsatisfied research and development performance obligations.
Transaction
price unsatisfied
Performance obligations:
Option rights$41,250 
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CARISMA THERAPEUTICS INC.
Notes to the Interim Consolidated Financial Statements
Amounts due to the Company for satisfying the revenue recognition criteria or that are contractually due based upon the terms of the collaboration agreements are recorded as accounts receivable in the Company’s unaudited interim consolidated balance sheets. Contract liabilities consist of amounts received prior to satisfying the revenue recognition criteria, which are recorded as deferred revenue in the Company’s unaudited interim consolidated balance sheets.
The following table summarizes the changes in deferred revenue (in thousands):
Six Months Ended June 30,
20252024
Balance at the beginning of the period $44,979 $46,413 
Deferral of revenue 6,090 
Recognition of deferred revenue(3,729)(10,594)
Balance at the end of the period$41,250 $41,909 
The deferred revenue represents the unearned portion of the upfront, non-refundable and non-creditable payment allocated to Moderna's option rights of $41.3 million, which is not expected to be recognized within the next 12 months.
(11)    Subsequent Events

The Company has evaluated subsequent events from the balance sheet date through August 7, 2025, the issuance date of these unaudited interim consolidated financial statements, and has not identified any additional items that have not previously been mentioned elsewhere requiring disclosure.
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Table of Contents
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.
The following discussion and analysis of our financial condition and results of operations should be read together with our unaudited interim consolidated financial statements and the related notes appearing elsewhere in this Quarterly Report on Form 10-Q. This discussion contains forward-looking statements that involve risks and uncertainties. As a result of many factors, such as those set forth in the section titled “Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2024 and in this Quarterly Report on Form 10-Q, our actual results may differ materially from those anticipated by these forward-looking statements.
Overview

We are a biotechnology company that was previously focused on applying our industry leading expertise in macrophage engineering to develop transformative therapies to treat serious diseases including liver fibrosis and cancer.

2024 Revised Operating Plans

In late March 2024, following a strategic review of our operating plan for 2024 and future periods, we approved a revised operating plan intended to balance value creation and expense management with our available cash resources. The objective of our revised operating plan was to focus our clinical development efforts on high potential value programs with meaningful near-term milestones and eliminate non-essential expenses and headcount to extend our cash runway. Under that plan, we intended to focus our ex vivo oncology clinical development efforts on our follow-on product candidate CT-0525, a CAR-Monocyte intended to treat solid tumors that over-express anti-human epidermal growth factor receptor 2, or HER2, and cease development of CT-0508, our macrophage-based product candidate, and initial lead product candidate. In addition, at that time, we decided to continue to focus on our in vivo Messenger RNA/lipid nanoparticle, or mRNA/LNP, CAR-M programs in partnership with Moderna and paused development of CT-1119, a mesothelin-targeted CAR-Monocyte, pending additional financing, reduce our workforce and decrease spending on other non-essential activities. All clinical activities of CT-0508 have ceased.

In December 2024, following another strategic review of our operating plan for 2025 and our future pipeline, we approved another revised operating plan intended to reduce monthly operating expenses, conserve cash, and refocus our efforts on strategic priorities. First, we decided to cease development of our HER2 directed autologous cell therapy platform including CT-0525. Our decision was based on an assessment of the competitive landscape in anti-HER2 treatments, including the impact of recently approved anti-HER2 therapies on HER2 antigen loss/downregulation, and the effects on the future development strategy of any anti-HER2 product. We dosed the last patient in our Phase 1 clinical trial of CT-0525, in November 2024 and all clinical activity ended in January 2025.

Further, pursuant to the December 2024 revised operating plan, we pivoted our focus to developing product candidates targeting two indications – liver fibrosis and solid tumor oncology, while retaining the potential to receive milestones and royalties from our collaboration with Moderna.

As part of our cost-reduction initiatives in 2024, we implemented workforce reductions resulting in the termination of 62 full-time employees (representing approximately 58.0% of our total workforce), across research and development and general and administrative functions. The workforce reductions resulted in $4.1 million of severance related costs. As of December 31, 2024, we accrued $2.7 million in severance costs from our workforce reduction, $2.3 million of which was paid in January 2025. We may also incur other charges or cash expenditures not currently contemplated due to events that may occur as a result of, or associated with, the 2024 reduction in workforce.

On June 26, 2024, we notified Novartis Pharmaceuticals Corporation, or Novartis, of our termination of the Manufacturing and Supply Agreement, dated March 1, 2023, relating to the manufacture of our first product candidate to enter clinical development, CT-0508, or the Manufacturing Agreement. The termination was effective July 31, 2024. As a result of the termination of the Manufacturing Agreement, we incurred a termination fee of $4.0 million, or the Termination Fee, which we paid in the third quarter of 2024. We separately agreed with Novartis that if we enter into an agreement for the tech transfer of another product, or a Substitute Product, to Novartis on or before December 31, 2024, then the Termination Fee shall be credited in full or in part against any amounts due to Novartis under such agreement relating to the Substitute Product. We did not enter into an agreement relating to the Substitute Product with Novartis and we expensed the $4.0 million prepaid asset in the fourth quarter of 2024 to research and development in the consolidated statements of operations and comprehensive loss.

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2025 Cash Preservation Plan

As part of a further revised plan approved by our board of directors on March 25, 2025 to preserve our existing cash resources following our reduction in workforce, or our cash preservation plan, we have reduced our operations to those necessary to identify and explore a range of strategic alternatives to maximize value and prepare to wind down our business. We currently have no intention of resuming our historical research and development activities. As part of our cash preservation plan, our board of directors determined to terminate all of our employees not deemed necessary to pursue strategic alternatives and execute an orderly wind down of our operations.

Nasdaq Deficiencies

We are not in compliance with the listing criteria for the Nasdaq Capital Market. Following a timely request for a hearing, we presented our plan to achieve compliance with applicable Nasdaq listing criteria and requested an extension of time to do so. On June 10, 2025, The Nasdaq Stock Market, LLC, or Nasdaq, notified us that The Nasdaq Hearings Panel, or the Panel, determined to grant our request for an exception to, and an extension of time to comply with, Nasdaq listing standards. The extension of time is subject to our demonstrating compliance with Nasdaq Listing Rule 5550(a)(2), or the NCM Bid Price Rule, by evidencing a closing bid price of $1.00 or more per share for a minimum of 10 consecutive trading sessions, completing a strategic transaction and otherwise demonstrating compliance with all initial listing requirements for the Nasdaq Capital Market, in each case on or before October 7, 2025, which is the Nasdaq Compliance Date. The extension of time is further subject to our meeting an interim milestone for a strategic transaction in connection with our ongoing strategic process. The Panel has the right to reconsider its determination based on any event, condition or circumstance that exists or develops that would, in the opinion of the Panel, make continued listing of our securities inadvisable or unwarranted. The Panel does not have discretion to grant continued listing for noncompliance with Nasdaq listing standards beyond October 7, 2025. There can be no assurance that we will be able to satisfy the requirements or conditions for continued listing within the period of time granted by the Panel.

At our special meeting of our stockholders held on for August 5, 2025, our stockholders approved an amendment to our certificate of incorporation to effect a reverse stock split of our issued and outstanding common stock at a ratio of not less than 1-for-10 and not greater than 1-for-50 shares, with the exact ratio to be determined by our board of directors, in its discretion, without further approval or authorization by our stockholders. The primary purpose for the reverse stock split is to increase the per-share closing bid price of our common stock so as to demonstrate compliance with the applicable NCM Bid Price Rule, and to help ensure our continued listing on Nasdaq. However, there can be no assurance that the reverse stock split, if effected, will enable us to demonstrate compliance with the NCM Bid Price Rule or that we will be able to satisfy the terms of the Panel’s decision by October 7, 2025.

Current Strategy - Anticipated Merger with OrthoCellix

After a comprehensive review of strategic alternatives, on June 22, 2025, we entered into an Agreement and Plan of Merger, or the Merger Agreement, by and among us, Azalea Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of us, or Merger Sub, Ocugen, Inc., or Ocugen, a Delaware corporation, and OrthoCellix, Inc., or OrthoCellix, a Delaware corporation and wholly-owned subsidiary of Ocugen, pursuant to which, among other matters, and subject to the satisfaction or waiver of the conditions set forth in the Merger Agreement, Merger Sub will merge with and into OrthoCellix, or the OrthoCellix Merger, with OrthoCellix continuing as a wholly owned subsidiary of us and the surviving company of the OrthoCellix Merger. The OrthoCellix Merger is intended to qualify for federal income tax purposes as a tax-free reorganization. Following the OrthoCellix Merger we are referred to herein as the “Combined Company.” If the OrthoCellix Merger is completed, the business of OrthoCellix will continue as the business of the Combined Company. Prior to the completion of the OrthoCellix Merger, we will seek to enter into a series of transactions with certain third parties to monetize certain legacy assets, in accordance with the limitations and requirements set forth in the Merger Agreement.

Subject to the terms and conditions of the Merger Agreement, at the effective time of the OrthoCellix Merger, or the Effective Time, each share of common stock, par value $0.00001 per share, of OrthoCellix, or OrthoCellix Common Stock, issued and outstanding (other than shares of OrthoCellix Common Stock (a) held as treasury stock, (b) owned, directly or indirectly, by us or Merger Sub immediately prior to the Effective Time or (c) as to which appraisal rights have been properly exercised in accordance with Delaware law) shall be converted into and become exchangeable for the right to receive a number of shares of our common stock, based on a ratio calculated in accordance with the Merger Agreement, or the Exchange Ratio.

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Immediately after the OrthoCellix Merger and the anticipated Concurrent Investment (as defined below), our securityholders as of immediately prior to the OrthoCellix Merger are expected to own approximately 10.0% of the outstanding shares of the Combined Company on a fully-diluted basis, and the sole stockholder of OrthoCellix along with the other investors in the anticipated Concurrent Investment are expected to own approximately 90.0% of the outstanding shares of the Combined Company on a fully-diluted basis, subject to certain assumptions, including, but not limited to, Carisma’s net cash as of the closing of the OrthoCellix Merger being approximately $0 and the anticipated amount of the Concurrent Investment of $25.0 million.

The Exchange Ratio assumes (a) a valuation for OrthoCellix of $135.0 million (less the amount, if any, by which the actual amount of the Concurrent Investment is less than $25.0 million), and (b) a valuation for us of $15.0 million, which is subject to adjustment based on the amount by which our net cash is greater than or less than $0.

Although we have entered into the Merger Agreement and intend to consummate the OrthoCellix Merger, there is no assurance that we will be able to successfully consummate the OrthoCellix Merger on a timely basis, or at all. If, for any reason, the OrthoCellix Merger does not close, our board of directors may elect to, among other things, attempt to complete another strategic transaction like the OrthoCellix Merger, attempt to sell or otherwise dispose of our remaining assets or dissolve and liquidate our assets.

If the OrthoCellix Merger does not close, we might not have enough time or resources remaining to identify, evaluate and complete another strategic transaction before the Nasdaq Compliance Date. If the OrthoCellix Merger is not completed, our board of directors may decide that it is in the best interests of our stockholders to commence bankruptcy or liquidation and dissolution proceedings. In that event, the amount of cash available for distribution to our stockholders would depend heavily on the timing of such decision and, ultimately, such liquidation, since the amount of our cash resources continues to decrease as we continue our wind down activities and incur fees and expenses related to the OrthoCellix Merger. In addition, if our board of directors were to approve and recommend, and our stockholders were to approve, a dissolution of the company, we would be required under Delaware law to pay our outstanding obligations, as well as to make reasonable provision for contingent and unknown obligations, prior to making any distributions in liquidation to our stockholders. As a result of this requirement, a portion of our assets may need to be reserved pending the resolution of such obligations. In addition, we may be subject to litigation or other claims related to a liquidation and dissolution of the company. If a liquidation and dissolution were pursued, our board of directors, in consultation with its advisors, would need to evaluate these matters and make a determination about a reasonable amount to reserve. Accordingly, our stockholders could lose all or a significant portion of their investment in the event of a liquidation and dissolution of the company.

Contingent Value Rights Agreement

At or prior to the Effective Time, we will enter into a Contingent Value Rights Agreement, or the CVR Agreement, with a rights agent, or the Rights Agent, pursuant to which our pre-OrthoCellix Merger common stockholders, subject to the terms and conditions set forth in the CVR Agreement will receive one contingent value right, or a CVR, for each outstanding share of our common stock held by such stockholder on such date.

Each CVR will represent the contractual right to receive a contingent cash payment equal to (i) the Net Proceeds (as defined in the CVR Agreement) received by us to the extent such payment related to the disposition of any legacy asset of ours during the period beginning on the execution date of the Merger Agreement and ending on the second (2nd) anniversary of the closing of the OrthoCellix Merger, if any, plus (ii) the Net Proceeds received by us to the extent such payment related to any royalties, milestones or other payments received by us following the closing of the OrthoCellix Merger under certain of our existing agreements, including its collaboration and license agreement with ModernaTX, Inc., in each case subject to adjustment based on the terms and conditions set forth in the CVR Agreement. The contingent payments under the CVR Agreement, if they become payable, will become payable to the Rights Agent for subsequent distribution to the holders of the CVRs. In the event that no such proceeds are received, holders of the CVRs will not receive any payment pursuant to the CVR Agreement. There can be no assurance that any holders of CVRs will receive any payments with respect thereto.

Anticipated Concurrent Investment

Pursuant to the Merger Agreement, we and OrthoCellix have agreed to use commercially reasonable efforts to enter into subscription agreements with one or more investors designated by OrthoCellix, pursuant to which such investors would agree to purchase shares of our common stock for aggregate gross proceeds (inclusive of the Guarantor Investment Amount (as defined below)) at least equal to the Concurrent Investment Amount, which investment is expected to be consummated
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at or immediately following the closing of the OrthoCellix Merger. We and the investors participating in the anticipated Concurrent Investment will enter into the registration rights agreement at the closing of the Concurrent Investment, pursuant to which, among other things, the Combined Company will agree to provide for the registration and resale of certain shares of our common stock that are held by the investors participating in the Concurrent Investment from time to time pursuant to Rule 415 under the Securities Act of 1933, as amended, or the Securities Act. The closing of the Concurrent Investment is conditioned upon the satisfaction or waiver of the conditions set forth in the subscription agreements and of each of the conditions to the closing of the OrthoCellix Merger.

Further, pursuant to the Merger Agreement, Ocugen has agreed to enter into a subscription agreement with us, pursuant to which Ocugen will agree to purchase $5.0 million of shares of our common stock as part of the Concurrent Investment (such investment by Ocugen, the Guarantor Investment Amount). Ocugen and OrthoCellix have informed us that Ocugen is in the process of seeking the consent of Ocugen’s institutional lender prior to Ocugen’s entry into such subscription agreement us for the Guarantor Investment.

Our Historical Product Candidates and Pipeline

Our liver fibrosis program is based upon the discovery of a key efferocytosis defect in the macrophages that reside within the livers of patients with fibrosis. Using a novel mRNA/LNP, approach, our product candidate aims to reverse fibrotic disease and improve the outcomes of patients with advanced liver fibrosis. In the second quarter of 2024, we achieved pre-clinical proof of concept in our liver fibrosis program, demonstrating the anti-fibrotic potential of engineered macrophages in two liver fibrosis models. Prior to pausing our research and development activities, we planned to continue to conduct pre-clinical development of our product candidate, CT-2401, sufficient to enable a regulatory submission to initiate a clinical trial.

Our oncology program leverages our considerable expertise and experience in ex vivo cell therapy. CT-1119 is designed to treat patients with advanced mesothelin-positive solid tumors, including pancreatic cancer, ovarian cancer, lung cancer, mesothelioma, and others. Prior to pausing our research and development activities, we planned to initiate a Phase 1 clinical trial of CT-1119, a mesothelin-targeted CAR-Monocyte, in combination with tislelizumab, an anti-PD-1 antibody, in adult patients with mesothelin-positive solid tumors, in China.

Our collaboration with Moderna utilizes Moderna's mRNA/LNP technology, together with our CAR-M platform technology, to create novel in vivo oncology off-the-shelf gene therapy product candidates. In June 2024, we announced that Moderna nominated the first development candidate under the collaboration and paid us a $2.0 million milestone. This development candidate targets Glypican-3, or GPC3, and is designed to treat solid tumors, including hepatocellular carcinoma. In November 2024, we announced new pre-clinical data on our anti-GPC3 in vivo CAR-M therapy for treating hepatocellular carcinoma. These pre-clinical data demonstrated robust anti-tumor activity. In February 2025, Moderna nominated ten additional oncology research targets, four of which replaced two oncology research targets and two autoimmune research targets, which Moderna concurrently ceased developing. As of February 2025, Moderna has nominated all 12 oncology research targets under the collaboration for which we have the potential to receive future milestones and royalty payments. As such, we will not be conducting any additional research activities under the collaboration agreement and we will not be receiving any further research funding from Moderna under the collaboration agreement. Moderna also agreed to terminate the in-vivo oncology field exclusivity, which would allow us to pursue in vivo CAR-M programs outside of the 12 nominated targets and product polypeptides.

To date, we have not yet commercialized any products or generated any revenue from product sales and have financed our operations primarily with proceeds from sales of our preferred stock, proceeds from our collaboration with Moderna, research tax credits, convertible debt financing, and completion of the Sesen Bio Merger and related financing. Our operations have historically been limited to organizing and staffing the company, business planning, capital raising, establishing and maintaining our intellectual property portfolio, building our pipeline of product candidates, conducting drug discovery activities, undertaking pre-clinical studies, manufacturing process development studies, conducting early-stage clinical trials, and providing general and administrative support for these operations. We have historically devoted substantially all of our financial resources and efforts to pursuing discovery, research and development of our product candidates.

Financial Operations

Our net losses were $19.0 million and $30.1 million for the six months ended June 30, 2025 and 2024, respectively. As of June 30, 2025, we had $2.0 million in cash and cash equivalents and an accumulated deficit of $324.6 million. Although we have reduced operations in connection with our cash preservation plan, we have incurred expenses in connection with
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our evaluation of strategic alternatives. We expect to continue to incur significant expenses and operating losses in connection with consummating the OrthoCellix Merger and the ongoing process of exploring transactions with certain third parties to monetize certain legacy assets. A considerable portion of these expenses, such as legal, accounting and advisory fees and other related charges, will be incurred regardless of whether we consummate the OrthoCellix Merger or enter into a monetization transaction for legacy assets.

Although we believe our current cash and cash equivalents are sufficient to sustain our operating expenses and capital expenditure requirements into the fall of 2025, we do not expect that our cash and cash equivalents will support our operations for more than one year following the date of this Quarterly Report on Form 10-Q. As a result of these conditions, substantial doubt exists about our ability to continue as a going concern. We have based this estimate on assumptions that may prove to be wrong. In addition, changing circumstances could cause us to consume capital significantly faster than we currently anticipate, and we may need to spend more than currently expected because of circumstances beyond our control. As a result, we could deplete our capital resources sooner than we currently expect.

Our future operations are highly dependent on the success of the OrthoCellix Merger. Although we have entered into the Merger Agreement and intend to consummate the OrthoCellix Merger, there is no assurance that we will be able to successfully consummate the OrthoCellix Merger on a timely basis, or at all. If the OrthoCellix Merger does not close, we might not have enough time or resources remaining to identify, evaluate and complete another strategic transaction before the Nasdaq Compliance Date. If the OrthoCellix Merger is not completed, our board of directors may decide that it is in the best interests of our stockholders to commence bankruptcy or liquidation and dissolution proceedings.

Financial Operations Overview
Collaboration Revenues

To date, we have not generated any revenue from product sales and do not expect to generate any revenue from the sale of products for the foreseeable future. Our revenues to date have been generated from the Moderna collaboration agreement. Moderna reimbursed us for all costs incurred by it in connection with its research and development activities under the Moderna collaboration agreement plus a reasonable margin for the respective services performed. As of February 2025, Moderna has nominated all 12 oncology research targets under collaboration agreement with Moderna, or the Moderna License Agreement. As such, we will not be conducting any additional research activities under the collaboration agreement and we will not be receiving any further research funding from Moderna under the collaboration agreement. We are eligible to receive potential milestone and royalty payments from Moderna in the future. To date, we have received $2.0 million in milestone payments and we have not received any royalties under the Moderna collaboration agreement.
Research and Development Expenses
Research and development expenses consist primarily of costs incurred for our research activities, including discovery efforts and the development of product candidates, and include:
expenses incurred to conduct the necessary pre-clinical studies and clinical trials required to obtain regulatory approval;
salaries, benefits and other related costs, including stock-based compensation expense, for personnel engaged in research and development functions;
costs of funding research performed by third parties, including pursuant to agreements with contract research organizations, or CROs, as well as investigative sites and consultants that conduct our pre-clinical studies and clinical trials;
expenses incurred under agreements with contract manufacturing organizations, or CMOs, including manufacturing scale-up expenses and the cost of acquiring and manufacturing pre-clinical study and clinical trial materials;
costs of outside consultants, including their fees, stock-based compensation and related travel expenses;
the costs of laboratory supplies and acquiring materials for pre-clinical studies;
facility-related expenses, which include direct depreciation costs of equipment and expenses for rent and maintenance of facilities and other operating costs; and
third-party licensing fees.

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Research and development activities have historically been central to our business model. Product candidates in later stages of clinical development will generally have higher development costs than those in earlier stages of clinical development, primarily due to the increased size and duration of later-stage clinical trials. We expect our research and development expenses to continue to significantly decrease in 2025 as a result of our decision to pause our research and development activities as part of our cash preservation plan. We currently have no intention of resuming our historical research and development activities. If the OrthoCellix Merger is completed, the business of OrthoCellix will continue as the business of the Combined Company. If the OrthoCellix Merger is not completed and we are able to resume historical research and development activities, our research and development expenses would increase; however, any future resumption of our historical research and development activities would depend on completing a strategic transaction that would support our prior operating plans or otherwise obtaining significant additional funding.

If we were to resume our historical research and development activities, the success of any of our product candidates will depend on several factors, including the following:
successfully completing pre-clinical studies;
timely filing and receiving clearance of investigational new drug applications to commence clinical trials;
successfully initiating, enrolling patients in and completing clinical trials;
scaling up manufacturing processes and capabilities to support clinical trials of any of our product candidates;
applying for and receiving marketing approvals from applicable regulatory authorities;
obtaining and maintaining intellectual property protection and regulatory exclusivity for any product candidates;
making arrangements with third-party manufacturers, or establishing commercial manufacturing capabilities, for both clinical and commercial supplies of our product candidates;
establishing sales, marketing and distribution capabilities and launching commercial sales of our products, if and when approved, whether alone or in collaboration with others;
acceptance of any of our product candidates, if and when approved, by patients, the medical community and third-party payors;
effectively competing with other therapies;
obtaining and maintaining coverage, adequate pricing and adequate reimbursement from third-party payors, including government payors;
maintaining, enforcing, defending and protecting our rights in our intellectual property portfolio;
not infringing, misappropriating or otherwise violating others’ intellectual property or proprietary rights; and
maintaining a continued acceptable safety profile of our products following receipt of any marketing approvals.

A change in the outcome of any of these variables with respect to the development, manufacture or commercialization activities of a product candidate could mean a significant change in the costs and timing associated with the development of that product candidate. For example, if we are required to conduct additional clinical trials or other testing of our product candidates beyond those that we currently contemplate, if we are unable to successfully complete clinical trials of our product candidates or other testing, if the results of these trials or tests are not positive or are only modestly positive, if there are safety concerns or if we determine that the observed safety or efficacy profile would not be competitive in the marketplace, we could be required to expend significant additional financial resources and time on the completion of clinical development.
General and Administrative Expenses
General and administrative expenses consist primarily of personnel expenses, including salaries, benefits and stock-based compensation expense for employees in executive, finance, accounting, business development and human resource functions. General and administrative expense also includes corporate facility costs, including rent, utilities, depreciation and maintenance, and costs not otherwise included in research and development expenses, legal fees related to intellectual property and corporate matters as well as fees for accounting and consulting services.

We expect that our general and administrative expenses will continue to decrease in 2025, as we have terminated all of our employees not deemed necessary to pursue strategic alternatives and execute an orderly wind down of our operations. However, we have incurred and expect to continue to incur significant costs related to the OrthoCellix Merger, including legal, accounting and advisory expenses and other related charges.
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Other Income, Net
Interest income, net consists of interest earned on our excess cash, net of interest expense, and sales of supplies. Interest expense consists of interest on our finance leases.
Income Taxes

Since inception, we have incurred significant net losses. We have provided a valuation allowance against the full amount of our deferred tax assets since, in our opinion, based upon our historical and anticipated future losses, it is more likely than not that the benefits will not be realized. As of June 30, 2025, we remained in a full valuation allowance position.

The utilization of our net operating losses, or NOLs, may be subject to a substantial annual limitation in the event of certain cumulative changes in the ownership interest of significant stockholders over a three-year period in excess of 50 percent, as defined under Sections 382 and 383 of the Internal Revenue Code of 1986, or the Code, respectively, as well as similar state provisions. We have recorded a valuation allowance on all of our deferred tax assets, including deferred tax assets related to NOLs.
Results of Operations
Comparison of the Three Months Ended June 30, 2025 and 2024 (in thousands)
Three Months Ended
June 30,
20252024
Collaboration revenues$— $9,197 
Operating expenses:
Research and development2,424 15,307 
General and administrative3,354 5,560 
Total operating expenses5,778 20,867 
Operating loss(5,778)(11,670)
Loss on sale of held for sale assets(3,539)— 
Loss on abandonment of operating lease right-of-use asset(927)— 
Other income, net470 508 
Pre-tax loss(9,774)$(11,162)
Collaboration Revenues
Collaboration revenues were zero and $9.2 million for the three months ended June 30, 2025 and 2024, respectively, related to the research and development activities completed under the Moderna License Agreement.
Research and Development Expenses
We track outsourced development, outsourced personnel costs and other external research and development costs of our CT-0508, CT-0525, and CT-1119 programs. We do not track internal research and development costs on a program-by-program basis. The following table summarizes our research and development expenses for the three months ended June
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30, 2025 and 2024 (in thousands). Certain amounts related to prior period results were reclassified to conform to current period presentation. These reclassifications have not changed total research and development expenses.
Three Months Ended
June 30,
20252024Change
CT-0508 (1)$515 $2,052 $(1,537)
CT-0525 (1)155 2,768 (2,613)
CT-1119 (1)— 324 (324)
Personnel costs, including stock-based compensation (2)445 5,479 (5,034)
Other clinical and pre-clinical development expenses416 1,264 (848)
Facilities and other expenses893 3,420 (2,527)
Total research and development expenses$2,424 $15,307 $(12,883)
(1) Our 2024 revised operating plans adjusted our research and development focus. For the Phase 1 clinical trial of CT-0525, the last patient was dosed in November 2024 and all clinical activity ended in January 2025. All clinical activities related to CT-0508 also ceased in 2024. In connection with our 2024 revised operating plans, we had also elected to pause further development of CT-1119, a mesothelin-targeted CAR-Monocyte, pending additional financing. In connection with our cash preservation plan, we currently have no intention of resuming our historical research and development activities.

(2) Our cash preservation plan and the 2024 revised operating plans included reductions in workforce which resulted in severance costs during the three months ended June 30, 2025 and 2024.
The decrease in research and development expenses was primarily attributable to a decrease in our program expenses and personnel costs in connection with the cash preservation plan and 2024 revised operating plans.
General and Administrative Expenses
The following table summarizes our general and administrative expenses for the three months ended June 30, 2025 and 2024 (in thousands). Certain amounts related to prior period results were reclassified to conform to current period presentation. These reclassifications have not changed total general and administrative expenses.
Three Months Ended
June 30,
20252024Change
Personnel costs, including stock-based compensation (1)$784 $2,066 $(1,282)
Professional fees2,074 2,010 64 
Facilities and supplies106 826 (720)
Insurance, taxes, and fees259 373 (114)
Other expenses131 285 (154)
Total general and administrative expenses$3,354 $5,560 $(2,206)

(1) Our cash preservation plan and 2024 revised operating plans included reductions in workforce which resulted in severance costs during the three months ended June 30, 2025 and 2024.

The decrease in general and administrative expenses was primarily attributable to a decrease in personnel costs and facilities expense in connection with the cash preservation plan and the 2024 revised operating plans.
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Loss on Sale of Held For Sale Assets
We recognized $3.5 million in losses on sale of held for sale assets during the three months ended June 30, 2025, related to the return of finance lease right-of-use, or ROU, assets and the sale of previously classified equipment. We did not incur such losses during the three months ended June 30, 2024.
Loss on Abandonment of Operating Lease Right-of-Use Asset
We recognized $0.9 million in losses related to the abandonment of operating lease space during the three months ended June 30, 2025. We did not incur such losses during the three months ended June 30, 2024.
Other Income, Net
We recognized $0.5 million in other income, net for the three months ended June 30, 2025 and 2024, which was attributable to interest earned on excess cash and sales of supplies in connection with the cash preservation plan.
Comparison of the Six Months Ended June 30, 2025 and 2024 (in thousands)
Six Months Ended
June 30,
20252024
Collaboration revenues$3,729 $12,594 
Operating expenses:
Research and development11,580 32,769 
General and administrative7,261 11,005 
Total operating expenses18,841 43,774 
Operating loss(15,112)(31,180)
Loss on sale of held for sale assets(3,539)— 
Loss on abandonment of operating lease right-of-use asset(927)— 
Other income, net538 1,040 
Pre-tax loss(19,040)$(30,140)
Collaboration Revenues
Collaboration revenues were $3.7 million and $12.6 million for the six months ended June 30, 2025 and 2024, respectively, related to the research and development activities completed under the Moderna License Agreement.
Research and Development Expenses
We track outsourced development, outsourced personnel costs and other external research and development costs of our CT-0508, CT-0525, and CT-1119 programs. We do not track internal research and development costs on a program-by-program basis. The following table summarizes our research and development expenses for the six months ended June 30,
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2025 and 2024 (in thousands). Certain amounts related to prior period results were reclassified to conform to current period presentation. These reclassifications have not changed total research and development expenses.
Six Months Ended
June 30,
20252024Change
CT-0508 (1)$515 $3,202 $(2,687)
CT-0525 (1)925 5,184 (4,259)
CT-1119 (1)— 730 (730)
Personnel costs, including stock-based compensation (2)6,496 10,184 (3,688)
Other clinical and pre-clinical development expenses1,707 5,636 (3,929)
Facilities and other expenses1,937 7,833 (5,896)
Total research and development expenses$11,580 $32,769 $(21,189)
(1) Our 2024 revised operating plans adjusted our research and development focus. For the Phase 1 clinical trial of CT-0525, the last patient was dosed in November 2024 and all clinical activity ended in January 2025. All clinical activities related to CT-0508 also ceased in 2024. In connection with our 2024 revised operating plans, we had also elected to pause further development of CT-1119, a mesothelin-targeted CAR-Monocyte, pending additional financing. In connection with our cash preservation plan, we currently have no intention of resuming our historical research and development activities.

(2) Our cash preservation plan and the 2024 revised operating plans included reductions in workforce which resulted in severance costs during the six months ended June 30, 2025 and 2024.
The decrease in research and development expenses was primarily attributable to a decrease in our program expenses, personnel costs and other clinical and pre-clinical development expenses, and facility expenses in connection with the cash preservation plan and 2024 revised operating plans.
General and Administrative Expenses
The following table summarizes our general and administrative expenses for the six months ended June 30, 2025 and 2024 (in thousands). Certain amounts related to prior period results were reclassified to conform to current period presentation. These reclassifications have not changed total general and administrative expenses.
Six Months Ended
June 30,
20252024Change
Personnel costs, including stock-based compensation (1)$2,612 $4,486 $(1,874)
Professional fees3,667 4,317 (650)
Facilities and supplies248 1,038 (790)
Insurance, taxes, and fees426 576 (150)
Other expenses308 588 (280)
Total general and administrative expenses$7,261 $11,005 $(3,744)

(1) Our cash preservation plan and 2024 revised operating plans included reductions in workforce which resulted in severance costs during the six months ended June 30, 2025 and 2024.

The decrease in general and administrative expenses was primarily attributable to a decrease in our personnel costs and facilities and supplies in connection with the cash preservation plan and the 2024 revised operating plans.
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Loss on Sale of Held For Sale Assets
We recognized $3.5 million in losses on sale of held for sale assets during the six months ended June 30, 2025, related to the return of finance lease ROU assets and the sale of previously classified equipment. We did not incur such losses during the six months ended June 30, 2024.
Loss on Abandonment of Operating Lease Right-of-Use Asset
We recognized $0.9 million in losses related to the abandonment of operating lease space during the six months ended June 30, 2025. We did not incur such losses during the six months ended June 30, 2024.
Other Income, Net
We recognized $0.5 million and $1.0 million in other income, net for the six months ended June 30, 2025 and 2024, which was attributable to interest earned on excess cash and the sale of supplies in connection with our cash preservation plan.
Liquidity and Capital Resources
Sources of Liquidity

As of June 30, 2025, we had $2.0 million in cash and cash equivalents and an accumulated deficit of $324.6 million. To date, we have not yet commercialized any products or generated any revenue from product sales and have financed operations primarily with proceeds from sales of preferred stock, proceeds from our collaboration with Moderna, research tax credits, convertible debt financing, and completion of the Sesen Bio Merger and related financing. Through June 30, 2025, we have generated $46.2 million of collaboration revenues related to research and development services, option rights, and milestones.

After a comprehensive review of strategic alternatives, on June 22, 2025, we entered into the Merger Agreement for the contemplated OrthoCellix Merger. If the OrthoCellix Merger is completed, the business of OrthoCellix will continue as the business of the Combined Company. Although we intend to consummate the OrthoCellix Merger, there is no assurance that we will be able to successfully consummate the OrthoCellix Merger on a timely basis, or at all. Our future operations are highly dependent on the success of the OrthoCellix Merger.

We and OrthoCellix each have certain termination rights under the Merger Agreement. Upon termination of the Merger Agreement under specified circumstances, we may be required to pay OrthoCellix a termination fee of $500,000. Upon termination of the Merger Agreement upon specified circumstances, OrthoCellix may be required to pay us a termination fee of $750,000 and reimburse up to $500,000 of our fees and expenses incurred in connection with the transactions contemplated by the Merger Agreement.

Pursuant to the Merger Agreement, we and OrthoCellix have agreed to use commercially reasonable efforts to enter into subscription agreements with one or more investors designated by OrthoCellix, pursuant to which such investors would agree to purchase shares of our common stock for aggregate gross proceeds (inclusive of the Guarantor Investment Amount) at least equal to the Concurrent Investment Amount, which investment is expected to be consummated at or immediately following the closing of the OrthoCellix Merger. The closing of the Concurrent Investment is conditioned upon the satisfaction or waiver of the conditions set forth in the subscription agreements and of each of the conditions to the closing of the OrthoCellix Merger.

As of February 2025, Moderna has nominated all 12 oncology research targets under the collaboration. As such, we will not be conducting any additional research activities under the collaboration agreement and we will not be receiving any further research funding from Moderna under the collaboration agreement. We received the final research and development payment of $2.9 million from Moderna in January 2025. Under the terms of the Moderna License Agreement, assuming Moderna develops and commercializes 12 products, each directed to a different development target, we are eligible to receive up to between $247.0 million and $253.0 million per product in development target designation, development, regulatory and commercial milestone payments. We are also eligible to receive tiered mid-to-high single digit royalties of net sales of any products that are commercialized under the agreement, which may be, subject to reductions.

On April 17, 2023, we filed a universal shelf registration statement on Form S-3, which was declared effective on May 2, 2023, or the Registration Statement. Under the Registration Statement, we may offer and sell up to $300.0 million of a
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variety of securities, including debt securities, common stock, preferred stock, depository shares, subscription rights, warrants and units from time to time in one or more offerings at prices and on terms to be determined at the time of the offering. On May 12, 2023, we entered into an Amended and Restated Open Market Sale AgreementSM, or the Sale Agreement, with Jefferies LLC, as sales agent, pursuant to which we may offer and sell shares of our common stock with an aggregate offering price of up to $100.0 million under an “at-the-market" offering program. As of June 30, 2025, we have sold 1,362,917 shares of our common stock for net proceeds of $3.0 million.
Cash Flows
The following table shows a summary of our cash flows for the six months ended June 30, 2025 and 2024 (in thousands):
Six Months Ended
June 30,
20252024
Cash (used in) provided by
Operating activities$(15,971)$(38,545)
Investing activities687 (123)
Financing activities(626)1,425 
Net change in cash, cash equivalents and restricted cash$(15,910)$(37,243)
Cash Flows from Operating Activities
During the six months ended June 30, 2025, we used $16.0 million of net cash in operating activities. Cash used in operating activities reflected our net loss of $19.0 million and a $4.4 million net change in our operating assets and liabilities attributable to the timing in which we pay our vendors for research and development activities, partially offset by $7.4 million of non-cash charges related to depreciation and amortization expense, stock-based compensation, reductions in the operating right of use, or ROU assets, the write-off of deferred financing costs, losses on the sale of assets held for sale, gain on sale of property and equipment, and loss on abandonment of operating lease ROU asset.
During the six months ended June 30, 2024, we used $38.5 million of net cash in operating activities. Cash used in operating activities reflected our net loss of $30.1 million that was offset by $8.4 million of non-cash charges related to depreciation and amortization expense, stock-based compensation, ROU assets, and non-cash interest on the finance lease liability and a $16.8 million net change in our operating assets and liabilities attributable to the timing in which we pay our vendors for research and development activities.
Cash Flows from Investing Activities
During the six months ended June 30, 2025, we received $0.7 million of cash from investing activities related to the sale of property and equipment and assets held for sale.

During the six months ended June 30, 2024, cash used in investing activities reflected the purchases of property and equipment.
Cash Flows from Financing Activities
During the six months ended June 30, 2025, we used $0.6 million of net cash from financing activities, attributable to $0.3 million in payments of finance liability for failed-sale leaseback arrangements and $0.3 million in payments of principal related to finance lease liabilities.
During the six months ended June 30, 2024, we received $1.4 million of net cash from financing activities, primarily attributable to $2.3 million from the sale of common stock in connection with the Sale Agreement and $0.7 million in proceeds from failed-sale leaseback arrangements, partially offset by $0.9 million in payments of principal related to finance lease liabilities, and $0.6 million in payments of finance liability from failed-sale leaseback arrangements.
Funding Requirements

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As of June 30, 2025, we had cash and cash equivalents of $2.0 million. Our funding requirements will depend on the outcome of the planned OrthoCellix Merger.

Although we have reduced operations in connection with our cash preservation plan, we have incurred expenses in connection with our evaluation of strategic alternatives. We expect to continue to incur significant expenses and operating losses in connection with consummating the OrthoCellix Merger and the ongoing process of exploring transactions with certain third parties to monetize certain legacy assets. A considerable portion of these expenses, such as legal, accounting and advisory fees and other related charges, will be incurred regardless of whether we consummate the OrthoCellix Merger or enter into a monetization transaction for legacy assets.

Although we believe our current cash and cash equivalents are sufficient to sustain our operating expenses and capital expenditure requirements into the fall of 2025, we do not expect that our cash and cash equivalents will support our operations for more than one year following the date of this Quarterly Report on Form 10-Q. As a result of these conditions, substantial doubt exists about our ability to continue as a going concern. We have based this estimate on assumptions that may prove to be wrong. In addition, changing circumstances could cause us to consume capital significantly faster than we currently anticipate, and we may need to spend more than currently expected because of circumstances beyond our control. As a result, we could deplete our capital resources sooner than we currently expect.

Our future operations are highly dependent on the success of the OrthoCellix Merger. Although we have entered into the Merger Agreement and intend to consummate the OrthoCellix Merger, there is no assurance that we will be able to successfully consummate the OrthoCellix Merger on a timely basis, or at all. If, for any reason, the OrthoCellix Merger does not close, our board of directors may elect to, among other things, attempt to complete another strategic transaction like the OrthoCellix Merger, attempt to sell or otherwise dispose of our remaining assets or dissolve and liquidate our assets.

If the OrthoCellix Merger does not close, we might not have enough time or resources remaining to identify, evaluate and complete another strategic transaction before the Nasdaq Compliance Date. If the OrthoCellix Merger is not completed, our board of directors may decide that it is in the best interests of our stockholders to commence bankruptcy or liquidation and dissolution proceedings. In that event, the amount of cash available for distribution to our stockholders would depend heavily on the timing of such decision and, ultimately, such liquidation, since the amount of our cash resources continues to decrease as we continue our wind down activities and incur fees and expenses related to the OrthoCellix Merger. In addition, if our board of directors were to approve and recommend, and our stockholders were to approve, a dissolution of the company, we would be required under Delaware law to pay our outstanding obligations, as well as to make reasonable provision for contingent and unknown obligations, prior to making any distributions in liquidation to our stockholders. As a result of this requirement, a portion of our assets may need to be reserved pending the resolution of such obligations. In addition, we may be subject to litigation or other claims related to a liquidation and dissolution of the company. If a liquidation and dissolution were pursued, our board of directors, in consultation with its advisors, would need to evaluate these matters and make a determination about a reasonable amount to reserve. Accordingly, our stockholders could lose all or a significant portion of their investment in the event of a liquidation and dissolution of the company.

In the event that our board of directors determines that a liquidation and dissolution of our business approved by stockholders is desirable or the best method to maximize value, we would prepare proxy materials and schedule a special meeting of our stockholders to seek approval of such a plan.

We currently have no intention of resuming our historical research and development activities. Any future resumption of our historical research and development activities would depend on completing a strategic transaction that would support our prior operating plans or otherwise obtaining significant additional funding. Significant additional financing may not be available to us on acceptable terms, or at all, and may be impacted by the economic climate and market conditions.

To the extent that we are able to raise additional capital through the public or private sale of equity or convertible debt securities, your ownership interest will be diluted, and the terms of those securities may include liquidation or other preferences that adversely affect your rights as a holder of our common stock. Debt financing and preferred equity financing, if available, would increase our fixed payment obligations and may involve agreements that include covenants limiting or restricting our operations and ability to take specific actions, such as incurring additional debt, making acquisitions, engaging in acquisition, merger or collaboration transactions, selling or licensing our assets, making capital expenditures, redeeming our stock, making certain investments, declaring dividends or other operating restrictions that could adversely impact our ability to conduct business.

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If we are able to raise funds through a strategic collaboration or partnership with one or more parties, we may have to relinquish valuable rights to our intellectual property, future revenue streams, discovery programs or product candidates, grant licenses on terms that may not be favorable to us or grant rights to develop and market product candidates that we would otherwise prefer to develop and market on our own, any of which may have a material adverse effect on our business, operating results and prospects.

If we were to resume historical research and development activities, our expenses would increase and our future capital requirements would depend on many factors, including:

the progress, costs and results of pre-clinical testing of our product candidates;
the progress, costs and results of clinical trials of our product candidates;
the number of and development requirements for additional indications for our product candidates;
the success of our collaborations with Moderna or others;
our ability to scale up our manufacturing processes and capabilities to support clinical trials of the product candidates we are developing and may develop in the future;
the costs, timing and outcome of regulatory review of our product candidates;
potential changes in the regulatory environment and enforcement rules;
our ability to establish and maintain strategic collaborations, licensing or other arrangements and the financial terms of such arrangements;
the payment of license fees and other costs of our technology license arrangements;
the costs and timing of future commercialization activities, including product manufacturing, sales, marketing and distribution, for the product candidates we are developing and may develop in the future for which we may receive marketing approval;
our ability to obtain and maintain acceptance of any approved products by patients, the medical community and third-party payors;
the amount and timing of revenue, if any, received from commercial sales of the product candidates we are developing or develop in the future for which we receive marketing approval;
potential changes in pharmaceutical pricing and reimbursement infrastructure;
the availability of raw materials for use in production of our product candidates;
the costs and timing of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property and proprietary rights and defending any intellectual property-related claims; and
the extent to which we in-license or acquire additional technologies or product candidates.

Identifying potential product candidates and conducting pre-clinical testing and clinical trials is a time-consuming, expensive and uncertain process that takes years to complete, and we may never generate the necessary data or results required to obtain marketing approval and achieve product sales. In addition, our product candidates, if approved, may not achieve commercial success.
Contractual Obligations and Commitments
The following table summarizes our contractual obligations and commitments at June 30, 2025 (in thousands):
TotalLess
than
1 Year
1 to 3
Years
4 to 5
Years
More
than
5 Years
Contractual obligations:     
Operating lease commitments(1)
$1,554 783 466 305 — 
Finance lease commitments356 356 — — — 
Total contractual obligations$1,910 $1,139 $466 $305 $— 
(1)Reflects obligations pursuant to our office and laboratory leases in Philadelphia, Pennsylvania.
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The commitment amounts in the table above are associated with contracts that are enforceable and legally binding and that specify all significant terms, including fixed or minimum services to be used, fixed, minimum or variable price provisions, and the approximate timing of the actions under the contracts. Our contracts with CMOs, CROs and other third parties for the manufacture of our product candidates and to support pre-clinical research studies and clinical testing are generally cancellable by us upon prior notice and do not contain any minimum purchase commitments. Payments due upon cancellation consisting only of payments for services provided or expenses incurred, including noncancellable obligations of our service providers, up to the date of cancellation are not included in the table above as the amount and timing of such payments are not known.
The table above does not include any potential milestone or royalty payments that we may be required to make under our license agreement with Penn and under licensing agreements with other third parties not considered material. We excluded these milestone and royalty payments given that the timing and likelihood of any such payments cannot be reasonably estimated at this time.
In connection with the cash preservation plan, we incurred $4.2 million during the six months ended June 30, 2025, which primarily represents one-time employee termination benefits directly associated with the workforce reduction. We expect to pay the majority of related reduction in workforce amounts by the end of 2025.
As described above, upon termination of the Merger Agreement under specified circumstances, we may be required to pay OrthoCellix a termination fee of $500,000.
Critical Accounting Policies and Estimates
Our management’s discussion and analysis of financial condition and results of operations is based on our unaudited interim consolidated financial statements, which have been prepared in accordance with U.S. generally accepted accounting principles. The preparation of our unaudited interim consolidated financial statements and related disclosures requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses and the disclosure of contingent assets and liabilities in our unaudited interim consolidated financial statements. We base our estimates on our limited historical experience, known trends and events and various other factors that we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. We evaluate our estimates and assumptions on an ongoing basis. Our actual results may differ from these estimates under different assumptions or conditions.

During the six months ended June 30, 2025, there were no material changes to our critical accounting policies and estimates from those described under the heading “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for the year ended December 31, 2024 filed with the SEC on March 31, 2025.
Recent Accounting Pronouncements

See Note 3 - Recently issued accounting pronouncements to our unaudited interim consolidated financial statements found in this Quarterly Report on Form 10-Q for a description of recent accounting pronouncements applicable to our financial statements.
Item 3. Quantitative and Qualitative Disclosures About Market Risk.
We are exposed to market risks in the ordinary course of our business. These risks primarily include interest rate sensitivities. Our interest-earning assets consist of cash and cash equivalents. Interest income earned on these assets was $0.1 million and $1.0 million for the six months ended June 30, 2025 and 2024, respectively. Our interest income is sensitive to changes in the general level of interest rates, primarily U.S. interest rates.
Inflation generally affects us by increasing our cost of labor and clinical trial costs. We do not believe that inflation had a material effect on our business, financial condition or results of operations during the six months ended June 30, 2025 and 2024.
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Item 4. Controls and Procedures.
Evaluation of Disclosure Controls and Procedures
Our management, with the participation of our principal executive officer and our principal financial officer has evaluated the effectiveness of our disclosure controls and procedures as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended, or the Exchange Act, as of June 30, 2025. The term “disclosure controls and procedures,” as defined in the Exchange Act, means controls and other procedures of a company that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the Company’s management, including its principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure. Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures.
Based on the evaluation of our disclosure controls and procedures as of June 30, 2025, our principal executive officer and principal financial officer concluded that, as of such date, our disclosure controls and procedures were effective at the reasonable assurance level.
Changes in Internal Control over Financial Reporting
No changes in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) occurred during the quarter ended June 30, 2025 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.
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PART II—OTHER INFORMATION
Item 1. Legal Proceedings.
From time to time, we may become involved in legal proceedings arising in the ordinary course of our business. As of the date of this Quarterly Report on Form 10-Q, we were not a party to any material legal matters or claims.
Item 1A. Risk Factors.
In addition to the other information set forth in this Quarterly Report on Form 10-Q, you should carefully consider the factors set forth below and discussed in Part I, “Item 1A. Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2024, which could materially affect our business, operating results or financial condition. The risk factors disclosure in our Annual Report on Form 10-K for the year ended December 31, 2024 is qualified by the information that is described in this Quarterly Report on Form 10-Q. The risks described below and in our Annual Report on Form 10-K for the year ended December 31, 2024 may not be the only risks facing our company. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially and adversely affect our business, operating results or financial condition.
As used in this section, references to “the” “Company, “Carisma,” “we,” “us,” and “our” refer to Carisma Therapeutics Inc. (formerly Sesen Bio, Inc.) and its consolidated subsidiaries.

Risks Related to the OrthoCellix Merger

The Exchange Ratio will not be adjusted based on the market price of Carisma common stock as the Exchange Ratio depends, among other things, on Carisma’s Net Cash (as defined in the Merger Agreement) at the closing of the OrthoCellix Merger and not the market price of Carisma common stock, so the Merger Consideration (as defined in the Merger Agreement) at the closing of the OrthoCellix Merger may have a greater or lesser value than at the time the Merger Agreement was signed.
At the Effective Time, as described in the Merger Agreement, outstanding shares of OrthoCellix capital stock will be converted into shares of Carisma common stock. Immediately after the OrthoCellix Merger and the anticipated Concurrent Investment, the sole stockholder of OrthoCellix and the other investors in the anticipated Concurrent Investment are expected to own approximately 90.0% of the aggregate number of shares of Carisma common stock on a fully-diluted basis and Carisma securityholders immediately before the OrthoCellix Merger are expected to own approximately 10.0% of the aggregate number of shares of Carisma common stock on a fully-diluted basis, subject to certain assumptions, including, but not limited to, Carisma’s Net Cash as of the closing of the OrthoCellix Merger being approximately $0 and an anticipated Concurrent Investment Amount of $25.0 million. In the event Carisma’s Net Cash is below $0 or the size of the anticipated Concurrent Investment is less than the anticipated Concurrent Investment Amount, the Exchange Ratio will be adjusted and the number of shares therefore issued to OrthoCellix’s sole stockholder prior to the closing of the OrthoCellix Merger will be adjusted.
Any changes in the market price of Carisma common stock before the completion of the OrthoCellix Merger will not affect the Exchange Ratio or the number of shares OrthoCellix’s sole stockholder will be entitled to receive pursuant to the Merger Agreement. Therefore, if before the completion of the OrthoCellix Merger, the market price of Carisma common stock increases from the market price on the date of the Merger Agreement, then OrthoCellix’s sole stockholder could receive Merger Consideration with substantially more value for its shares of OrthoCellix capital stock than the parties had negotiated when they established the Exchange Ratio. Similarly, if before the completion of the OrthoCellix Merger the market price of Carisma common stock declines from the market price on the date of the Merger Agreement, then OrthoCellix’s sole stockholder could receive Merger Consideration with substantially lower value than the parties negotiated when they established the Exchange Ratio. The Merger Agreement does not include a price-based termination right.

The issuance of Carisma common stock to OrthoCellix’s sole stockholder pursuant to the Merger Agreement and to investors in the anticipated Concurrent Investment and the resulting change in control from the OrthoCellix Merger must be approved by Carisma stockholders, and the Merger Agreement and transactions contemplated thereby must be approved by OrthoCellix’s sole stockholder. Failure to obtain these approvals would prevent the closing of the OrthoCellix Merger.
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Before the OrthoCellix Merger can be completed, Carisma stockholders must approve, among other things, the issuance of Carisma common stock to OrthoCellix’s sole stockholder pursuant to the Merger Agreement and to investors in the anticipated Concurrent Investment and the resulting change in control from the OrthoCellix Merger, and OrthoCellix’s sole stockholder must adopt the Merger Agreement and approve the OrthoCellix Merger and the related transactions. Failure to obtain the required stockholder approvals may result in a material delay in, or the abandonment of, the OrthoCellix Merger. Any delay in completing the OrthoCellix Merger may materially adversely affect the timing and benefits that are expected to be achieved from the OrthoCellix Merger.

Failure to complete the OrthoCellix Merger may result in either Carisma or OrthoCellix paying a termination fee to the other party, and could harm the common stock price of Carisma and future business and operations of each company.

If the OrthoCellix Merger is not completed, Carisma and OrthoCellix are subject to the following risks:

if the Merger Agreement is terminated under specified circumstances, Carisma could be required to pay OrthoCellix a termination fee of $500,000, or OrthoCellix could be required to pay Carisma a termination fee of $750,000 and in certain circumstances, reimbursement of up to $500,000 for Carisma’s reasonable out-of-pocket expenses incurred in connection with the Merger Agreement and the transactions contemplated thereby;
the price of Carisma common stock may decline and could fluctuate significantly; and
substantial costs related to the OrthoCellix Merger may be incurred by either party, such as financial advisor, legal and accounting fees, a majority of which must be paid even if the OrthoCellix Merger is not completed.

If the Merger Agreement is terminated and the board of directors of Carisma or OrthoCellix determines to seek another business combination, there can be no assurance that either Carisma or OrthoCellix will be able to find another third party to transact a business combination with, yielding comparable or greater benefits.

If the conditions to the OrthoCellix Merger are not satisfied or waived, the OrthoCellix Merger may not occur.

Even if the OrthoCellix Merger is approved by the sole stockholder of OrthoCellix and Carisma stockholders approve the issuance of Carisma common stock in the OrthoCellix Merger, specified conditions must be satisfied or, to the extent permitted by applicable law, waived to complete the OrthoCellix Merger as set forth in the Merger Agreement. Carisma and OrthoCellix cannot assure you that all of the conditions to the consummation of the OrthoCellix Merger will be satisfied or waived, including the need for Ocugen to obtain consent from Avenue Capital Management II, L.P., Avenue Venture Opportunities Fund II, L.P., as a lender, and Avenue Venture Opportunities Fund, L.P. (collectively, “Avenue Capital”) pursuant to its Loan and Security Agreement with Avenue Capital. If the conditions are not satisfied or waived, the OrthoCellix Merger may not occur or the closing may be delayed.

It is a condition of the consummation of the merger that the Combined Company’s stock is approved for listing on Nasdaq. There can be no assurance such listing condition will be met and, at the time you are asked to vote on the OrthoCellix Merger, you will have no assurance that the common stock of the Combined Company will be listed on Nasdaq following the completion of the OrthoCellix Merger. Further, Carisma is not currently in compliance with the listing requirements of the Nasdaq Capital Market. There can be no assurance that Carisma will not be delisted from Nasdaq prior to the closing of the OrthoCellix Merger. For risks related to Carisma’s noncompliance with the Nasdaq listing standards, see the risk factor titled “We do not currently meet the requirements for continued listing on the Nasdaq Capital Market. If we fail to meet the requirements for continued listing on the Nasdaq Capital Market, trading in our common stock could be suspended and our common stock delisted from Nasdaq, which would have a negative effect on the price of our common stock and our ability to raise additional capital.”

Carisma and OrthoCellix may mutually agree to waive the condition to the OrthoCellix Merger requiring approval for listing on Nasdaq, and if such condition is waived, the Combined Company’s stock may not be listed on Nasdaq following completion of the OrthoCellix Merger.

Pursuant to the Merger Agreement, Carisma agreed to reasonably cooperate to seek approval of the listing of the Combined Company on Nasdaq and to prepare and submit to Nasdaq a notification form for the listing of shares of Carisma common stock to be issued in connection with the contemplated transactions. Additionally, under the Merger Agreement, each of Carisma’s and OrthoCellix’s obligation to complete the OrthoCellix Merger is subject to the satisfaction or waiver by each of the parties of various conditions, including that the shares of Carisma common stock to be issued in the OrthoCellix
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Merger have been approved for listing on Nasdaq as of the closing of the OrthoCellix Merger. In the event that the shares of Carisma common stock to be issued in the OrthoCellix Merger are not approved for listing on Nasdaq, it is possible that Carisma and OrthoCellix may mutually agree to waive the applicable condition and nonetheless proceed with completing the OrthoCellix Merger. If such condition is waived, Carisma will not recirculate an updated proxy statement/prospectus, nor will it solicit a new vote of stockholders prior to proceeding with the OrthoCellix Merger. If Carisma proceeds with the OrthoCellix Merger in these circumstances, the Combined Company’s stock may not be listed on Nasdaq.

If the Combined Company’s stock is not listed on Nasdaq following completion of the OrthoCellix Merger, trading of the shares could be conducted in the over-the-counter market or on an electronic bulletin board established for unlisted securities, such as the Pink Sheets or the OTC Bulletin Board. In such event, it is likely that there would be significantly less liquidity in the trading of the common stock of the Combined Company; decreases in institutional and other investor demand for the shares, coverage by securities analysts, market making activity and information available concerning trading prices and volume; and fewer broker dealers willing to execute trades in the common stock of the Combined Company. Also, it may be difficult for the Combined Company to raise additional capital if the Combined Company’s common stock is not listed on a major exchange. The occurrence of any of these events could result in a further decline in the market price of the common stock of the Combined Company and could have a material adverse effect on the Combined Company.

Carisma and OrthoCellix may mutually agree to complete the OrthoCellix Merger even though a material adverse effect may result from the announcement of the OrthoCellix Merger, industry-wide changes or other causes.

In general, neither Carisma nor OrthoCellix is obligated to complete the OrthoCellix Merger if there is a material adverse effect affecting the other party between June 22, 2025, the date of the Merger Agreement, and the closing of the OrthoCellix Merger. However, pursuant to the terms of the Merger Agreement, certain types of events and/or causes are excluded from the concept of a “material adverse effect.” Such exclusions include, but are not limited to, changes or conditions generally affecting the industries in which the parties operate, or the economy or the financial, debt, banking, capital, credit or securities markets, in the United States, including effects on such industries, economy or markets resulting from any regulatory and political conditions or developments in general. Therefore, if any of these events were to occur and adversely affect Carisma or OrthoCellix, the other party would still be obligated to consummate the closing notwithstanding such material adverse effects. If any such adverse effects occur and Carisma and OrthoCellix consummates the closing, the stock price of the Combined Company may suffer. This, in turn, may reduce the value of the OrthoCellix Merger to the stockholders of Carisma, OrthoCellix or both.

If Carisma and OrthoCellix complete the OrthoCellix Merger, the Combined Company will need to raise additional capital by issuing equity securities or additional debt or through licensing arrangements, which may cause significant dilution to the Combined Company’s stockholders or restrict the Combined Company’s operations.

Additional financing may not be available to the Combined Company when it is needed or may not be available on favorable terms. To the extent that the Combined Company raises additional capital by issuing equity securities, such financing will cause additional dilution to all securityholders of the Combined Company, including Carisma’s pre-Merger securityholders and OrthoCellix’s former securityholders. It is also possible that the terms of any new equity securities may have preferences over the Combined Company’s common stock. Any debt financing the Combined Company enters into may involve covenants that restrict its operations. These restrictive covenants may include limitations on additional borrowing and specific restrictions on the use of the Combined Company’s assets, as well as prohibitions on its ability to create liens, pay dividends, redeem its stock or make investments. In addition, if the Combined Company raises additional funds through licensing arrangements, it may be necessary to grant licenses on terms that are not favorable to the Combined Company.

Carisma stockholders and OrthoCellix’s sole stockholder may not realize a benefit from the OrthoCellix Merger commensurate with the ownership dilution they will experience in connection with the OrthoCellix Merger, including the issuance of shares of common stock in the anticipated Concurrent Investment.

If the Combined Company is unable to realize the full strategic and financial benefits currently anticipated from the OrthoCellix Merger, Carisma stockholders and OrthoCellix’s sole stockholder will have experienced substantial dilution of their ownership interests without receiving any commensurate benefit, or only receiving part of the commensurate benefit
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to the extent the Combined Company is able to realize only part of the strategic and financial benefits currently anticipated from the OrthoCellix Merger.

If the OrthoCellix Merger is not completed, Carisma’s stock price may decline significantly.

The market price of Carisma common stock is subject to significant fluctuations. Market prices for securities of pharmaceutical, biotechnology and other life science companies have historically been particularly volatile. In addition, the market price of Carisma common stock will likely be volatile based on whether stockholders and other anticipated investors believe that Carisma can complete the OrthoCellix Merger or otherwise raise additional capital to support Carisma’s operations if the OrthoCellix Merger is not consummated and another strategic transaction cannot be identified, negotiated and consummated in a timely manner, if at all. The volatility of the market price of Carisma common stock is exacerbated by low trading volume. Additional factors that may cause the market price of Carisma common stock to fluctuate include:
the entry into, or termination of, key agreements, including commercial partner agreements;
announcements by commercial partners or competitors of new commercial products, clinical progress or lack thereof, significant contracts, commercial relationships or capital commitments;
the loss of key employees;
future sales of its common stock; general and industry-specific economic conditions that may affect its research and development expenditures;
the failure to meet industry analyst expectations; and
period-to-period fluctuations in financial results.

Moreover, the stock markets in general have experienced substantial volatility that has often been unrelated to the operating performance of individual companies. These broad market fluctuations may also adversely affect the trading price of Carisma common stock. In the past, following periods of volatility in the market price of a company’s securities, stockholders have often instituted class action securities litigation against such companies.

Carisma’s stockholders will generally have a reduced ownership and voting interest in, and will exercise less influence over the management of, the Combined Company following the completion of the OrthoCellix Merger as compared to their current ownership and voting interests in the respective companies.

After the completion of the OrthoCellix Merger, the current stockholders of Carisma will generally own a smaller percentage of the Combined Company than their current ownership of their respective companies prior to the OrthoCellix Merger. Immediately after the OrthoCellix Merger and the anticipated Concurrent Investment, Carisma securityholders as of immediately prior to the OrthoCellix Merger are expected to own approximately 10.0% of the outstanding shares of the Combined Company on a fully-diluted basis, and the sole stockholder of OrthoCellix along with other anticipated investors in the anticipated Concurrent Investment are expected to own approximately 90.0% of the outstanding shares of the Combined Company on a fully-diluted basis, subject to certain assumptions, including, but not limited to, Carisma’s Net Cash as of the closing of the OrthoCellix Merger being approximately $0 and an anticipated Concurrent Investment Amount of $25.0 million. After the closing of the OrthoCellix Merger, OrthoCellix will be a “controlled company” within the meaning of the rules of Nasdaq.

During the pendency of the OrthoCellix Merger, Carisma and OrthoCellix may not be able to enter into a business combination with another party on more favorable terms because of restrictions in the Merger Agreement, which could adversely affect their respective business prospects.

Covenants in the Merger Agreement impede the ability of Carisma and OrthoCellix to make acquisitions during the pendency of the OrthoCellix Merger, subject to specified exceptions. As a result, if the OrthoCellix Merger is not completed, the parties may be at a disadvantage to their competitors during that period. In addition, while the Merger Agreement is in effect, each party is generally prohibited from soliciting, initiating or knowingly encouraging, inducing or facilitating the communication, making, submission or announcement of any acquisition proposal or acquisition inquiry or taking any action that could reasonably be expected to lead to certain transactions involving a third party, including a merger, sale of assets or other business combination, subject to specified exceptions. Any such transactions could be favorable to such party’s stockholders, but the parties may be unable to pursue them.
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Certain provisions of the Merger Agreement may discourage third parties from submitting competing proposals, including proposals that may be superior to the transactions contemplated by the Merger Agreement.

The terms of the Merger Agreement prohibit each of Carisma and OrthoCellix from soliciting competing proposals or cooperating with persons making unsolicited takeover proposals, except in limited circumstances. In addition, if Carisma terminates the Merger Agreement under specified circumstances, Carisma could be required to pay OrthoCellix a termination fee of $500,000, or OrthoCellix could be required to pay Carisma a termination fee of $750,000. In certain circumstances, OrthoCellix may also be required to pay a reimbursement of up to $500,000 for Carisma’s reasonable out-of-pocket expenses incurred in connection with the Merger Agreement and the transactions contemplated thereby. This termination fee may discourage third parties from submitting competing proposals to Carisma, OrthoCellix or their respective stockholders, and may cause the Carisma or OrthoCellix board of directors to be less inclined to recommend a competing proposal.

Because the lack of a public market for OrthoCellix’s capital stock makes it difficult to evaluate the fair market value of OrthoCellix’s capital stock, the value of the Carisma common stock to be issued to OrthoCellix’s sole stockholder may be more or less than the fair market value of OrthoCellix’s capital stock.

The outstanding capital stock of OrthoCellix is privately held and is not traded in any public market. The lack of a public market makes it difficult to determine the fair market value of OrthoCellix’s capital stock. Because the percentage of Carisma equity to be issued to OrthoCellix’s sole stockholder was determined based on negotiations between the parties, it is possible that the value of the Carisma common stock to be issued to OrthoCellix’s sole stockholder will be more or less than the fair market value of OrthoCellix’s capital stock.

Lawsuits may be filed against Carisma or any of the members of our boards of directors arising out of the OrthoCellix Merger, which may delay or prevent the closing of the OrthoCellix Merger.

Putative stockholder complaints, including stockholder class action complaints, and other complaints may be filed against Carisma, the Carisma board of directors and others in connection with the transactions contemplated by the Merger Agreement. The outcome of litigation is uncertain, and Carisma may not be successful in defending against any such future claims. Lawsuits that may be filed against Carisma and the Carisma board of directors could delay or prevent the OrthoCellix Merger, divert the attention of Carisma’s management and employees from their day-to-day business and otherwise adversely affect Carisma financially. In the past, litigation, including securities class action litigation, has often followed certain significant business transactions, such as the sale of a company or announcement of any other strategic transaction, or the announcement of negative events, such as negative regulatory decisions or a determination to wind down operations. These events may also result in investigations by the U.S. Securities and Exchange Commission. Carisma may be exposed to such litigation or investigation even if no wrongdoing occurred.

Risks Related to Our Evaluation of the OrthoCellix Merger and Strategic Alternatives

We may not be successful in consummating the OrthoCellix Merger or identifying and consummating any other strategic alternatives.

As part of our cash preservation plan approved by our board of directors on March 25, 2025 to preserve our existing cash resources following reduction in workforce, we reduced our operations to those necessary to identify and explore a range of strategic alternatives to maximize value and prepare to wind down our business. After a comprehensive review of strategic alternatives, on June 22, 2025, we entered into the Merger Agreement for the proposed OrthoCellix Merger. If the OrthoCellix Merger is completed, the business of OrthoCellix will continue as the business of the Combined Company. Prior to the completion of the OrthoCellix Merger, we will seek to enter into a series of transactions with certain third parties to monetize certain legacy assets, in accordance with the limitations and requirements set forth in the Merger Agreement.

Carisma’s future operations are highly dependent on the success of the OrthoCellix Merger. Although we intend to consummate the OrthoCellix Merger, there is no assurance that we will be able to successfully consummate the OrthoCellix Merger on a timely basis, or at all, and there can be no assurance that the OrthoCellix Merger will enhance
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stockholder value or deliver anticipated benefits. The process of completing the OrthoCellix Merger is costly, time-consuming and complex, and the consummation of the OrthoCellix Merger is subject to certain closing conditions, including, among other things, approval by Carisma’s stockholders of certain of the voting proposals contained in the proxy statement/prospectus. We cannot predict with certainty whether or when any of the required closing conditions will be satisfied or if another uncertainty may arise and cannot assure you that the proposed OrthoCellix Merger will be successfully consummated. We believe that our current cash and cash equivalents are sufficient to sustain our operating expenses and capital expenditure requirements into the fall of 2025, and as such, we only have a short period of time to consummate the OrthoCellix Merger or other strategic alternative before we deplete our resources. We also may not be successful in pursuing and consummating any asset monetization transactions.

Further, we are not currently in compliance with the listing criteria for the Nasdaq Capital Market, which may impact our ability to consummate the OrthoCellix Merger. The Nasdaq Hearings Panel (the “Panel”) has granted us an exception to, and an extension of time to comply with, the Nasdaq listing standards. The extension of time is subject to our demonstrating compliance with Nasdaq Listing Rule 5550(a)(2) by evidencing a closing bid price of $1.00 or more per share for a minimum of 10 consecutive trading sessions, completing a strategic transaction and otherwise demonstrating compliance with all initial listing requirements for the Nasdaq Capital Market, in each case on or before October 7, 2025 (the “Nasdaq Compliance Date”). The Panel does not have discretion to grant continued listing for noncompliance with Nasdaq listing standards beyond the Nasdaq Compliance Date. There can be no assurance that we will be able to satisfy the requirements or conditions for continued listing within the period of time granted by the Panel. Further, consummation of the OrthoCellix Merger is subject to certain closing conditions, including, among other things, Nasdaq’s approval of the listing of the shares of our common stock to be issued in connection with the OrthoCellix Merger. There can be no assurance that we will be able to satisfy the initial listing requirements for the Combined Company in connection with the OrthoCellix Merger.

If the OrthoCellix Merger is not completed, this may cause reputational harm with stockholders and the value of our securities may be adversely impacted. In addition, speculation regarding the completion of the OrthoCellix Merger and perceived uncertainties related to our future could cause our stock price to fluctuate significantly.

If, for any reason, the OrthoCellix Merger does not close, our board of directors may elect to, among other things, attempt to identify and complete another strategic transaction like the OrthoCellix Merger, attempt to sell or otherwise dispose of our remaining assets or dissolve and liquidate our assets. Any of these alternatives would be costly and time-consuming, and we might not have enough time or resources remaining to identify, evaluate and complete another strategic transaction before the Nasdaq Compliance Date. Further, we may face substantial competition for attractive counterparties for any proposed strategic transactions. For example, there may be many other biotechnology and pharmaceutical companies that halt development of their programs and instead choose to pursue strategic transactions like the ones we have been exploring in connection with our strategic review process. These companies may possess greater financial and managerial resources than we do, and they may have more attractive product candidates, intellectual property or other assets. As a result, these other companies may prove to be more attractive than us to counterparties pursuing strategic transactions.

If we neither successfully consummate the OrthoCellix Merger nor identify another strategic alternative or, if such other strategic alternative is identified, consummate such a transaction, it is highly unlikely that there will be cash available for distribution to our stockholders.

Although we believe that our current cash and cash equivalents are sufficient to sustain our operating expenses and capital expenditure requirements into the fall of 2025, we do not expect that our cash and cash equivalents will support our operations for more than one year following the date of our consolidated financial statements included in this proxy statement/prospectus. Our available cash resources continue to decrease as we incur fees and expenses in connection with the consummation of the OrthoCellix Merger. If the Merger Agreement is terminated under certain circumstances, we may be required to pay OrthoCellix a termination fee of $500,000. Even if a termination fee is not payable in connection with a termination of the Merger Agreement, we will have incurred significant fees and expenses, which must be paid whether or not the OrthoCellix Merger is completed.

If, for any reason, the OrthoCellix Merger does not close, our board of directors may elect to, among other things, attempt to identify and complete another strategic transaction like the OrthoCellix Merger, attempt to sell or otherwise dispose of our remaining assets or dissolve and liquidate our assets. Any of these alternatives would be costly and time-consuming and our cash resources would continue to decrease as we evaluate other strategic alternatives and prepare for the potential
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wind down, liquidation or dissolution of our operations. If the OrthoCellix Merger does not close, we might not have enough time or resources remaining to identify, evaluate and complete another strategic transaction before the Nasdaq Compliance Date.

There can be no assurance that the OrthoCellix Merger will result in a successfully consummated transaction, and if we do not successfully identify another strategic alternative, or such other strategic alternative is not consummated, it is highly unlikely that there will be cash available for distribution to our stockholders. Accordingly, holders of our common stock and other securities would lose all of their investment in the company.

If the OrthoCellix Merger is not consummated and we do consummate another strategic alternative, the amount of cash available for distribution to our stockholders, if any, will depend heavily on the proceeds derived from the other strategic transaction, the timing of any distribution to stockholders, whether as a dividend or through a liquidation and dissolution of our business, as well as the amount of cash that will need to be reserved for commitments and contingent liabilities.

If the OrthoCellix Merger is not consummated and we do consummate another strategic alternative, the amount of cash available for distribution to our stockholders, if any, will depend heavily on the proceeds derived from the other strategic transaction, the timing of any distribution to stockholders, whether as a dividend or through a liquidation and dissolution of our business, as well as the amount of cash that will need to be reserved for commitments and contingent liabilities. Our available cash resources continue to decrease in connection with the consummation of the OrthoCellix Merger, and if not completed, as we prepare for the potential wind down, liquidation or dissolution activities. We cannot assure our stockholders of any recovery, or any specific level of recovery, on their claims and interests if we were to determine to pay a dividend or seek a liquidation or dissolution in connection with a strategic transaction. Our estimates of these amounts may be inaccurate. Accordingly, holders of our common stock and other securities could lose all or a significant portion of their investment in the company.

If we do not successfully consummate the OrthoCellix Merger, our board of directors may elect to commence bankruptcy or liquidation and dissolution proceedings, and such proceedings may delay our potential wind down timeframe, increase our costs, and decrease the cash, if any, that may be available for stockholders.

If the OrthoCellix Merger is not completed, our board of directors may decide that it is in the best interests of our stockholders to commence bankruptcy or liquidation and dissolution proceedings. In that event, the amount of cash available for distribution to our stockholders would depend heavily on the timing of such decision and, ultimately, such liquidation, since the amount of our cash resources continues to decrease as we continue our wind down activities and incur fees and expenses related to the OrthoCellix Merger. In addition, if our board of directors were to approve and recommend, and our stockholders were to approve, a dissolution of the company, we would be required under Delaware law to pay our outstanding obligations, as well as to make reasonable provision for contingent and unknown obligations, prior to making any distributions in liquidation to our stockholders. As a result of this requirement, a portion of our assets may need to be reserved pending the resolution of such obligations. In addition, we may be subject to litigation or other claims related to a liquidation and dissolution of the company. If a liquidation and dissolution were pursued, our board of directors, in consultation with its advisors, would need to evaluate these matters and make a determination about a reasonable amount to reserve. Accordingly, our stockholders could lose all or a significant portion of their investment in the event of a liquidation and dissolution of the company. Accordingly, holders of our common stock could lose all or a significant portion of their investment in the event of a liquidation, dissolution or winding up of the company. A liquidation would be a lengthy and uncertain process with no assurance of any value ever being returned to our stockholders.

We may experience difficulties, delays or unexpected costs and not achieve anticipated benefits and savings from our cash preservation plan, and such plan may adversely affect our ability to consummate the OrthoCellix Merger or other strategic transaction that enhances stockholder value.

As part of our cash preservation plan, our board of directors determined to terminate all of our employees not deemed necessary to pursue strategic alternatives and execute an orderly wind down of our operations. We expect to incur approximately $3.8 million in expenses in connection with the reduction in workforce, which primarily represents one-time employee termination benefits directly associated with the workforce reduction. We also expect to pay the majority of
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related reduction in workforce amounts by the end of this year. We may also incur other charges or cash expenditures not currently contemplated due to events that may occur as a result of, or associated with, this reduction in workforce.

While we have retained employees we deemed necessary to pursue strategic alternatives, including consummating the OrthoCellix Merger, and prepare for a potential wind down, liquidation or dissolution of our operations, the reduction in workforce resulted in the loss of a number of long-term employees, the loss of institutional knowledge and expertise, and the reallocation of certain job responsibilities, all of which could negatively affect operational efficiencies and increase our operating expenses such that we may not fully realize anticipated savings from a potential wind down and complete the OrthoCellix Merger on terms that are favorable to us, or at all.

We will be substantially dependent on our remaining employees and consultants, along with any other advisors and consultants we may engage, to facilitate the consummation of the OrthoCellix Merger or other strategic alternative.

In connection with our cash preservation plan, we have terminated all but two of our employees as of June 30, 2025. Our ability to successfully consummate the OrthoCellix Merger or identify and consummate any other strategic alternative depends in large part on our ability to retain our remaining employees and consultants along with any other advisors and consultants we may engage. One or more may terminate their engagement with us on short notice. It is also possible that we will determine to undertake future reductions in workforce. The loss of the services of any of these individuals could potentially harm our ability to consummate the OrthoCellix Merger, identify, evaluate and pursue other strategic alternatives as well as engage in potential wind down activities or fulfill our continuing reporting obligations as a public company.

Even if we are successful in completing the OrthoCellix Merger, we may be exposed to other operational and financial risks.

Although there can be no assurance that the OrthoCellix Merger will be completed, the negotiation and consummation of the OrthoCellix Merger will require significant time on the part of our management. The negotiation and consummation of the OrthoCellix Merger may also require more time or greater cash resources than we anticipate and may expose us to other operational and financial risks, including increased near-term and long-term expenditures; exposure to unknown liabilities; higher than expected acquisition or integration costs; incurrence of substantial debt or dilutive issuances of equity securities to fund future operations; write-downs of assets or goodwill or incurrence of non-recurring, impairment or other charges; increased amortization expenses; and possibility of future litigation. Any of the foregoing risks could have a material adverse effect on our business, financial condition and prospects.

Risks Related to Our Financial Position and Need for Additional Capital

If the Merger is not completed, any future resumption of our historical research and development activities would significantly depend on completing a strategic transaction that would support our prior operating plans or otherwise obtaining significant additional funding. Significant additional financing may not be available to us on acceptable terms, or at all.

If the Merger is not completed, any future resumption of our historical research and development activities would significantly depend on completing a strategic transaction that would support our prior operating plans or otherwise obtaining significant additional funding. We expect that it would be difficult to secure such additional significant financing in a timely manner, on favorable terms or at all. We would only have a short period of time to consummate another strategic alternative before we deplete our cash resources. Any future resumption of our historical activities would also depend on the terms of any transactions we may enter with certain third parties to monetize certain of our legacy assets. We may not be successful in pursuing and consummating any asset monetization transactions.

To the extent that we are able to raise additional capital through the public or private sale of equity or convertible debt securities, your ownership interest will be diluted, and the terms of those securities may include liquidation or other preferences that adversely affect your rights as a holder of our common stock. Debt financing and preferred equity financing, if available, would increase our fixed payment obligations and may involve agreements that include covenants limiting or restricting our operations and ability to take specific actions, such as incurring additional debt, making acquisitions, engaging in acquisition, merger or collaboration transactions, selling or licensing our assets, making capital expenditures, redeeming our stock, making certain investments, declaring dividends or other operating restrictions that could adversely impact our ability to conduct business.
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Changes in tax laws or in their implementation or interpretation could adversely affect our business and financial condition.

Income, sales, use or other tax laws, statutes, rules, or regulations could be enacted or amended at any time, which could affect our business or financial condition, including causing potentially adverse impacts to our effective tax rate, tax liabilities, and cash tax obligations. For example, the Inflation Reduction Act, or IRA, was signed into law in August 2022, and the One Big Beautiful Bill Act, or OBBBA, was signed into law in July 2025. The IRA introduced new tax provisions, including a one percent excise tax imposed on certain stock repurchases by publicly traded companies. The one percent excise tax generally applies to any acquisition of stock by the publicly traded company (or certain of its affiliates) from a stockholder of the company in exchange for money or other property (other than stock of the company itself), subject to a de minimis exception. Thus, the excise tax could apply to certain transactions that are not traditional stock repurchases. The OBBBA contains numerous tax provisions that we are currently in the process of evaluating, and which may significantly affect our business or financial condition. The recent changes under the OBBBA include tax rate extensions and changes to the business interest deduction limitation, the expensing of domestic research and development expenditures (in contrast to the continued capitalization and amortization of foreign research and development expenditures), the bonus depreciation deduction rules, and the international tax framework. Regulatory guidance under the IRA, the OBBBA, and other tax-related legislation is and continues to be forthcoming, and such guidance could ultimately increase or lessen the impact of these laws on our business and financial condition. In addition, it is uncertain if and to what extent various states will conform to changes to federal tax legislation.

Risks Related to the Ownership of Our Common Stock

The market price of our common stock is volatile, and the market price of our common stock may drop in the future.

The market price of our common stock has been and could be subject to significant fluctuations. Some of the factors that may cause the market price of our common stock to fluctuate include:
our ability to successfully consummate the OrthoCellix Merger; our ability to successfully implement our cash preservation plan;
our determination to pause research and development activities;
failure to conduct an orderly wind down of our operations;
if we were to resume our historical research and development activities, results of clinical trials and pre-clinical studies of our product candidates, or those of our collaborators;
results of clinical trials and pre-clinical studies of our competitors;
failure to meet or exceed financial and development projections we may provide to the public; failure to meet or exceed the financial and development projections of the investment community;
announcements of significant acquisitions, strategic collaborations, joint ventures or capital commitments by our competitors; actions taken by regulatory agencies with respect to our product candidates, clinical studies, manufacturing process or sales and marketing terms;
disputes or other developments relating to proprietary rights, including patents, litigation matters, and our ability to obtain patent protection for our technologies;
additions or departures of qualified scientific and management personnel; significant lawsuits, including patent or stockholder litigation;
if securities or industry analysts do not publish research or reports about our business, or if they issue adverse or misleading opinions regarding our business and stock;
changes in the market valuations of similar companies; general market or macroeconomic conditions or market conditions in the biopharmaceutical sector;
sales of securities by us or our stockholders in the future;
if we fail to raise an adequate amount of capital to fund our operations and continued development of our product candidates;
trading volume of our common stock;
announcements with respect to compliance with the Nasdaq listing requirements;
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announcements by competitors of new commercial products, clinical progress or lack thereof, significant contracts, commercial relationships or capital commitments;
adverse publicity relating to product candidates, including with respect to other products in such markets;
the introduction of technological innovations or new therapies that compete with our products and services; and
period-to-period fluctuations in our financial results.

The price of our shares of common stock may experience increased volatility as we provide updates regarding our cash preservation plan, the OrthoCellix Merger and the wind down of our historical operations. For additional discussion of the risks related to our evaluation of strategic alternatives and the wind down of our operations, see “Risk Factors - Risks Related to Our Evaluation of the OrthoCellix Merger and Strategic Alternatives.”

Moreover, the stock markets in general have experienced substantial volatility that has often been unrelated to the operating performance of individual companies. These broad market fluctuations may also adversely affect the trading price of our common stock. In addition, a recession, depression or other sustained adverse market event could materially and adversely affect our business and the value of our common stock. In the past, following periods of volatility in the market price of a company’s securities, stockholders have often instituted class action securities litigation against such companies. Furthermore, market volatility may lead to increased stockholder activism if we experience a market valuation that activists believe is not reflective of its intrinsic value. Activist campaigns that contest or conflict with our strategic direction or seek changes in the composition of our board of directors could have an adverse effect on our operating results and financial condition.

We do not currently meet the requirements for continued listing on the Nasdaq Capital Market. If we fail to meet the requirements for continued listing on the Nasdaq Capital Market, trading in our common stock could be suspended and our common stock delisted from Nasdaq, which would have a negative effect on the price of our common stock and our ability to raise additional capital.

Our common stock is currently listed on the Nasdaq Capital Market. We are currently not in compliance with the Nasdaq Capital Market listing standards.

On October 10, 2024, we received written notice from the Nasdaq Listing Qualifications Department, indicating that we no longer satisfied Nasdaq Listing Rule 5450(b)(2)(A), which required us to maintain a minimum market value of listed securities of $50.0 million (the “MVLS Rule”) for continued listing on the Nasdaq Global Market. In accordance with the Nasdaq Listing Rule 5810(c)(3) (the “Grace Period Rule”) Nasdaq granted us 180 calendar days, or until April 8, 2025, to regain compliance with the MVLS Rule. We did not regain compliance with the MVLS Rule by April 8, 2025, and accordingly, on April 10, 2025, Nasdaq notified us that our securities were subject to delisting from Nasdaq unless we timely requested a hearing before the Panel.

Also, on April 10, 2025, Nasdaq notified us that we no longer satisfied Nasdaq Listing Rule 5450(b)(2)(C), which required us to maintain a minimum market value of publicly held shares of $15.0 million (the “MVPHS Rule”) for continued listing on the Nasdaq Global Market. In accordance with the Grace Period Rule, Nasdaq provided us 180 calendar days, or until October 7, 2025, to regain compliance with the MVPHS Rule. Additionally, on January 6, 2025, Nasdaq notified us that we no longer satisfied Nasdaq Listing Rule 5450(a)(1), which required us to maintain a minimum bid price of $1.00 per share (the “Bid Price Rule”) for continued listing on the Nasdaq Global Market. In accordance with the Grace Period Rule, Nasdaq provided us 180 calendar days, or until July 7, 2025, to regain compliance with the Bid Price Rule.

Following a timely request for a hearing, we presented to the Panel our plan to achieve compliance with applicable Nasdaq listing criteria and requested an extension of time to do so. As previously disclosed, on June 10, 2025, Nasdaq notified us that the Panel determined to grant our request for an exception to, and an extension of time to comply with, Nasdaq listing standards. As part of this determination, the Panel directed that our listing be transferred to the Nasdaq Capital Market, effective as of the open of business on June 12, 2025, and specified additional conditions for our listing on the Nasdaq Capital Market. The extension of time is subject to us demonstrating compliance with Nasdaq Listing Rule 5550(a)(2) by evidencing a closing bid price of $1.00 or more per share for a minimum of 10 consecutive trading sessions (the “Capital Market Minimum Bid Price Rule”) completing a strategic transaction and otherwise demonstrating compliance with all initial listing requirements for the Nasdaq Capital Market, in each case on or before the Nasdaq Compliance Date. The extension of time is further subject to us meeting an interim milestone for a strategic transaction in connection with our ongoing strategic process. The Panel has the right to reconsider its determination based on any event, condition or
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circumstance that exists or develops that would, in the opinion of the Panel, make continued listing of our securities inadvisable or unwarranted. The Panel does not have discretion to grant continued listing for noncompliance with Nasdaq listing standards beyond the Nasdaq Compliance Date.

We held a special meeting of our stockholders on August 5, 2025, at which our stockholders approved an amendment to our certificate of incorporation to effect a reverse stock split of our common stock, at a ratio of not less than 1-for-10 and not greater than 1-for-50, with the ratio within such range to be determined at the discretion of our board of directors, without further approval or authorization of our stockholders. One of the purposes of the contemplated reverse stock split is to increase the per-share market price of our common stock so as to demonstrate compliance with the Capital Market Minimum Bid Price Rule and help us avoid delisting of our common stock from Nasdaq, subject to compliance with other continued listing rules. Another purpose of the contemplated reverse stock split is to help us meet the minimum closing price requirement for filing an initial listing application in connection with the closing of the OrthoCellix Merger. It cannot be assured, however, that the contemplated reverse stock split will accomplish these objectives at all or for any meaningful period of time.

We cannot assure you that we will not be delisted from Nasdaq. The delisting of our common stock from Nasdaq could materially reduce the liquidity of our common stock and result in a corresponding material reduction in the price of our common stock. In addition, delisting could harm our ability to raise capital through alternative financing sources on terms acceptable to us, or at all, and would also make it more difficult for our stockholders to sell or purchase our common stock when they wish to do so. If delisted, we will likely trade on the OTC Markets system, which could make it more difficult to dispose of, or obtain accurate quotations for the price of, our common stock, and may lead to a reduction in coverage by securities analysts and the news media, which could cause the price of our common stock to decline further.

The contemplated reverse stock split may not increase our stock price over the long-term.

One of the purposes of the contemplated reverse stock split is to increase the per-share market price of our common stock so as to demonstrate compliance with the Capital Market Minimum Bid Price Rule and help us avoid delisting of our common stock from Nasdaq, subject to compliance with other continued listing rules. Another purpose of the contemplated reverse stock split is to help us meet the minimum closing price requirement for filing an initial listing application in connection with the closing of the OrthoCellix Merger. It cannot be assured, however, that the contemplated reverse stock split will accomplish these objectives at all or for any meaningful period of time.

While it is expected that the reduction in the number of outstanding shares of our common stock will proportionally increase the per-share market price of our common stock, it cannot be assured that the contemplated reverse stock split will increase the per-share market price of our common stock by a multiple of the contemplated reverse stock split ratio, or result in any permanent or sustained increase in the per-share market price of our common stock, which is dependent upon many factors, including business and financial performance, general economic, market and industry conditions and prospects for future success.

The contemplated reverse stock split may decrease the liquidity of our common stock.

The liquidity of our common stock may be negatively impacted by the contemplated reverse stock split, given the reduced number of shares that would be outstanding after the reverse stock split, particularly if the per-share market price does not increase as a result of the reverse stock split. For instance, if the reverse stock split is implemented, it may result in some stockholders owning “odd lots” (less than 100 shares) of common stock. Odd lot shares may be more difficult to sell, and brokerage commissions and other costs of transactions in odd lots may be higher than the costs of transactions in “round lots” of even multiples of 100 shares. If we effect the reverse stock split, the resulting per-share price may nevertheless fail to attract institutional investors and may not satisfy the investing guidelines of such investors and, consequently, the trading liquidity of our common stock may not improve. Accordingly, the reverse stock split may not increase marketability of our common stock.

43


Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.
Recent Sales of Unregistered Securities
During the period covered by this Quarterly Report on Form 10-Q, we did not issue any unregistered equity securities.
Purchase of Equity Securities
We did not purchase any of our registered equity securities during the period covered by this Quarterly Report on Form 10-Q.

Item 5. Other Information.

Director and Officer Trading Arrangements

None of our directors or officers adopted or terminated a Rule 10b5-1 trading arrangement or a non-Rule 10b5-1 trading arrangement (as such terms are defined in Items 408(a) and 408(c) of Regulation S-K, respectively) during the quarterly period covered by this report.


44


Item 6. Exhibits.
Exhibit
Number
 Description
2.1†
Agreement and Plan of Merger, dated as of June 22, 2025, by and among Carisma Therapeutics Inc., OrthoCellix, Inc., Azalea Merger Sub, Inc. and Ocugen, Inc. (incorporated by reference to Exhibit 2.1 to the registrant’s Current Report on Form 8-K (File No. 001-36296) filed on June 23, 2025).
3.1
Restated Certificate of Incorporation of Carisma Therapeutics Inc., dated March 7, 2023, as amended (incorporated by reference to Exhibit 3.1 to the registrant’s Annual Report on Form 10-K/A (File No. 001-36296) filed on April 29, 2025).
3.2
Amended and Restated By-Laws of Carisma Therapeutics Inc., dated March 7, 2023 (incorporated by reference to Exhibit 3.2 to the registrant’s Current Report on Form 8-K (File No. 001-36296) filed on March 8, 2023).
10.1
Form of Carisma Support Agreement, by and among Carisma Therapeutics Inc., OrthoCellix, Inc. and certain stockholders of Carisma Therapeutics Inc. (incorporated by reference to Exhibit 10.2 to the registrant’s Current Report on Form 8-K (File No. 001-36296) filed on June 23, 2025).
10.2
Form of OrthoCellix Support Agreement, by and among Carisma Therapeutics Inc., OrthoCellix, Inc. and certain stockholders of OrthoCellix, Inc. (incorporated by reference to Exhibit 10.3 to the registrant’s Current Report on Form 8-K (File No. 001-36296) filed on June 23, 2025).
10.3
Form of Lock-Up Agreement, by and among Carisma Therapeutics Inc., OrthoCellix, Inc. and certain stockholders of Carisma Therapeutics Inc. (incorporated by reference to Exhibit 10.4 to the registrant’s Current Report on Form 8-K (File No. 001-36296) filed on June 23, 2025).
10.4
Form of Contingent Value Rights Agreement (incorporated by reference to Exhibit 10.1 to the registrant’s Current Report on Form 8-K (File No. 001-36296) filed on June 23, 2025).
31.1*
Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2*
Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1+
Certifications of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2+
Certifications of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101
The following financial information from Carisma Therapeutics Inc.'s Quarterly Report on Form 10-Q for the quarter ended June 30, 2025 formatted in Inline XBRL (Extensible Business Reporting Language) includes: (i) the Consolidated Balance Sheets, (ii) the Consolidated Statements of Operations and Comprehensive Loss, (iii) the Consolidated Statements of Stockholders' Equity (Deficit), (v) the Consolidated Statements of Cash Flows, and (vi) Notes to the Interim Consolidated Financial Statements.
104Cover page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)
_________________________________________
*    Filed herewith.
+    Furnished herewith.
† Exhibits and/or schedules have been omitted pursuant to Item 601(a)(5) of Regulation S-K. The registrant hereby undertakes to furnish supplementally copies of any of the omitted exhibits and schedules upon request by the SEC; provided, however, that the registrant may request confidential treatment pursuant to Rule 24b-2 under the Exchange Act for any exhibits or schedules so furnished.


45


SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
CARISMA THERAPEUTICS INC.
Date: August 7, 2025
By:/s/ Steven Kelly
Steven Kelly
President, Chief Executive Officer and Director
(Principal Executive Officer)
Date: August 7, 2025
By:/s/ Natalie McAndrew
Natalie McAndrew
Vice President of Finance
(Principal Financial Officer and Principal Accounting Officer)
46
Carisma Therapeutics Inc

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Biotechnology
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