[8-K] Instil Bio, Inc. Reports Material Event

Rhea-AI Filing Summary

Instil Bio reported its fourth quarter and full year 2025 results while outlining a strategic shift toward acquiring or in‑licensing new therapeutic candidates. In January 2026, its subsidiary Axion Bio discontinued clinical development of AXN-2510 and terminated a related license and collaboration agreement.

Cash, cash equivalents, restricted cash and marketable securities totaled $76.3 million as of December 31, 2025, down from $115.1 million a year earlier, and are expected to fund the current operating plan beyond 2027. For 2025, research and development expenses were $24.7 million, general and administrative expenses were $27.2 million, and restructuring and impairment charges were $16.6 million.

Instil reported a 2025 net loss of $71.4 million, or $10.70 per share, compared with a net loss of $74.1 million, or $11.39 per share, in 2024. On a non‑GAAP basis, excluding stock‑based compensation and restructuring and impairment charges, 2025 net loss was $46.1 million or $6.91 per share, an improvement from $49.4 million or $7.59 per share in 2024.

Insights

Biotech equity analyst

Instil tightens spending, preserves cash runway, and pivots to external deal-making.

Instil Bio is repositioning its business by discontinuing AXN-2510 and ending a related collaboration while actively evaluating acquisitions and in‑licensing opportunities across multiple therapeutic areas. This marks a move from internal pipeline development toward an external innovation strategy.

Financially, total operating expenses were $78.6M in 2025, with research and development at $24.7M and general and administrative at $27.2M. Restructuring and impairment charges of $16.6M highlight prior cost-cutting and portfolio realignment efforts.

Cash, cash equivalents, restricted cash and marketable securities of $76.3M as of December 31, 2025 are expected to fund the current operating plan beyond 2027, giving time to execute the new strategy. Non‑GAAP net loss improved to $46.1M, suggesting some progress on underlying cost control while the company searches for new assets.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

FALSE000178976900017897692026-03-272026-03-27

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): March 27, 2026

Instil Bio, Inc.

(Exact name of registrant as specified in its Charter)

 

Delaware			001-40215			83-2072195
(State or Other Jurisdiction of Incorporation)			(Commission File Number)			(IRS Employer Identification No.)

 

3963 Maple Avenue, Suite 350 Dallas, Texas						75219
(Address of Principal Executive Offices)						(Zip Code)

(972) 499-3350

(Registrant’s Telephone Number, Including Area Code)

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, $0.000001 par value

TIL

The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

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. ☐  

Item 2.02 Results of Operations and Financial Condition.

On March 27, 2026, Instil Bio, Inc. (the “Company”) issued a press release providing a corporate update and announcing its financial results for the fourth quarter and full year ended December 31, 2025, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference.

The information in this Item 2.02, including the attached Exhibit 99.1, is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

 

Exhibit No.						Description
99.1						Press release, dated March 27, 2026.
104						The cover page of this report has been formatted in Inline XBRL.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Instil Bio, Inc.

Dated: March 27, 2026

By:

/s/ Sandeep Laumas, M.D.

Sandeep Laumas, M.D.

Chief Financial Officer and Chief Business Officer (Principal Financial Officer and Principal Accounting Officer)

Instil Bio Reports Fourth Quarter and Full Year 2025 Financial Results and

Provides Corporate Update

Company evaluating potential acquisitions and in-licensing opportunities to drive next phase of strategic development

Cash position of $76.3 million as of December 31, 2025 expected to fund current operating plan beyond 2027

DALLAS, TX, March 27, 2026 (GLOBE NEWSWIRE) — Instil Bio, Inc. (“Instil”) (Nasdaq: TIL), Instil Bio, Inc. (“Instil”) (Nasdaq:TIL), a biotechnology company focused on identifying and advancing innovative therapeutics, today reported its fourth quarter and full year 2025 financial results and provided a corporate update.

Recent Highlights:

•In January 2026, Axion Bio, Inc., a wholly owned subsidiary of Instil, discontinued clinical development of AXN-2510 and entered into a termination agreement with ImmuneOnco Biopharmaceuticals (Shanghai) Inc. to terminate the license and collaboration agreement for AXN-2510 and AXN-27M.

•Following this decision, Instil will focus on its next phase of strategic development through external innovation and disciplined capital deployment.

•The company is pursuing potential acquisitions and in-licensing opportunities that could provide access to promising novel therapeutic candidates. Instil is evaluating opportunities across several therapeutic areas.

“We have been taking important steps to sharpen Instil’s strategic focus and position the company for its next phase of strategic development,” said Bronson Crouch, Chief Executive Officer, Instil. “We are focused on identifying high-quality opportunities that can position Instil for long-term value creation. Our priority is to leverage our balance sheet to pursue acquisitions and in-licensing opportunities that can drive meaningful shareholder value. We believe this disciplined approach to capital deployment can allow us to build a differentiated pipeline and advance innovative therapies for patients with serious diseases.”

There can be no assurance that any transaction will result from these efforts, nor as to the timing of any such outcome. Instil does not intend to provide further updates unless and until a specific transaction is approved or disclosure is otherwise deemed appropriate..

Fourth Quarter and Full Year 2025 Financial and Operating Results:

As of December 31, 2025, Instil had $76.3 million in total cash, cash equivalents, restricted cash and marketable securities, which consisted of $6.6 million in cash and cash equivalents, $0.2 million in restricted cash and $69.5 million in marketable securities, compared to $115.1 million in total cash, cash equivalents, restricted cash and marketable securities, which consisted of $8.8 million in cash and cash equivalents, $1.8 million in restricted cash, and $104.5 million in marketable securities, as of

December 31, 2024. Instil expects that its cash, cash equivalents, restricted cash and marketable securities as of December 31, 2025 will enable it to fund its current operating plan beyond 2027.

In-process research and development expenses were nil and $10.0 million for the fourth quarter and full year ended December 31, 2025, respectively, compared to nil and $10.0 million for the fourth quarter and full year ended December 31, 2024.

Research and development expenses were $3.5 million and $24.7 million for the fourth quarter and full year ended December 31, 2025, respectively, compared to $1.1 million and $11.8 million for the fourth quarter and full year ended December 31, 2024, respectively.

General and administrative expenses were $6.1 million and $27.2 million for the fourth quarter and full year ended December 31, 2025, respectively, compared to $10.4 million and $44.2 million for the fourth quarter and full year ended December 31, 2024, respectively.

Restructuring and impairment charges were nil and $16.6 million for the fourth quarter and full year ended December 31, 2025, respectively, compared to $0.3 million and $7.5 million for the fourth quarter and full year ended December 31, 2024, respectively.

Net loss per share, basic and diluted was $1.21 and $10.70 for the fourth quarter and full year ended December 31, 2025, respectively, compared to $1.82 and $11.39 for the fourth quarter and full year ended December 31, 2024, respectively. Non-GAAP net loss per share, basic and diluted was $0.97 and $6.91 for the fourth quarter and full year ended December 31, 2025, respectively, compared to $1.08 and $7.59 for the fourth quarter and full year ended December 31, 2024, respectively.

Note Regarding Use of Non-GAAP Financial Measures

In this press release, Instil has presented certain financial information that has not been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”). These non-GAAP financial measures include non-GAAP net loss and non-GAAP net loss per share, which are defined as net loss and net loss per share, respectively, excluding non-cash stock-based compensation expense and restructuring and impairment charges. Instil believes that these non-GAAP financial measures, when considered together with the GAAP figures, can enhance an overall understanding of Instil’s financial performance. The non-GAAP financial measures are included with the intent of providing investors with a more complete understanding of Instil’s operating results. In addition, these non-GAAP financial measures are among the indicators Instil’s management uses for planning purposes and to measure Instil’s performance. These non-GAAP financial measures should be considered in addition to, and not as a substitute for, or superior to, financial measures calculated in accordance with GAAP. The non-GAAP financial measures used by Instil may be calculated differently from, and therefore may not be comparable to, non-GAAP financial measures used by other companies. Please refer to the below reconciliation of these non-GAAP financial measures to the comparable GAAP financial measures.

About Instil Bio

Instil Bio, Inc. is a biotechnology company focused on identifying and advancing innovative therapeutic opportunities. For more information. For more information, visit www.instilbio.com.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Words such as “anticipates,” “believes,” “expects,” “exploring,” “future,” “intends,” “may,” “plans,” “potential,” “projects,” “targets,” “next phase” and “will” or similar expressions are intended to identify forward-looking statements. Forward-looking statements include express or implied statements concerning Instil's expectations regarding its next phase of strategic development and pursuing potential acquisition and in-licensing opportunities; Instil's expectations regarding its capital position, resources, and balance sheet, including its cash runway; and other statements that are not historical fact. Forward-looking statements are based on management's current expectations and are subject to various risks and uncertainties that could cause actual results to differ materially and adversely from those expressed or implied by such forward-looking statements, including risks and uncertainties related to the next phase of strategic development, pursuing potential transactions to acquire companies or in-license product candidates and the sufficiency of Instil's cash resources, as well as interest rates, inflation, tariffs, international conflicts and other factors which could materially and adversely affect Instil’s business and operations, and other risks and uncertainties affecting Instil's plans and strategy, including those discussed in the section titled “Risk Factors” in Instil's Annual Report on Form 10-K for the year ended December 31, 2025 to be filed with the SEC, as well as Instil's other filings with the SEC. These forward-looking statements do not constitute guarantees of future performance, and you are cautioned not to place undue reliance on these forward-looking statements. These forward-looking statements speak only as the date hereof, and Instil disclaims any obligation to update these statements except as may be required by law.

Contacts:

Investor Relations:

1-972-499-3350

investorrelations@instilbio.com

www.instilbio.com

Media Relations:

Kimberly Ha

KKH Advisors

917-291-5744

kimberly.ha@kkhadvisors.com

INSTIL BIO, INC.

SELECTED FINANCIAL DATA

(Unaudited; in thousands, except share and per share amounts)

Selected Consolidated Balance Sheet Data

			December 31, 2025						December 31, 2024
Cash, cash equivalents, restricted cash and marketable securities			$	76,295					$	115,145
Total assets			$	203,523					$	263,567
Total liabilities			$	89,657					$	94,131
Total stockholders’ equity			$	113,866					$	169,436

Consolidated Statements of Operations

			Three Months Ended December 31,												Year Ended December 31,
			2025						2024						2025						2024
Operating expenses:
In-process research and development			$	—					$	—					$	10,000					$	10,000
Research and development			3,497						1,099						24,738						11,838
General and administrative			6,060						10,373						27,221						44,210
Restructuring and impairment charges			—						348						16,622						7,493
Total operating expenses			9,557						11,820						78,581						73,541
Loss from operations			(9,557)						(11,820)						(78,581)						(73,541)
Interest income			746						1,352						3,858						6,987
Interest expense			(1,567)						(3,005)						(5,829)						(8,992)
Other rental income			2,242						2,774						8,968						4,267
Other expense, net			(55)						(1,196)						212						(2,856)
Net loss			$	(8,191)					$	(11,895)					$	(71,372)					$	(74,135)
Net loss per share, basic and diluted			$	(1.21)					$	(1.82)					$	(10.70)					$	(11.39)
Weighted-average shares used in computing net loss per share, basic and diluted			6,781,976						6,525,885						6,668,268						6,510,138

Reconciliation of GAAP to Non-GAAP Net Loss and Net Loss per Share

(Unaudited; in thousands, except share and per share amounts)

			Three Months Ended December 31,												Year Ended December 31,
			2025						2024						2025						2024
Net loss			$	(8,191)					$	(11,895)					$	(71,372)					$	(74,135)
Adjustments:
Non-cash stock-based compensation expense			1,606						4,501						8,693						17,257
Restructuring and impairment charges			—						348						16,622						7,493
Non-GAAP net loss			$	(6,585)					$	(7,046)					$	(46,057)					$	(49,385)
Net loss per share, basic and diluted			$	(1.21)					$	(1.82)					$	(10.70)					$	(11.39)
Adjustments:
Non-cash stock-based compensation expense per share			0.24						0.69						1.30						2.65
Restructuring and impairment charges			—						0.05						2.49						1.15
Non-GAAP net loss per share, basic and diluted*			$	(0.97)					$	(1.08)					$	(6.91)					$	(7.59)
Weighted-average shares outstanding, basic and diluted			6,781,976						6,525,885						6,668,268						6,510,138

______________________________________________________________

*    Non-GAAP net loss per share, basic and diluted may not total due to rounding.

###

Filing Exhibits & Attachments

4 documents

Press Releases

• EX-99.1 EX-99.1 83.6 KB

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT 1.7 KB
• EX-101 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT 22.0 KB
• EX-101 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT 12.7 KB