Larimar Therapeutics (NASDAQ: LRMR) shares preliminary $136.9M cash

Rhea-AI Filing Summary

Larimar Therapeutics, Inc. reported that it had approximately $136.9 million in cash, cash equivalents and marketable securities as of December 31, 2025. This figure was shared in an updated slide presentation posted on the company’s website and is described as unaudited, preliminary and prepared by management, meaning it could change once the company completes its quarter- and year-end financial closing processes.

The company notes that its independent auditor, PricewaterhouseCoopers LLP, has not audited, reviewed, compiled or performed procedures on this preliminary cash figure and provides no assurance on it. Larimar also posted an updated corporate presentation, attached as Exhibit 99.1, which its representatives may use in meetings with investors, analysts and other parties.

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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): January 12, 2026

Larimar Therapeutics, Inc.

(Exact name of Registrant as Specified in Its Charter)

Delaware			001-36510	20-3857670
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
Three Bala Plaza East
Bala Cynwyd, Pennsylvania				19004
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: (844) 511-9056

(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:

☐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, par value $0.001 per share		LRMR		Nasdaq Global Market

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 January 12, 2026, Larimar Therapeutics, Inc. (the “Company”) disclosed in an updated slide presentation, posted on its website, that, as of December 31, 2025, the Company had approximately $136.9 million of cash, cash equivalents and marketable securities. The Company has not yet completed its quarter-end or year-end financial close processes for the quarter and year ended December 31, 2025. This unaudited, preliminary amount has been prepared by and is the responsibility of management. This amount is based upon information available to management as of the date of this Current Report on Form 8-K and subject to completion of financial closing procedures that could result in changes to the amount. Furthermore, this amount does not present all information necessary for an understanding of the Company’s financial condition as of December 31, 2025. The Company’s independent registered public accounting firm, PricewaterhouseCoopers LLP, has not audited, reviewed, compiled or performed any procedures with respect to this preliminary financial data and, accordingly, PricewaterhouseCoopers LLP does not express an opinion or any other form of assurance with respect thereto. The Company’s actual results for the year ended December 31, 2025 will be included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025 and may differ materially from the above estimate.

The information furnished pursuant to this Item 2.02 is intended to be furnished and shall not be deemed “filed” for 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 under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 8.01 Other Events.

On January 12, 2026, the Company posted on its website an updated slide presentation, which is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. Representatives of the Company will use the presentation in various meetings with investors, analysts and other parties from time to time.

Item 9.01 Financial Statements and Exhibits.

Exhibit No.		Document
99.1		Larimar Therapeutics, Inc. Corporate Presentation, dated January 12, 2026*
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

* Filed herewith

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 hereunto duly authorized.

			Larimar Therapeutics, Inc.
Date:	January 12, 2026	By:	/s/ Carole S. Ben-Maimon, M.D.
		Name: Title:	Carole S. Ben-Maimon, M.D. President and Chief Executive Officer

FAQ

What preliminary cash balance did Larimar Therapeutics (LRMR) report as of December 31, 2025?

Larimar Therapeutics reported having approximately $136.9 million in cash, cash equivalents and marketable securities as of December 31, 2025, based on management’s preliminary estimate.

Is the $136.9 million cash figure for Larimar Therapeutics audited?

No. The approximately $136.9 million balance is unaudited, preliminary, prepared by management and subject to change after completion of the company’s financial closing procedures.

Has Larimar Therapeutics’ auditor reviewed the preliminary 2025 cash data?

The company states that PricewaterhouseCoopers LLP has not audited, reviewed, compiled or performed any procedures on this preliminary financial data and provides no opinion or assurance on it.

Where will Larimar Therapeutics’ final 2025 financial results be reported?

Larimar indicates that its actual results for the year ended December 31, 2025 will be included in its Annual Report on Form 10-K for that year.

What additional information did Larimar Therapeutics provide alongside the preliminary cash figure?

On January 12, 2026, Larimar posted an updated corporate slide presentation on its website, attached as Exhibit 99.1, which company representatives may use in meetings with investors, analysts and other parties.

Is the preliminary financial information in this Larimar 8-K considered filed with the SEC?

The company states that the information furnished under Item 2.02 is intended to be furnished and not deemed “filed” for purposes of Section 18 of the Exchange Act, unless specifically incorporated by reference elsewhere.