UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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): February 10, 2026

OS THERAPIES INCORPORATED

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (410) 297-7793

N/A

(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 Instruction A.2. below):

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

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. ☐

CURRENT REPORT ON FORM 8-K

OS Therapies Incorporated

February 10, 2026

Item 8.01. Other Events.

As previously announced, on January 10, 2026, OS Therapies Incorporated (the “Company”) entered into inducement offer letter agreements with less than 10 accredited investors (the “Holders”) that hold certain existing warrants of the Company to purchase up to an aggregate of 5,382,148 shares of the Company’s common stock (the “Existing Warrants”), pursuant to which the Holders agreed to exercise for cash, or pre-fund for cash the exercise of, their Existing Warrants at a reduced exercise price of $1.40 per share (or $1.399 per share in the case of pre-funding) in consideration of the Company’s agreement to issue new common stock purchase warrants to purchase up to an aggregate of 5,382,148 shares of the Company’s common stock at an exercise price of $1.40 per share, subject to adjustment as provided therein.

On February 10, 2026, the Company, with the consent of the Company’s warrant solicitation agent, extended the offering period, which was originally scheduled to expire at 11:59 p.m., Eastern time, on February 10, 2026, to 11:59 p.m., Eastern time, on March 2, 2026.

SIGNATURE

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.