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): September 9, 2026

OS THERAPIES INCORPORATED

(Exact name of registrant as specified in its charter)

Delaware 001-42195 82-5118368
(State or other jurisdiction
of incorporation)
(Commission File Number) (IRS Employer
Identification No.)
115 Pullman Crossing Road, Suite 103
Grasonville, Maryland
21638
(Address of Principal Executive Offices) (Zip Code)

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):

☐ 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 OSTX NYSE American

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

September 9, 2026

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On September 9, 2026, the stockholders of OS Therapies Incorporated (the “Company”) approved and adopted the amendment and restatement of the Company’s 2023 Incentive Compensation Plan, as amended (the “Amended and Restated Plan”), at its 2026 annual meeting of stockholders (the “Annual Meeting”). A summary of the material terms of the Amended and Restated Plan is included under the heading “Proposal No. 2: The Amended and Restated Plan Proposal” in the definitive proxy statement filed by the Company in connection with the Annual Meeting with the Securities and Exchange Commission on July 24, 2026 (the “Proxy Statement”). The summary is qualified in its entirety by reference to the full text of the Amended and Restated Plan, a copy of which is filed herewith as Exhibit 10.1 and incorporated herein by reference.

Item 5.07. Submission of Matters to a Vote of Security Holders.

The Company held the Annual Meeting on September 9, 2026. At the Annual Meeting, the Company’s stockholders were asked to vote upon:

1.The election of six directors, each to serve until the Company’s 2027 annual meeting of stockholders and until their respective successors are duly elected and qualified. The nominees for election were Paul A. Romness, John Ciccio, Craig Eagle, Avril McKean Dieser, Olivier R. Jarry and Theodore F. Search;
2.The approval of the Amended and Restated Plan; and
3.The ratification of the appointment of MaloneBailey, LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026.

The results of the matters voted on at the Annual Meeting, based on the presence in person or by proxy of holders of record of 26,059,902 of the 46,205,601 shares of the Company’s common stock entitled to vote, were as follows:

1.The stockholders approved the election of each of the director nominees to serve until the 2027 annual meeting of stockholders and until their respective successors are duly elected and qualified, which required the affirmative vote of the majority of shares of stock present, in person or by proxy, and entitled to vote. The voting results were as follows:
For Withheld Broker
Non-Votes
Paul A. Romness 7,336,591 67,922 18,655,389
John Ciccio 7,110,791 293,722 18,655,389
Craig Eagle 7,336,860 67,653 18,655,389
Avril McKean Dieser 7,336,889 67,624 18,655,389
Olivier R. Jarry 7,336,925 67,588 18,655,389
Theodore F. Search 7,336,522 67,991 18,655,389
2.The stockholders approved the Amended and Restated Plan, which required the affirmative vote of the majority of shares of stock present, in person or by proxy, and entitled to vote. The voting results were as follows:
For Against Abstain Broker Non-Votes
4,515,930 885,667 2,002,913 18,655,392
3.The stockholders ratified the appointment of MaloneBailey, LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026, which required the affirmative vote of the majority of shares of stock present, in person or by proxy, and entitled to vote. The voting results were as follows:
For Against Abstain Broker Non-Votes
25,689,179 340,644 30,079 —

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit
Number
Description
10.1 OS Therapies Incorporated Amended and Restated 2023 Incentive Compensation Plan.
104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

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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.

OS THERAPIES INCORPORATED
Dated: September 9, 2026 By: /s/ Paul A. Romness, MPH
Name: Paul A. Romness, MPH
Title: President and Chief Executive Officer

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