Kerry M. Clem - 29 Sep 2026 Form 3 Insider Report for OS Therapies Inc (OSTX)

Reporting relationship: Chief Commercial Officer
Issuer ticker: OSTX
Reported as of: 29 Sep 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 05 Oct 2026, 16:49:48 UTC
Prior SEC filing: 04 Apr 2023
Source filing: View source filing
Reporting owner signature: /s/ Kerry M. Clem

Filing notes and source

Key filing fact

Kerry M. Clem filed Form 3 for OS Therapies Inc (OSTX) on 05 Oct 2026.

Key facts

This page summarizes Kerry M. Clem's Form 3 filing for OS Therapies Inc (OSTX).
0 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 05 Oct 2026, 16:49.

Change

Previous filing in this sequence was filed on 04 Apr 2023.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001883938 Primary reporting owner

Clem Kerry M

Relationship: Chief Commercial Officer
Address: C/O OS THERAPIES INCORPORATED, 115 PULLMAN CROSSING ROAD, SUITE 103, GRASONVILLE
Signature: /s/ Kerry M. Clem
Signature date: 05 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

OSTX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 25,000
Date: 29 Sep 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

OSTX holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 29 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 30,000
Exercise price: $1.80
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

On October 21, 2025, the reporting person was granted options to purchase 30,000 shares of the issuer's common stock pursuant to the terms and conditions of a stock option award agreement. These options vested in full on April 21, 2026.

SEC remarks

Exhibit 24: Power of Attorney