OSTX Form 4 reports acquisition/exercise transactions

Ciccio John reported acquisition or exercise transactions in a Form 4 filing for OSTX.

Rhea-AI Filing Summary

Ciccio John reported acquisition or exercise transactions in a Form 4 filing for OSTX. The filing lists transactions totaling 50,000 shares. Following the reported transactions, holdings were 50,000 shares.

Insider Trade Summary

Grant/Award: 50,000 shares

Grant/Award 3 txns

Insider Ciccio John

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock options (right to buy)	50,000	$0.00	$0.00
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Stock options (right to buy) — 50,000 contracts (Direct); Common Stock — 435,835 shares (Indirect, Mill River Partners LLC); Common Stock — 20,000 shares (Direct)

Footnotes (2)

1. F1. John Ciccio serves on the board of managers of Mill River Partners LLC and shares voting and investment power with respect to these shares.
2. F2. On January 22, 2026, the reporting person was granted options to purchase 50,000 shares of the issuer's common stock pursuant to the terms and conditions of a stock option award agreement. These options vest in full on the one-year anniversary of the date of grant, provided that the reporting person is serving as a director of the issuer on such date.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did OSTX director John Ciccio report on this Form 4?

OSTX director John Ciccio reported receiving a grant of stock options on January 22, 2026. The award gives him the right to purchase 50,000 shares of OS Therapies common stock as part of his director compensation, subject to specific vesting conditions.

How many OS Therapies (OSTX) stock options were granted to John Ciccio and at what price?

He was granted 50,000 stock options with an exercise price of $1.34 per share. This means he can buy up to 50,000 OS Therapies common shares at $1.34 if and when the options are vested and exercised.

When do John Ciccio’s OSTX stock options vest and when do they expire?

The options vest in full on the one-year anniversary of the January 22, 2026 grant date. Vesting requires that he is still serving as a director on that date. The options have an expiration date of January 22, 2036 if not earlier exercised.

What OS Therapies (OSTX) shareholdings does John Ciccio report as of this Form 4?

He reports direct ownership of 20,000 OS Therapies common shares and 50,000 stock options following the reported transaction. He also reports indirect beneficial ownership of 435,835 common shares held through Mill River Partners LLC, where he shares voting and investment power.

What is Mill River Partners LLC’s role in John Ciccio’s OSTX holdings?

Mill River Partners LLC holds 435,835 OS Therapies common shares reported as indirectly owned. Ciccio serves on its board of managers and shares voting and investment power over these shares, so they are reported as indirect beneficial ownership on his Form 4.

Does this OSTX Form 4 show any stock sales by John Ciccio?

This Form 4 does not report any stock sales by John Ciccio. It records a grant of 50,000 stock options and discloses his existing direct holdings of 20,000 common shares and indirect holdings of 435,835 shares through Mill River Partners LLC.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/13/2026 - 04:42 PM EST Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Ciccio John

(Last) (First) (Middle)

C/O OS THERAPIES INCORPORATED

115 PULLMAN CROSSING ROAD, SUITE 103

(Street)

GRASONVILLE MD 21638

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
OS Therapies Inc [ OSTX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/22/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock								435,835	I	Mill River Partners LLC(1)
Common Stock								20,000	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock options (right to buy)	$1.34	01/22/2026		A		50,000		(2)	01/22/2036	Common Stock	50,000	$0	50,000	D

Explanation of Responses:

1. John Ciccio serves on the board of managers of Mill River Partners LLC and shares voting and investment power with respect to these shares.

2. On January 22, 2026, the reporting person was granted options to purchase 50,000 shares of the issuer's common stock pursuant to the terms and conditions of a stock option award agreement. These options vest in full on the one-year anniversary of the date of grant, provided that the reporting person is serving as a director of the issuer on such date.

	/s/ John Ciccio	02/13/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.