OS Therapies Inc director John Ciccio filed a Form 4 on October 30, 2026, disclosing the grant of 300,000 stock options and reporting his current beneficial ownership of common stock.

Key Highlights

  • Option grant: John Ciccio received options to purchase 300,000 shares of OS Therapies Inc common stock on October 22, 2026, with an exercise price of $1.25 per share.
  • Expiration date: The options expire on October 22, 2036, according to the filing.
  • Vesting schedule: The options vest in 12 equal monthly installments on each monthly anniversary of the grant date, contingent on Ciccio serving as a director on each vesting date.
  • Plan basis: The grant was made pursuant to the issuer's amended and restated 2023 incentive compensation plan and a stock option award agreement.
  • Indirect holdings: Ciccio beneficially owns 435,835 shares of common stock indirectly through Mill River Partners LLC, where he serves on the board of managers and shares voting and investment power.
  • Direct derivative holdings: Following the transaction, Ciccio directly holds 300,000 derivative securities (stock options) beneficially owned.

John Ciccio's October 2026 Option Grant and Ownership at OS Therapies

According to the Form 4 filed with the SEC on October 30, 2026, John Ciccio, a director of OS Therapies Inc (NYSE:OSTX), was granted stock options on October 22, 2026, to purchase 300,000 shares of the company's common stock. The filing lists the exercise price as $1.25 per share and the option expiration date as October 22, 2036. The grant was made at a price of $0 to the reporting person, as disclosed in Table II of the filing.

The filing states that the options vest in 12 equal installments on each monthly anniversary of the date of grant, "provided that the reporting person is serving as a director of the issuer on each applicable vesting date." The grant was made under the issuer's amended and restated 2023 incentive compensation plan and a stock option award agreement, according to the explanation of responses included in the filing.

In addition to the derivative securities, the filing reports that Ciccio indirectly holds 435,835 shares of common stock through Mill River Partners LLC. The filing notes that Ciccio "serves on the board of managers of Mill River Partners LLC and shares voting and investment power with respect to these shares." Table I also shows 20,000 shares listed as disposed of (D) with no transaction date or price recorded in the filing for that line.

What Was Disclosed

Director John Ciccio reported receiving a grant of 300,000 stock options at $1.25 per share, expiring October 22, 2036, with monthly vesting over 12 installments, along with indirect beneficial ownership of 435,835 common shares through Mill River Partners LLC.