$OSTX 4 SEC Filings

Filed On	Filing
13 Feb 2026	Form 4: McKean-Dieser Avril Suzette, Director Granted 50,000 Stock options (right to buy)
13 Feb 2026	Form 4: Search Theodore F., Director Granted 50,000 Stock options (right to buy)
13 Feb 2026	Form 4: Ciccio John, Director Granted 50,000 Stock options (right to buy)
13 Feb 2026	Form 4: Acevedo Christopher P., Chief Financial Officer Granted 100,000 Stock options (right to buy)
13 Feb 2026	Form 4: Petit Robert, See Remarks Granted 100,000 Stock options (right to buy)
13 Feb 2026	Form 4: Romness Paul A., Director Granted 1,000,000 Stock options (right to buy)
13 Feb 2026	Form 4: Jarry Olivier Roger, Director Granted 50,000 Stock options (right to buy)
13 Feb 2026	Form 4: Galzahr Karim, Director Granted 50,000 Stock options (right to buy)
19 Dec 2025	Form 4: Search Theodore F., Director Granted 140,000 Stock options (right to buy)
19 Dec 2025	Form 4: Petit Robert, See Remarks Granted 500,000 Stock options (right to buy)
19 Dec 2025	Form 4: Romness Paul A., Director Granted 1,950,000 Stock options (right to buy)
19 Dec 2025	Form 4: Jarry Olivier Roger, Director Granted 140,000 Stock options (right to buy)
19 Dec 2025	Form 4: Galzahr Karim, Director Granted 140,000 Stock options (right to buy)
19 Dec 2025	Form 4: Ciccio John, Director Granted 140,000 Stock options (right to buy)
19 Dec 2025	Form 4: Acevedo Christopher P., Chief Financial Officer Granted 200,000 Stock options (right to buy)
19 Dec 2025	Form 4: McKean-Dieser Avril Suzette, Director Granted 140,000 Stock options (right to buy)
09 May 2025	Form 4: Auerbach Shalom, Former 10% Owner and 1 other
09 May 2025	Form 4: Auerbach Shalom, 10% owner and 1 other Sold 82,000 shares ($164K)
11 Apr 2025	Form 4: Auerbach Shalom, 10% owner and 1 other Sold 50,012 shares ($67.7K) · Sold 10,000 shares ($13.9K)
28 Feb 2025	Form 4: Auerbach Shalom, 10% owner and 1 other Disposed of 225,000 shares (Other Transaction) ($369K)

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