Over the past 12 months, OS Therapies insiders made no open-market purchases or sales of the stock.
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Shalom Auerbach | TenPercentOwner | 0 | 2,664,199 | 2,664,199 | 42.4% | 09 May, 2025 |
| 2 | Paul A. Romness | President And Ceo | 2,473,000 | 0 | 2,473,000 | 39.3% | 28 Feb, 2025 |
| 3 | John Ciccio | Director | 0 | 575,100 | 575,100 | 9.1% | 06 Aug, 2024 |
| 4 | Theodore F. Search | Director | 0 | 575,100 | 575,100 | 9.1% | 06 Aug, 2024 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 22 Jan, 2026 | Olivier Roger Jarry | Director | Acquired A | 50,000 | $0.00 | $0 | 50,000 | Direct |
| 22 Jan, 2026 | Karim Galzahr | Director | Acquired A | 50,000 | $0.00 | $0 | 50,000 | Direct |
| 22 Jan, 2026 | Robert Petit | Officer | Acquired A | 100,000 | $0.00 | $0 | 100,000 | Direct |
| 22 Jan, 2026 | Paul A. Romness | President And Ceo | Acquired A | 1,000,000 | $0.00 | $0 | 1,000,000 | Direct |
| 22 Jan, 2026 | Christopher P. Acevedo | Chief Financial Officer | Acquired A | 100,000 | $0.00 | $0 | 100,000 | Direct |
| 22 Jan, 2026 | Avril Suzette Mckean-Dieser | Director | Acquired A | 50,000 | $0.00 | $0 | 50,000 | Direct |
| 22 Jan, 2026 | Theodore F. Search | Director | Acquired A | 50,000 | $0.00 | $0 | 50,000 | Direct |
| 22 Jan, 2026 | John Ciccio | Director | Acquired A | 50,000 | $0.00 | $0 | 50,000 | Direct |
| 21 Oct, 2025 | Karim Galzahr | Director | Acquired A | 140,000 | $0.00 | $0 | 140,000 | Direct |
| 21 Oct, 2025 | Olivier Roger Jarry | Director | Acquired A | 140,000 | $0.00 | $0 | 140,000 | Direct |
| 21 Oct, 2025 | Avril Suzette Mckean-Dieser | Director | Acquired A | 140,000 | $0.00 | $0 | 140,000 | Direct |
| 21 Oct, 2025 | Robert Petit | Officer | Acquired A | 500,000 | $0.00 | $0 | 500,000 | Direct |
| 21 Oct, 2025 | Paul A. Romness | President And Ceo | Acquired A | 1,950,000 | $0.00 | $0 | 1,950,000 | Direct |
| 21 Oct, 2025 | Christopher P. Acevedo | Chief Financial Officer | Acquired A | 200,000 | $0.00 | $0 | 200,000 | Direct |
| 21 Oct, 2025 | John Ciccio | Director | Acquired A | 140,000 | $0.00 | $0 | 140,000 | Direct |
| 21 Oct, 2025 | Theodore F. Search | Director | Acquired A | 140,000 | $0.00 | $0 | 140,000 | Direct |
| 07 May, 2025 | Shalom Auerbach | TenPercentOwner | Disposed S | 82,000 | $2.00 | $163.92K | 2,664,199 | Indirect |
| 09 Apr, 2025 | Shalom Auerbach | TenPercentOwner | Disposed S | 50,012 | $1.35 | $67.67K | 2,756,199 | Indirect |
| 10 Apr, 2025 | Shalom Auerbach | TenPercentOwner | Disposed S | 10,000 | $1.39 | $13.90K | 2,746,199 | Indirect |
| 27 Feb, 2025 | Shalom Auerbach | TenPercentOwner | Disposed J | 225,000 | $1.64 | $369.00K | 2,806,211 | Indirect |