OSTXOS Therapies Inc insider trades
No insider bought or sold OS Therapies Inc (OSTX) shares on the open market in the last 90 days. The latest Form 4 transaction on record was filed on Oct 30.
- Market cap
- $58.04M
- as of 2026-10-30
- Latest close
- $1.30
- as of 2026-10-29
- Sector
- Healthcare
- as of 2026-10-31
- Industry
- Biotechnology
- as of 2026-10-31
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2024-08-06
Dashed line = amended filing (Form 4/A)
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| McKean-Dieser Avril Suzette | Oct 22 | Oct 30 | A · derivative | 300,000 | $1.25 | $375,000 | 300,000 | No | Form 4 |
| Romness Paul A.President and CEO | Oct 22 | Oct 30 | A · derivative | 900,000 | $1.25 | $1,125,000 | 900,000 | No | Form 4 |
| Search Theodore F. | Oct 22 | Oct 30 | A · derivative | 300,000 | $1.25 | $375,000 | 300,000 | No | Form 4 |
| Ciccio John | Oct 22 | Oct 30 | A · derivative | 300,000 | $1.25 | $375,000 | 300,000 | No | Form 4 |
| Jarry Olivier Roger | Oct 22 | Oct 30 | A · derivative | 300,000 | $1.25 | $375,000 | 300,000 | No | Form 4 |
| Eagle Craig | Oct 22 | Oct 30 | A · derivative | 300,000 | $1.25 | $375,000 | 300,000 | No | Form 4 |
| Francis Knuettel IIChief Financial Officer | Oct 22 | Oct 30 | A · derivative | 300,000 | $1.25 | $375,000 | 300,000 | No | Form 4 |
| Clem Kerry MChief Commercial Officer | Oct 22 | Oct 30 | A · derivative | 300,000 | $1.25 | $375,000 | 300,000 | No | Form 4 |
| Petit RobertSee Remarks | Oct 22 | Oct 30 | A · derivative | 200,000 | $1.25 | $250,000 | 200,000 | No | Form 4 |
| Galzahr Karim | Jan 22 | Feb 13 | A · derivative | 50,000 | $1.34 | $67,000 | 50,000 | No | Form 4 |
| Jarry Olivier Roger | Jan 22 | Feb 13 | A · derivative | 50,000 | $1.34 | $67,000 | 50,000 | No | Form 4 |
| Romness Paul A.President and CEO | Jan 22 | Feb 13 | A · derivative | 1,000,000 | $1.34 | $1,340,000 | 1,000,000 | No | Form 4 |
| Petit RobertSee Remarks | Jan 22 | Feb 13 | A · derivative | 100,000 | $1.34 | $134,000 | 100,000 | No | Form 4 |
| Acevedo Christopher P.Chief Financial Officer | Jan 22 | Feb 13 | A · derivative | 100,000 | $1.34 | $134,000 | 100,000 | No | Form 4 |
| Ciccio John | Jan 22 | Feb 13 | A · derivative | 50,000 | $1.34 | $67,000 | 50,000 | No | Form 4 |
| Search Theodore F. | Jan 22 | Feb 13 | A · derivative | 50,000 | $1.34 | $67,000 | 50,000 | No | Form 4 |
| McKean-Dieser Avril Suzette | Jan 22 | Feb 13 | A · derivative | 50,000 | $1.34 | $67,000 | 50,000 | No | Form 4 |
| Romness Paul A.President and CEO | Oct 21, 2025 | Feb 134/A | A · derivative | 1,000,000 | $1.80 | $1,800,000 | 1,000,000 | No | Form 4/A |
| McKean-Dieser Avril Suzette | Oct 21, 2025 | Dec 19, 2025 | A · derivative | 140,000 | $1.80 | $252,000 | 140,000 | No | Form 4 |
| Acevedo Christopher P.Chief Financial Officer | Oct 21, 2025 | Dec 19, 2025 | A · derivative | 200,000 | $1.80 | $360,000 | 200,000 | No | Form 4 |
| Ciccio John | Oct 21, 2025 | Dec 19, 2025 | A · derivative | 140,000 | $1.80 | $252,000 | 140,000 | No | Form 4 |
| Galzahr Karim | Oct 21, 2025 | Dec 19, 2025 | A · derivative | 140,000 | $1.80 | $252,000 | 140,000 | No | Form 4 |
| Jarry Olivier Roger | Oct 21, 2025 | Dec 19, 2025 | A · derivative | 140,000 | $1.80 | $252,000 | 140,000 | No | Form 4 |
| Petit RobertSee Remarks | Oct 21, 2025 | Dec 19, 2025 | A · derivative | 500,000 | $1.80 | $900,000 | 500,000 | No | Form 4 |
| Search Theodore F. | Oct 21, 2025 | Dec 19, 2025 | A · derivative | 140,000 | $1.80 | $252,000 | 140,000 | No | Form 4 |
| Auerbach Shalom | May 7, 2025 | May 9, 2025 | S | 82,000 | $2.00 | Sale −$164,000 | 2,664,199 | No | Form 4 |
| Auerbach Shalom | Apr 10, 2025 | Apr 11, 2025 | S | 10,000 | $1.39 | Sale −$13,900 | 2,746,199 | No | Form 4 |
| Auerbach Shalom | Apr 9, 2025 | Apr 11, 2025 | S | 50,012 | $1.35 | Sale −$67,516 | 2,756,199 | No | Form 4 |
| Romness Paul A.President and CEO | Feb 28, 2025 | Feb 28, 2025 | J | 225,000 | $0.00 | $0 | 2,473,000 | No | Form 4 |
| Einodmil LLC | Feb 27, 2025 | Feb 28, 2025 | J | 225,000 | $1.64 | $369,000 | 2,806,211 | No | Form 4 |
| Einodmil LLC | Feb 14, 2025 | Feb 18, 2025 | S | 100,000 | $2.84 | Sale −$284,000 | 2,431,211 | No | Form 4 |
| Auerbach Shalom | Jan 15, 2025 | Jan 17, 2025 | S | 16,720 | $6.74 | Sale −$112,693 | 2,531,211 | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C | 23,371 | not reported | not reported | 23,371 | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C | 633,980 | not reported | not reported | 1,438,355 | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C | 27,486 | not reported | not reported | 1,465,841 | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C | 270,465 | not reported | not reported | 1,736,306 | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C | 53,468 | not reported | not reported | 1,789,774 | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C | 131,472 | not reported | not reported | 1,921,246 | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C | 78,710 | not reported | not reported | 1,999,956 | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C | 88,940 | not reported | not reported | 2,088,896 | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C | 179,027 | not reported | not reported | 2,267,923 | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C | 51,035 | not reported | not reported | 2,318,958 | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C | 178,135 | not reported | not reported | 2,497,093 | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C | 50,838 | not reported | not reported | 2,547,931 | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C · derivative | 23,371 | $1.31 | $30,616 | not reported | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C · derivative | 633,980 | $2.00 | $1,267,960 | not reported | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C · derivative | 27,486 | $2.00 | $54,972 | not reported | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C · derivative | 270,465 | $2.00 | $540,930 | not reported | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C · derivative | 53,468 | $2.00 | $106,936 | not reported | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C · derivative | 131,472 | $2.00 | $262,944 | not reported | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C · derivative | 78,710 | $2.00 | $157,420 | not reported | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C · derivative | 88,940 | $2.00 | $177,880 | not reported | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C · derivative | 179,027 | $2.00 | $358,054 | not reported | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C · derivative | 51,035 | $2.00 | $102,070 | not reported | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C · derivative | 178,135 | $2.00 | $356,270 | not reported | No | Form 4 |
| Auerbach Shalom | Aug 2, 2024 | Jan 14, 2025 | C · derivative | 50,838 | $2.00 | $101,676 | not reported | No | Form 4 |
| Ciccio John | Aug 2, 2024 | Aug 6, 2024 | C | 101,765 | not reported | not reported | 139,265 | No | Form 4 |
| Ciccio John | Aug 2, 2024 | Aug 6, 2024 | C | 266,306 | not reported | not reported | 405,571 | No | Form 4 |
| Ciccio John | Aug 2, 2024 | Aug 6, 2024 | C | 30,264 | not reported | not reported | 435,835 | No | Form 4 |
| Search Theodore F. | Aug 2, 2024 | Aug 6, 2024 | C | 101,765 | not reported | not reported | 139,265 | No | Form 4 |
| Search Theodore F. | Aug 2, 2024 | Aug 6, 2024 | C | 266,306 | not reported | not reported | 405,571 | No | Form 4 |
| Search Theodore F. | Aug 2, 2024 | Aug 6, 2024 | C | 30,264 | not reported | not reported | 435,835 | No | Form 4 |