List of insiders holdings for Keros Therapeutics Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Lazarus Alon Director 10% Owner | 2020-04-13 17:15:10 | 23,038 2,013,102 | 2,036,140 | Form 4 |
| 2 | Arkin Bio Ventures Limited Partnership Arkin Bio Venture Partners Ltd. Arkin Moshe 10% Owner | 2023-02-02 14:23:25 | 1,371,074 0 | 1,371,074 | Form 13G |
| 3 | Seehra Jasbir CHIEF EXECUTIVE OFFICER | 2026-04-06 16:15:08 | 638,152 0 | 638,152 | Form 4 |
| 4 | Knowles Julius Director | 2026-06-08 16:36:12 | 10,958 252,280 | 263,238 | Form 4 |
| 5 | Lachey Jennifer Chief Scientific Officer | 2022-07-19 16:40:13 | 103,855 0 | 103,855 | Form 4 |
| 6 | Ordonez Claudia Chief Medical Officer | 2021-06-15 17:01:06 | 98,211 0 | 98,211 | Form 4 |
| 7 | Regnante Keith CHIEF FINANCIAL OFFICER | 2026-02-26 16:15:23 | 60,000 0 | 60,000 | Form 4 |
| 8 | Rovaldi Christopher Chief Operating Officer | 2025-02-19 16:15:13 | 60,000 0 | 60,000 | Form 4 |
| 9 | Tanini Annita Corp. Controller & VP, Finance | 2026-08-20 16:10:13 | 45,144 0 | 45,144 | Form 4 |
| 10 | GORDON CARL L Director | 2025-12-18 16:27:15 | 0 45,057 | 45,057 | Form 4 |
| 11 | ORBIMED ADVISORS LLC OrbiMed Capital GP VII LLC OrbiMed Genesis GP LLC Director | 2025-12-18 16:34:22 | 0 45,057 | 45,057 | Form 4 |
| 12 | CHYUNG YUNG H. Chief Medical Officer | 2025-02-19 16:15:19 | 44,000 0 | 44,000 | Form 4 |
| 13 | Cooper Simon Peter CHIEF MEDICAL OFFICER | 2024-02-15 20:37:12 | 40,000 0 | 40,000 | Form 4 |
| 14 | Cho Esther Chief Legal Officer | 2026-08-20 16:10:08 | 35,770 0 | 35,770 | Form 4 |
| 15 | Prener Anne Director | 2026-07-06 16:31:00 | 28,656 0 | 28,656 | Form 4 |
| 16 | Lerner Lorena Raquel Chief Scientific Officer | 2026-08-20 16:10:10 | 27,559 0 | 27,559 | Form 4 |
| 17 | GRAY MARY ANN Director | 2026-06-05 16:15:25 | 19,825 0 | 19,825 | Form 4 |
| 18 | Seth Alpna Director | 2026-06-05 17:20:18 | 19,825 0 | 19,825 | Form 4 |
| 19 | BIENAIME JEAN JACQUES Director | 2026-08-19 16:10:06 | 19,592 0 | 19,592 | Form 4 |
| 20 | Newton Charles W. Director | 2026-08-20 16:10:05 | 12,114 0 | 12,114 | Form 4 |
| 21 | Pontifax Management 4 G.P. (2015) Ltd. Pontifax (Israel) IV L.P. Pontifax (Cayman) IV L.P. Pontifax (China) IV L.P. Pontifax Late Stage Fund L.P. Pontifax Late Stage GP Ltd. Kariv Tomer Nussbaum Ran 10% Owner | 2025-10-17 17:53:28 | 0 10,500 | 10,500 | Form 4 |
| 22 | Farzan Nima Director | 2026-06-08 16:37:53 | 9,767 0 | 9,767 | Form 4 |
| 23 | ADAR1 Capital Management LLC ADAR1 Partners LP ADAR1 Capital Management GP LLC Schneeberger Daniel 10% Owner | 2025-10-15 13:24:20 | 0 0 | 0 | Form 4 |