There are no significant Insider Shareholders in Keros Therapeutics as of December 12, 2025.
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Tomer Kariv | 1,231,662 | 06 Jun, 2025 | |
| Ran Nussbaum | 1,231,662 | 06 Jun, 2025 | |
| Jasbir Seehra | Chief Executive Officer | 392,723 | 05 Sep, 2025 |
| Julius Knowles | 239,168 | 06 Jun, 2025 | |
| Carl L Gordon | 124,772 | 06 Jun, 2025 | |
| Advisors Llc Orbimed | 119,522 | 15 Aug, 2024 | |
| Jennifer Lachey | Chief Scientific Officer | 95,100 | 19 Jul, 2022 |
| Christopher Rovaldi | Chief Operating Officer | 60,000 | 19 Feb, 2025 |
| Yung H. Chyung | Chief Medical Officer | 44,000 | 19 Feb, 2025 |
| Keith Regnante | Chief Financial Officer | 44,000 | 19 Feb, 2025 |
| Jean Jacques Bienaime | 5,450 | 06 Jun, 2025 | |
| Alpna Seth | 5,250 | 06 Jun, 2025 | |
| Mary Ann Gray | 5,250 | 06 Jun, 2025 | |
| Nima Farzan | 5,250 | 06 Jun, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 15 Oct, 2025 | Capital Management, Llc Adar1 | Common Stock | D | 4,391,237 | $17.75 | 0 | I | S |
| 15 Oct, 2025 | Management 4 G.P. (2015) Ltd. Pontifax | Common Stock, $0.0001 par value per share | D | 2,284,612 | $17.75 | 0 | I | S |
| 15 Oct, 2025 | Management 4 G.P. (2015) Ltd. Pontifax | Common Stock, $0.0001 par value per share | D | 1,121,045 | $17.75 | 0 | I | S |
| 15 Oct, 2025 | Capital Management, Llc Adar1 | Common Stock | D | 254,669 | $17.75 | 0 | I | S |
| 15 Oct, 2025 | Capital Management, Llc Adar1 | Common Stock | D | 743,358 | $17.75 | 0 | I | S |
| 15 Oct, 2025 | Management 4 G.P. (2015) Ltd. Pontifax | Common Stock, $0.0001 par value per share | D | 1,226,412 | $17.75 | 0 | I | S |
| 15 Oct, 2025 | Management 4 G.P. (2015) Ltd. Pontifax | Common Stock, $0.0001 par value per share | D | 155,262 | $17.75 | 0 | I | S |
| 03 Sep, 2025 | Jasbir Seehra | - | - | 392,723 | D | |||
| 03 Sep, 2025 | Jasbir Seehra | Common Stock | A | 90,500 | $0.00 | 392,723 | D | A |
| 20 Jun, 2025 | Capital Management, Llc Adar1 | Common Stock | D | 100 | $60.00 | 4,392,637 | I | X |
| 20 Jun, 2025 | Capital Management, Llc Adar1 | Common Stock | D | 1,400 | $70.00 | 4,391,237 | I | X |
| 20 Jun, 2025 | Capital Management, Llc Adar1 | Common Stock | D | 200 | $70.00 | 743,358 | I | X |
| 04 Jun, 2025 | Tomer Kariv | Common Stock | A | 5,250 | $0.00 | 5,250 | D | A |
| 04 Jun, 2025 | Carl L Gordon | Common Stock | A | 5,250 | $0.00 | 5,250 | D | A |
| 04 Jun, 2025 | Carl L Gordon | - | - | 5,250 | D | |||
| 04 Jun, 2025 | Jean Jacques Bienaime | Common Stock | A | 5,250 | $0.00 | 5,450 | D | A |
| 04 Jun, 2025 | Alpna Seth | Common Stock | A | 5,250 | $0.00 | 5,250 | D | A |
| 04 Jun, 2025 | Julius Knowles | Common Stock | A | 5,250 | $0.00 | 6,441 | D | A |
| 04 Jun, 2025 | Nima Farzan | Common Stock | A | 5,250 | $0.00 | 5,250 | D | A |
| 04 Jun, 2025 | Ran Nussbaum | Common Stock | A | 5,250 | $0.00 | 5,250 | D | A |