Keros Therapeutics, Inc (KROS) insider trading
Every open-market stock purchase and sale by Keros Therapeutics, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Jean Jacques Bienaime (Insider) bought $20.9K in the last 90 days, growing their stake 6%.
- Esther Cho (C-suite exec) and 3 others sold $101K in the last 90 days.
Last 12 months: insiders bought $75.8K (6 buys) and sold $181M (14 sales). Last close $11.03 on Aug 21, 2026.
Recent KROS insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Aug 18, 2026 | Esther Cho (C-suite exec) | Sold | $46.2K |
| Aug 18, 2026 | Lorena Raquel Lerner (C-suite exec) | Sold | $36.7K |
| Aug 18, 2026 | Annita Tanini (VP) | Sold | $12.6K |
| Aug 18, 2026 | Charles W. Newton (Insider) | Sold | $5.7K |
| Aug 17, 2026 | Jean Jacques Bienaime (Insider) | Bought | $10.3K |
| Jul 15, 2026 | Jean Jacques Bienaime (Insider) | Bought | $10.6K |
| Jul 1, 2026 | Anne Prener (Insider) | Bought (not open market) | — |
| Jul 1, 2026 | Anne Prener (Insider) | Bought (not open market) | — |
| Jun 15, 2026 | Jean Jacques Bienaime (Insider) | Bought | $10.2K |
| Jun 11, 2026 | Charles W. Newton (Insider) | Sold | $5.5K |
| Jun 4, 2026 | Nima Farzan (Insider) | Sold | $28.2K |
| Jun 4, 2026 | Julius Knowles (Insider) | Sold | $28.2K |
| Jun 4, 2026 | Alpna Seth (Insider) | Sold | $28.1K |
| Jun 3, 2026 | Nima Farzan (Insider) | Bought (not open market) | — |
| Jun 3, 2026 | Alpna Seth (Insider) | Bought (not open market) | — |
| Jun 3, 2026 | Julius Knowles (Insider) | Bought (not open market) | — |
| Jun 3, 2026 | Nima Farzan (Insider) | Bought (not open market) | — |
| Jun 3, 2026 | Julius Knowles (Insider) | Bought (not open market) | — |
| Jun 3, 2026 | Alpna Seth (Insider) | Bought (not open market) | — |
| Jun 3, 2026 | Mary Ann Gray (Insider) | Bought (not open market) | — |
| Jun 3, 2026 | Mary Ann Gray (Insider) | Bought (not open market) | — |
| Jun 3, 2026 | Jean Jacques Bienaime (Insider) | Bought (not open market) | — |
| Jun 3, 2026 | Jean Jacques Bienaime (Insider) | Bought (not open market) | — |
| May 15, 2026 | Jean Jacques Bienaime (Insider) | Bought | $10.6K |
| Apr 15, 2026 | Jean Jacques Bienaime (Insider) | Bought | $11.7K |
Who's trading KROS
- Annita Tanini, VP: sold $12.6K (1 sale), last Aug 18, 2026
- Esther Cho, C-suite exec: sold $124K (2 sales), last Aug 18, 2026
- Lorena Raquel Lerner, C-suite exec: sold $100K (2 sales), last Aug 18, 2026
- Charles W. Newton, Insider: sold $11.2K (2 sales), last Aug 18, 2026
- Jean Jacques Bienaime, Insider: bought $75.8K (6 buys), last Aug 17, 2026
- Anne Prener, Insider: other filings, last Jul 1, 2026
- Alpna Seth, Insider: sold $28.1K (1 sale), last Jun 4, 2026
- Nima Farzan, Insider: sold $28.2K (1 sale), last Jun 4, 2026
- Julius Knowles, Insider: sold $28.2K (1 sale), last Jun 4, 2026
- Mary Ann Gray, Insider: other filings, last Jun 3, 2026
- Jasbir Seehra, CEO: sold $113K (1 sale), last Apr 2, 2026
- Keith Regnante, CFO: sold $77.5K (1 sale), last Feb 24, 2026
- Carl L Gordon, Director: other filings, last Nov 21, 2025
- Orbimed Advisors LLC, Director: other filings, last Nov 21, 2025
- ADAR1 Capital Management LLC, 10% owner: sold $95.7M (3 sales), last Oct 15, 2025
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