KRRO Insider Trading Activity and SEC Form 4 Filings
KRRO insider trading summary
Over the past 12 months, insiders at Korro Bio, Inc. (KRRO) reported 29 sales worth $5.6M by 6 insiders and 25 open-market purchases worth $27.2M by 13 insiders on SEC Form 4. Net insider buying was $21.7M.
Latest KRRO insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Oct 26, 2026 | Weston Nichols | 10% Owner | Buy | $295K (25,124 @ $11.75) |
| Oct 26, 2026 | Lynx1 Capital Management LP | 10% Owner | Buy | $295K (25,124 @ $11.75) |
| Oct 23, 2026 | Lynx1 Capital Management LP | 10% Owner | Buy | $30K (2,510 @ $12.11) |
| Oct 23, 2026 | Weston Nichols | 10% Owner | Buy | $30K (2,510 @ $12.11) |
| Oct 22, 2026 | Weston Nichols | 10% Owner | Buy | $441K (40,000 @ $11.04) |
| Oct 22, 2026 | Weston Nichols | 10% Owner | Buy | $118K (12,175 @ $9.68) |
| Oct 22, 2026 | Lynx1 Capital Management LP | 10% Owner | Buy | $441K (40,000 @ $11.04) |
| Oct 22, 2026 | Lynx1 Capital Management LP | 10% Owner | Buy | $118K (12,175 @ $9.68) |
| Sep 14, 2026 | Jean Francois Formela | Insider | Sell | $450K (31,888 @ $14.12) |
| Sep 14, 2026 | Jean Francois Formela | Insider | Sell | $93K (6,602 @ $14.12) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.