Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- 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>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-07-02 Sale | 2026-07-07 6:04 pm | Korro Bio Inc. | KRRO | FORMELA JEAN FRANCOIS Director | 110,023 | $14.02 | $1,542,970 | 146,305 (Indirect) | View |
| 2026-06-22 Sale | 2026-06-24 8:09 pm | Korro Bio Inc. | KRRO | FORMELA JEAN FRANCOIS Director | 171,405 | $14.34 | $2,458,582 | 169,556 (Indirect) | View |
| 2026-06-16 Sale | 2026-06-17 4:14 pm | Korro Bio Inc. | KRRO | Chappell Todd Chief Operating Officer | 3,168 | $10.83 | $34,309 | 16,964 (Direct) | View |
| 2026-06-16 Sale | 2026-06-17 4:11 pm | Korro Bio Inc. | KRRO | Vincent Loic A Chief Scientific Officer | 3,418 | $10.83 | $37,017 | 18,297 (Direct) | View |
| 2026-06-16 Sale | 2026-06-17 4:08 pm | Korro Bio Inc. | KRRO | Cerio Jeffrey General Counsel | 6,609 | $10.83 | $71,575 | 35,293 (Direct) | View |
| 2026-06-16 Sale | 2026-06-17 4:05 pm | Korro Bio Inc. | KRRO | Dolan Oliver Senior Vice President, Finance | 3,383 | $10.83 | $36,638 | 18,099 (Direct) | View |
| 2026-05-29 Sale | 2026-06-02 07:00 am | Korro Bio Inc. | KRRO | Aiyar Ram President and CEO | 15,152 | $12.98 | $196,673 | 79,461 (Indirect Direct) | View |
| 2026-05-28 Sale | 2026-06-01 5:35 pm | Korro Bio Inc. | KRRO | FORMELA JEAN FRANCOIS Director | 2,860 | $13.95 | $39,897 | 194,655 (Indirect) | View |
| 2026-03-31 Purchase | 2026-04-02 12:00 pm | Korro Bio Inc. | KRRO | Lynx1 Capital Management LP Nichols Weston 10% Owner | 520 | $10.6 | $5,512 | 1,538,296 (Indirect) | View |
| 2026-03-10 Purchase | 2026-03-12 8:15 pm | Korro Bio Inc. | KRRO | Yang Rick 10% Owner | 207,100 | $11.11 | $2,300,881 | 1,540,838 (Indirect) | View |
| 2026-03-10 Purchase | 2026-03-12 8:15 pm | Korro Bio Inc. | KRRO | SANDELL SCOTT D 10% Owner | 207,100 | $11.11 | $2,300,881 | 1,540,838 (Indirect) | View |
| 2026-03-10 Purchase | 2026-03-12 8:15 pm | Korro Bio Inc. | KRRO | New Enterprise Associates 17 L.P. NEA Partners 17 L.P. NEA 17 GP LLC 10% Owner | 207,100 | $11.11 | $2,300,881 | 1,540,838 (Direct) | View |
| 2026-03-10 Purchase | 2026-03-12 8:15 pm | Korro Bio Inc. | KRRO | Chang Carmen 10% Owner | 207,100 | $11.11 | $2,300,881 | 1,540,838 (Indirect) | View |
| 2026-03-10 Purchase | 2026-03-12 8:15 pm | Korro Bio Inc. | KRRO | BASKETT FOREST 10% Owner | 207,100 | $11.11 | $2,300,881 | 1,540,838 (Indirect) | View |
| 2026-03-10 Purchase | 2026-03-12 8:15 pm | Korro Bio Inc. | KRRO | Mathers Edward T 10% Owner | 207,100 | $11.11 | $2,300,881 | 1,540,838 (Indirect) | View |
| 2026-03-10 Purchase | 2026-03-12 8:15 pm | Korro Bio Inc. | KRRO | Makhzoumi Mohamad 10% Owner | 207,100 | $11.11 | $2,300,881 | 1,540,838 (Indirect) | View |
| 2026-03-10 Purchase | 2026-03-12 8:15 pm | Korro Bio Inc. | KRRO | Walker Paul Edward 10% Owner | 207,100 | $11.11 | $2,300,881 | 1,540,838 (Indirect) | View |
| 2026-03-10 Purchase | 2026-03-12 8:15 pm | Korro Bio Inc. | KRRO | Florence Anthony A. Jr. 10% Owner | 207,100 | $11.11 | $2,300,881 | 1,540,838 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-06-10 Option Award | 2026-06-11 6:10 pm | N/A 2036-06-09 | Korro Bio Inc. | KRRO | Behbahani Ali Director | 14,677 | $0 | 14,677 (Direct) | View |
| 2026-06-10 Option Award | 2026-06-11 6:07 pm | N/A 2036-06-09 | Korro Bio Inc. | KRRO | Meyers Rachel Director | 14,677 | $0 | 14,677 (Direct) | View |
| 2026-06-10 Option Award | 2026-06-11 6:04 pm | N/A 2036-06-09 | Korro Bio Inc. | KRRO | Bermingham Nessan Director | 14,677 | $0 | 14,677 (Direct) | View |
| 2026-06-10 Option Award | 2026-06-11 6:01 pm | N/A 2036-06-09 | Korro Bio Inc. | KRRO | Knobil Katharine Director | 14,677 | $0 | 14,677 (Direct) | View |
| 2026-06-10 Option Award | 2026-06-11 5:58 pm | N/A 2036-06-09 | Korro Bio Inc. | KRRO | FORMELA JEAN FRANCOIS Director | 14,677 | $0 | 14,677 (Direct) | View |
| 2026-06-10 Option Award | 2026-06-11 5:55 pm | N/A 2036-06-09 | Korro Bio Inc. | KRRO | PEARSON TIMOTHY R Director | 14,677 | $0 | 14,677 (Direct) | View |
| 2026-05-26 Option Award | 2026-05-28 5:07 pm | N/A N/A | Korro Bio Inc. | KRRO | Aiyar Ram President and CEO | 50,000 | $12.33 | 94,613 (Direct) | View |
Ownership | 2026-04-02 12:00 pm | N/A N/A | Korro Bio Inc. | KRRO | Lynx1 Capital Management LP Nichols Weston 10% Owner | 0 | $0 | 1,537,776 (Indirect) | View |
| 2026-03-10 Option Award | 2026-03-12 8:15 pm | N/A N/A | Korro Bio Inc. | KRRO | Behbahani Ali Director 10% Owner | 207,100 | $11.11 | 1,540,838 (Indirect) | View |
| 2026-03-10 Option Award | 2026-03-12 8:15 pm | N/A N/A | Korro Bio Inc. | KRRO | Behbahani Ali Director 10% Owner | 242,945 | $11.11 | 1,540,838 (Indirect) | View |
| 2026-02-02 Option Award | 2026-02-03 4:17 pm | N/A 2036-02-01 | Korro Bio Inc. | KRRO | Aiyar Ram President and CEO | 120,000 | $0 | 124,613 (Direct) | View |
| 2026-02-02 Option Award | 2026-02-03 4:14 pm | N/A 2036-02-01 | Korro Bio Inc. | KRRO | Vincent Loic A Chief Scientific Officer | 35,000 | $0 | 35,000 (Direct) | View |
| 2026-02-02 Option Award | 2026-02-03 4:11 pm | N/A 2036-02-01 | Korro Bio Inc. | KRRO | Dolan Oliver Senior Vice President, Finance | 15,000 | $0 | 15,000 (Direct) | View |
| 2026-02-02 Option Award | 2026-02-03 4:08 pm | N/A 2036-02-01 | Korro Bio Inc. | KRRO | Cerio Jeffrey General Counsel | 23,000 | $0 | 23,000 (Direct) | View |
| 2026-02-02 Option Award | 2026-02-03 4:05 pm | N/A 2036-02-01 | Korro Bio Inc. | KRRO | Chappell Todd Chief Operating Officer | 38,000 | $0 | 38,000 (Direct) | View |
| 2025-12-15 Option Award | 2025-12-16 4:11 pm | N/A N/A | Korro Bio Inc. | KRRO | Chappell Todd Chief Operating Officer | 20,132 | $0 | 20,132 (Direct) | View |
| 2025-12-15 Option Award | 2025-12-16 4:09 pm | N/A N/A | Korro Bio Inc. | KRRO | Vincent Loic A Chief Scientific Officer | 21,715 | $0 | 21,715 (Direct) | View |
| 2025-12-15 Option Award | 2025-12-16 4:07 pm | N/A N/A | Korro Bio Inc. | KRRO | Cerio Jeffrey General Counsel | 41,902 | $0 | 41,902 (Direct) | View |
| 2025-12-15 Option Award | 2025-12-16 4:05 pm | N/A N/A | Korro Bio Inc. | KRRO | Dolan Oliver Senior Vice President, Finance | 21,482 | $0 | 21,482 (Direct) | View |
| 2025-06-11 Option Award | 2025-06-12 4:40 pm | N/A 2035-06-10 | Korro Bio Inc. | KRRO | Behbahani Ali Director 10% Owner | 6,010 | $0 | 6,010 (Direct) | View |
| 2025-06-11 Option Award | 2025-06-12 4:32 pm | N/A 2035-06-10 | Korro Bio Inc. | KRRO | Meyers Rachel Director | 6,010 | $0 | 6,010 (Direct) | View |
| 2025-06-11 Option Award | 2025-06-12 4:29 pm | N/A 2035-06-10 | Korro Bio Inc. | KRRO | Bermingham Nessan Director | 6,010 | $0 | 6,010 (Direct) | View |
| 2025-06-11 Option Award | 2025-06-12 4:26 pm | N/A 2035-06-10 | Korro Bio Inc. | KRRO | Knobil Katharine Director | 6,010 | $0 | 6,010 (Direct) | View |