List of insiders holdings for Korro Bio 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 | Florence Anthony A. Jr. 10% Owner | 2026-03-12 20:15:03 | 0 1,540,838 | 1,540,838 | Form 4 |
| 2 | Makhzoumi Mohamad 10% Owner | 2026-03-12 20:15:06 | 0 1,540,838 | 1,540,838 | Form 4 |
| 3 | Yang Rick 10% Owner | 2026-03-12 20:15:16 | 0 1,540,838 | 1,540,838 | Form 4 |
| 4 | SANDELL SCOTT D 10% Owner | 2026-03-12 20:15:15 | 0 1,540,838 | 1,540,838 | Form 4 |
| 5 | New Enterprise Associates 17 L.P. NEA Partners 17 L.P. NEA 17 GP LLC 10% Owner | 2026-03-12 20:15:13 | 1,540,838 0 | 1,540,838 | Form 4 |
| 6 | Behbahani Ali Director 10% Owner | 2026-03-12 20:15:10 | 0 1,540,838 | 1,540,838 | Form 4 |
| 7 | Chang Carmen 10% Owner | 2026-03-12 20:15:12 | 0 1,540,838 | 1,540,838 | Form 4 |
| 8 | BASKETT FOREST 10% Owner | 2026-03-12 20:15:09 | 0 1,540,838 | 1,540,838 | Form 4 |
| 9 | Mathers Edward T 10% Owner | 2026-03-12 20:15:07 | 0 1,540,838 | 1,540,838 | Form 4 |
| 10 | Walker Paul Edward 10% Owner | 2026-03-12 20:15:04 | 0 1,540,838 | 1,540,838 | Form 4 |
| 11 | Lynx1 Capital Management LP Nichols Weston 10% Owner | 2026-04-02 12:01:33 | 1,538,296 0 | 1,538,296 | Form 13G |
| 12 | Alexandria Venture Investments LLC 10% Owner | 2019-10-09 16:52:08 | 956,175 0 | 956,175 | Form 4 |
| 13 | Atlas Venture Opportunity Fund II L.P. Atlas Venture Fund XI L.P. Atlas Venture Associates XI L.P. Atlas Venture Associates XI LLC Atlas Venture Associates Opportunity II LP Atlas Venture Associates Opportunity II LLC 10% Owner | 2023-11-13 16:15:24 | 942,075 0 | 942,075 | Form 13D |
| 14 | Karp Jeffrey M. 10% Owner | 2019-10-02 21:06:40 | 639,476 0 | 639,476 | Form 3 |
| 15 | Flynn James E Deerfield Mgmt L.P. DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C) Deerfield Special Situations Fund L.P. Deerfield Mgmt IV L.P. Deerfield Private Design Fund IV L.P. DEERFIELD PARTNERS L.P. Possible Member of 10% Group 10% Owner | 2019-10-07 16:43:50 | 0 285,714 | 285,714 | Form 4 |
| 16 | Atlas Venture Opportunity Fund II L.P. Atlas Venture Associates Opportunity II LP Atlas Venture Associates Opportunity II LLC 10% Owner | 2024-04-23 17:23:41 | 195,074 0 | 195,074 | Form 4 |
| 17 | Loose Christopher R. Chief Scientific Officer | 2023-07-31 16:01:34 | 183,650 0 | 183,650 | Form 4 |
| 18 | Aiyar Ram President and CEO | 2026-02-03 16:17:03 | 120,000 4,613 | 124,613 | Form 4 |
| 19 | McLean William J. 10% Owner | 2019-10-02 21:46:06 | 111,350 0 | 111,350 | Form 4 |
| 20 | McCubbin Quentin Chief Manufacturing Officer | 2023-01-27 16:38:46 | 105,000 0 | 105,000 | Form 4 |
| 21 | Arnold Wendy S Chief People Officer | 2023-01-27 16:34:14 | 91,000 0 | 91,000 | Form 4 |
| 22 | LeBel Carl Chief Development Officer | 2023-01-27 16:37:17 | 91,000 0 | 91,000 | Form 4 |
| 23 | Colletti Steve Chief Scientific Officer | 2023-11-07 21:17:33 | 86,374 0 | 86,374 | Form 4 |
| 24 | Walker Shelby J. See Remarks | 2023-11-07 21:16:09 | 52,784 0 | 52,784 | Form 4 |
| 25 | Mitrano Richard J. VP Finance & Operations | 2023-08-22 16:21:47 | 48,457 4,032 | 52,489 | Form 4 |
| 26 | FELDMANN CYNTHIA L Director | 2022-08-19 16:09:12 | 44,539 0 | 44,539 | Form 4 |
| 27 | Olugemo Olukemi Chief Medical Officer | 2025-02-05 16:14:52 | 42,000 0 | 42,000 | Form 4 |
| 28 | Chappell Todd Chief Operating Officer | 2026-02-03 16:05:02 | 38,000 0 | 38,000 | Form 4 |
| 29 | Vincent Loic A Chief Scientific Officer | 2026-02-03 16:14:02 | 35,000 0 | 35,000 | Form 4 |
| 30 | Bookman Michael General Counsel and Secretary | 2021-04-22 16:11:36 | 30,000 0 | 30,000 | Form 4 |
| 31 | Hilt Dana Charles Chief Medical Officer | 2021-04-22 16:18:39 | 30,000 0 | 30,000 | Form 4 |
| 32 | Agarwal Vineet Chief Financial Officer | 2025-02-05 16:29:42 | 30,000 0 | 30,000 | Form 4 |
| 33 | BARBERICH TIMOTHY J Director | 2022-08-19 16:09:51 | 29,692 0 | 29,692 | Form 4 |
| 34 | MARCUS JOEL S Director | 2022-08-19 16:08:12 | 29,692 0 | 29,692 | Form 4 |
| 35 | LANGER ROBERT Director | 2022-08-19 16:07:28 | 29,692 0 | 29,692 | Form 4 |
| 36 | Huang Michael Director | 2022-08-19 16:06:42 | 29,692 0 | 29,692 | Form 4 |
| 37 | Cerio Jeffrey General Counsel | 2026-02-03 16:08:03 | 23,000 0 | 23,000 | Form 4 |
| 38 | Dolan Oliver Senior Vice President, Finance | 2026-02-03 16:11:04 | 15,000 0 | 15,000 | Form 4 |
| 39 | COHEN MARC A Director | 2022-06-23 16:19:07 | 14,846 0 | 14,846 | Form 4 |
| 40 | PFREUNDSCHUH PETER P. Chief Financial Officer | 2022-02-23 16:38:36 | 8,927 0 | 8,927 | Form 4 |
| 41 | Meyers Rachel Director | 2025-06-12 16:32:03 | 6,010 0 | 6,010 | Form 4 |
| 42 | Bermingham Nessan Director | 2025-06-12 16:29:03 | 6,010 0 | 6,010 | Form 4 |
| 43 | Knobil Katharine Director | 2025-06-12 16:26:03 | 6,010 0 | 6,010 | Form 4 |
| 44 | FORMELA JEAN FRANCOIS Director | 2025-06-12 16:23:04 | 6,010 0 | 6,010 | Form 4 |
| 45 | PEARSON TIMOTHY R Director | 2025-06-12 16:20:08 | 6,010 0 | 6,010 | Form 4 |
| 46 | Lucchino David L. Director | 2024-06-12 17:15:40 | 5,190 0 | 5,190 | Form 4 |