List of insiders holdings for Caribou Biosciences, 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 | Haurwitz Rachel E. President and CEO | 2026-02-20 17:26:26 | 1,129,650 3,369,395 | 4,499,045 | Form 4 |
| 2 | FMR LLC See Remark 1 | 2023-02-09 08:14:52 | 1,443,046 0 | 1,443,046 | Form 13G |
| 3 | MCCLUNG BARBARA G Chief Legal Officer | 2026-02-24 20:54:36 | 684,064 0 | 684,064 | Form 4 |
| 4 | Kanner Steven Chief Scientific Officer | 2025-02-21 20:18:15 | 601,556 0 | 601,556 | Form 4 |
| 5 | Ryali Sriram Chief Financial Officer | 2026-02-20 17:26:37 | 319,860 0 | 319,860 | Form 4 |
| 6 | Albertson Tina M. Chief Medical Officer | 2026-02-24 20:53:47 | 316,023 0 | 316,023 | Form 4 |
| 7 | Khan Ruhi Ahmad Chief Business Officer | 2026-02-24 20:54:04 | 307,498 0 | 307,498 | Form 4 |
| 8 | O'Byrne Jason Chief Financial Officer | 2024-02-22 17:28:33 | 212,224 0 | 212,224 | Form 4 |
| 9 | Rizvi Syed Ali-aamir Chief Medical Officer | 2023-02-23 17:09:37 | 131,000 0 | 131,000 | Form 4 |
| 10 | Fischesser Ryan VP of Finance and Controller | 2024-11-22 16:01:32 | 118,854 0 | 118,854 | Form 4 |
| 11 | Kelly Timothy P Chief Technology Officer | 2026-02-27 16:01:13 | 73,125 0 | 73,125 | Form 4 |
| 12 | Sacks Natalie Director | 2026-02-20 17:28:08 | 45,000 0 | 45,000 | Form 4 |
| 13 | Whiting Nancy Director | 2026-02-20 17:28:13 | 45,000 0 | 45,000 | Form 4 |
| 14 | Zheng Ran Director | 2026-02-20 17:28:17 | 45,000 0 | 45,000 | Form 4 |
| 15 | Richardson-Heron Dara Director | 2026-02-20 17:27:53 | 45,000 0 | 45,000 | Form 4 |
| 16 | JOHNSON DAVID LEE Director | 2026-02-20 17:27:42 | 45,000 0 | 45,000 | Form 4 |
| 17 | GUGGENHIME ANDREW Director | 2026-02-20 17:27:35 | 45,000 0 | 45,000 | Form 4 |
| 18 | Braunstein Scott Director | 2026-02-20 17:27:05 | 45,000 0 | 45,000 | Form 4 |
| 19 | Long-McGie Jeffrey Stephen Director | 2021-07-22 20:58:16 | 0 0 | 0 | Form 3 |