Rachel E. Haurwitz
President and CEO at Caribou Biosciences Inc.
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Caribou Biosciences Inc., 3 years.
Caribou Biosciences Inc.
Director · President and CEO
Seer Inc.
Director
Chief executive roles
Caribou Biosciences Inc.
· President and CEO
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Feb 20, 2026 | Caribou Biosciences Inc. | Grant or award | +151,700 | — | — |
| Mar 14, 2025 | Caribou Biosciences Inc. | Open-market purchase | +20,000 | $1.02 | $20,400 |
| Feb 20, 2025 | Caribou Biosciences Inc. | Grant or award | +136,750 | — | — |
| Jun 12, 2024 | Seer Inc. | Grant or award | +58,178 | — | — |
| Feb 20, 2024 | Caribou Biosciences Inc. | Grant or award | +118,700 | — | — |
| Jun 14, 2023 | Seer Inc. | Grant or award | +23,443 | — | — |
| Jun 8, 2023 | Caribou Biosciences Inc. | Option exercise | +10,000 | $2.96 | $29,600 |
| Mar 20, 2023 | Caribou Biosciences Inc. | Option exercise | +10,000 | $2.96 | $29,600 |
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