Caribou Biosciences Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Caribou Biosciences Inc.
- Ownership
- Public
- Status
- Active
- Headquarters country
- United States
- Ticker symbol
- CRBU
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001619856
Board of directors
-
Andrew Guggenhime · DirectorSince 2023
-
Dara Richardson-Heron · DirectorSince 2023
-
David Lee Johnson · DirectorSince 2023
-
Nancy Whiting · DirectorSince 2023
-
Natalie Sacks · DirectorSince 2023
-
Rachel E. Haurwitz · Director · President and CEOSince 2023
-
Ran Zheng · DirectorSince 2023
-
Scott Braunstein · DirectorSince 2023
Chief executives
Rachel E. Haurwitz
· President and CEO
Dates unknown
Board connections
2 of this board's directors also sit on 2 other boards.
- via Nancy Whiting
- via Rachel E. Haurwitz
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.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 14, 2025 | Rachel E. Haurwitz Director, Officer (President and CEO) | Open-market purchase | +20,000 | $1.02 | $20,400 |
| Feb 21, 2025 | MCCLUNG BARBARA G Officer (Chief Legal Officer) | Open-market sale | −3,564 | $1.35 | $4,811 |
| Feb 21, 2025 | Khan Ruhi Ahmad Officer (Chief Business Officer) | Open-market sale | −3,564 | $1.35 | $4,811 |
| Feb 21, 2025 | Kanner Steven Officer (Chief Scientific Officer) | Open-market sale | −3,564 | $1.35 | $4,811 |
| Feb 20, 2025 | Rachel E. Haurwitz Director, Officer (President and CEO) | Grant or award | +136,750 | — | — |
| Feb 20, 2025 | Albertson Tina M. Officer (Chief Medical Officer) | Grant or award | +14,589 | — | — |
| Feb 20, 2025 | MCCLUNG BARBARA G Officer (Chief Legal Officer) | Grant or award | +37,500 | — | — |
| Feb 20, 2025 | Khan Ruhi Ahmad Officer (Chief Business Officer) | Grant or award | +37,500 | — | — |
| Feb 20, 2025 | Kelly Timothy P Officer (Chief Technology Officer) | Grant or award | +37,500 | — | — |
| Feb 20, 2025 | Kanner Steven Officer (Chief Scientific Officer) | Grant or award | +37,500 | — | — |
| Jan 29, 2025 | Ryali Sriram Officer (Chief Financial Officer) | Open-market purchase | +17,360 | $1.42 | $24,651 |
| Nov 20, 2024 | Fischesser Ryan Officer (VP of Finance and Controller) | Grant or award | +25,000 | — | — |
| Feb 20, 2024 | O'Byrne Jason Officer (Chief Financial Officer) | Grant or award | +33,000 | — | — |
| Feb 20, 2024 | MCCLUNG BARBARA G Officer (Chief Legal Officer) | Grant or award | +33,000 | — | — |
| Feb 20, 2024 | Khan Ruhi Ahmad Officer (Chief Business Officer) | Grant or award | +33,000 | — | — |
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