Companies / Caribou Biosciences, Inc. / Activity
Activity — Caribou Biosciences, Inc.
24 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Feb 24, 2026 | Khan Ruhi Ahmad Executive | Sell | Common Stock | $13.6K | -7K -6.20% | 104,998 0.11% of shares | low |
| Feb 24, 2026 | McClung Barbara G Executive | Sell | Common Stock | $13.6K | -7K -1.42% | 481,564 0.49% of shares | low |
| Feb 25, 2026 | Kelly Timothy P Executive | Sell | Common Stock | $12.0K | -6K -7.85% | 73,125 0.07% of shares | low |
| Feb 24, 2026 | Kelly Timothy P Executive | Sell | Common Stock | $6.2K | -3K -3.81% | 79,353 0.08% of shares | low |
| Feb 24, 2026 | Albertson Tina M. Executive | Sell | Common Stock | $2.1K | -1K -1.53% | 68,523 0.07% of shares | low |
| Feb 20, 2026 | Ryali Sriram Executive | Grant | Common Stock | $0 | +55K +316.82% | 72,360 0.07% of shares | low |
| Feb 20, 2026 | Kelly Timothy P Executive | Grant | Common Stock | $0 | +45K +120.00% | 82,500 0.08% of shares | low |
| Feb 20, 2026 | Haurwitz Rachel E. CEO | Grant | Common Stock | $0 | +152K +51.35% | 447,150 0.45% of shares | low |
| Feb 20, 2026 | Albertson Tina M. Executive | Grant | Common Stock | $0 | +55K +377.00% | 69,589 0.07% of shares | low |
| Feb 20, 2026 | Khan Ruhi Ahmad Executive | Grant | Common Stock | $0 | +45K +67.23% | 111,936 0.11% of shares | low |
| Feb 20, 2026 | McClung Barbara G Executive | Grant | Common Stock | $0 | +45K +10.15% | 488,502 0.49% of shares | low |
| Feb 20, 2026 | Ryali Sriram Executive | Grant | Option to purchase Common Stock | — | +248K | 247,500 0.25% of shares | low |
| Feb 20, 2026 | Kelly Timothy P Executive | Grant | Option to purchase Common Stock | — | +203K | 202,500 0.20% of shares | low |
| Feb 20, 2026 | Johnson David Lee Director | Grant | Option to purchase Common Stock | — | +45K | 45,000 0.05% of shares | low |
| Feb 20, 2026 | Sacks Natalie Director | Grant | Option to purchase Common Stock | — | +45K | 45,000 0.05% of shares | low |
| Feb 20, 2026 | Haurwitz Rachel E. CEO | Grant | Option to purchase Common Stock | — | +683K | 682,500 0.69% of shares | low |
| Feb 20, 2026 | Braunstein Scott Director | Grant | Option to purchase Common Stock | — | +45K | 45,000 0.05% of shares | low |
| Feb 20, 2026 | Albertson Tina M. Executive | Grant | Option to purchase Common Stock | — | +248K | 247,500 0.25% of shares | low |
| Feb 20, 2026 | Khan Ruhi Ahmad Executive | Grant | Option to purchase Common Stock | — | +203K | 202,500 0.20% of shares | low |
| Feb 20, 2026 | McClung Barbara G Executive | Grant | Option to purchase Common Stock | — | +203K | 202,500 0.20% of shares | low |
| Feb 20, 2026 | Richardson-Heron Dara Director | Grant | Option to purchase Common Stock | — | +45K | 45,000 0.05% of shares | low |
| Feb 20, 2026 | Zheng Ran Director | Grant | Option to purchase Common Stock | — | +45K | 45,000 0.05% of shares | low |
| Feb 20, 2026 | Whiting Nancy Director | Grant | Option to purchase Common Stock | — | +45K | 45,000 0.05% of shares | low |
| Feb 20, 2026 | Guggenhime Andrew Director | Grant | Option to purchase Common Stock | — | +45K | 45,000 0.05% of shares | low |