In the last 12 months, insiders at Caribou Biosciences, Inc. ($CRBU) filed 71 transactions with the SEC: 2 open-market purchases totaling $45,051 and 8 sales totaling $61,909. Net insider sentiment: net selling.
Caribou Biosciences, Inc. operates in the Biological products, (no disgnostic substances) industry (Life sciences sector).
Most Active Insiders
- Kanner Steven (Chief Scientific Officer) — 7 transactions totaling $87,064
- Ryali Sriram (Chief Financial Officer) — 4 transactions totaling $24,651
- Haurwitz Rachel E. (President and CEO) — 7 transactions totaling $20,400
- Khan Ruhi Ahmad (Chief Business Officer) — 8 transactions totaling $18,410
- MCCLUNG BARBARA G (Chief Legal Officer) — 8 transactions totaling $18,410
View all SEC Filings for Caribou Biosciences, Inc. (CRBU).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 25, 2026 | Kelly Timothy P | Chief Technology Officer | S | Common Stock | 6228 | $1.93 | 73,125.0000 | 93,468,038 | 7.85% | 0.01% |
| Feb. 20, 2026 | Albertson Tina M. | Chief Medical Officer | A | Common Stock | 55000 | $0.00 | 69,589.0000 | 93,468,038 | 377.00% | 0.06% |
| Feb. 20, 2026 | Khan Ruhi Ahmad | Chief Business Officer | A | Option to purchase Common Stock | 202500 | $0.00 | 202,500.0000 | 93,468,038 | 9999.99% | 0.22% |
| Feb. 24, 2026 | Khan Ruhi Ahmad | Chief Business Officer | S | Common Stock | 6938 | $1.96 | 104,998.0000 | 93,468,038 | 6.20% | 0.01% |
| Feb. 20, 2026 | Khan Ruhi Ahmad | Chief Business Officer | A | Common Stock | 45000 | $0.00 | 111,936.0000 | 93,468,038 | 67.23% | 0.05% |
| Feb. 20, 2026 | MCCLUNG BARBARA G | Chief Legal Officer | A | Option to purchase Common Stock | 202500 | $0.00 | 202,500.0000 | 93,468,038 | 9999.99% | 0.22% |
| Feb. 24, 2026 | MCCLUNG BARBARA G | Chief Legal Officer | S | Common Stock | 6938 | $1.96 | 481,564.0000 | 93,468,038 | 1.42% | 0.01% |
| Feb. 20, 2026 | MCCLUNG BARBARA G | Chief Legal Officer | A | Common Stock | 45000 | $0.00 | 488,502.0000 | 93,468,038 | 10.15% | 0.05% |
| Feb. 20, 2026 | Kelly Timothy P | Chief Technology Officer | A | Option to purchase Common Stock | 202500 | $0.00 | 202,500.0000 | 93,468,038 | 9999.99% | 0.22% |
| Feb. 24, 2026 | Kelly Timothy P | Chief Technology Officer | S | Common Stock | 3147 | $1.96 | 79,353.0000 | 93,468,038 | 3.81% | 0.00% |
| Feb. 20, 2026 | Kelly Timothy P | Chief Technology Officer | A | Common Stock | 45000 | $0.00 | 82,500.0000 | 93,468,038 | 120.00% | 0.05% |
| Feb. 24, 2026 | Albertson Tina M. | Chief Medical Officer | S | Common Stock | 1066 | $1.96 | 68,523.0000 | 93,468,038 | 1.53% | 0.00% |
| Feb. 20, 2026 | Albertson Tina M. | Chief Medical Officer | A | Option to purchase Common Stock | 247500 | $0.00 | 247,500.0000 | 93,468,038 | 9999.99% | 0.26% |
| Feb. 20, 2026 | Haurwitz Rachel E. | President and CEO | A | Common Stock | 151700 | $0.00 | 3,816,545.0000 | 93,468,038 | 4.14% | 0.16% |
| Feb. 20, 2026 | Ryali Sriram | Chief Financial Officer | A | Option to purchase Common Stock | 247500 | $0.00 | 247,500.0000 | 93,468,038 | 9999.99% | 0.26% |
| Feb. 20, 2026 | Ryali Sriram | Chief Financial Officer | A | Common Stock | 55000 | $0.00 | 72,360.0000 | 93,468,038 | 316.82% | 0.06% |
| Feb. 20, 2026 | Braunstein Scott | Director | A | Option to purchase Common Stock | 45000 | $0.00 | 45,000.0000 | 93,468,038 | 9999.99% | 0.05% |
| Feb. 20, 2026 | GUGGENHIME ANDREW | Director | A | Option to purchase Common Stock | 45000 | $0.00 | 45,000.0000 | 93,468,038 | 9999.99% | 0.05% |
| Feb. 20, 2026 | JOHNSON DAVID LEE | Director | A | Option to purchase Common Stock | 45000 | $0.00 | 45,000.0000 | 93,468,038 | 9999.99% | 0.05% |
| Feb. 20, 2026 | Whiting Nancy | Director | A | Option to purchase Common Stock | 45000 | $0.00 | 45,000.0000 | 93,468,038 | 9999.99% | 0.05% |
| Feb. 20, 2026 | Zheng Ran | Director | A | Option to purchase Common Stock | 45000 | $0.00 | 45,000.0000 | 93,468,038 | 9999.99% | 0.05% |
| Feb. 20, 2026 | Richardson-Heron Dara | Director | A | Option to purchase Common Stock | 45000 | $0.00 | 45,000.0000 | 93,468,038 | 9999.99% | 0.05% |
| Feb. 20, 2026 | Sacks Natalie | Director | A | Option to purchase Common Stock | 45000 | $0.00 | 45,000.0000 | 93,468,038 | 9999.99% | 0.05% |
| Feb. 20, 2026 | Haurwitz Rachel E. | President and CEO | A | Option to purchase Common Stock | 682500 | $0.00 | 682,500.0000 | 93,468,038 | 9999.99% | 0.73% |
| March 14, 2025 | Haurwitz Rachel E. | President and CEO | P | Common Stock | 20000 | $1.02 | 3,664,845.0000 | 93,004,602 | 0.55% | 0.02% |
| Feb. 20, 2025 | Zheng Ran | Director | A | Option to purchase Common Stock | 40500 | $0.00 | 40,500.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2025 | Haurwitz Rachel E. | President and CEO | A | Common Stock | 136750 | $0.00 | 3,644,845.0000 | 0 | 3.90% | 0.00% |
| Feb. 20, 2025 | Haurwitz Rachel E. | President and CEO | A | Option to purchase Common Stock | 618250 | $0.00 | 618,250.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2025 | Albertson Tina M. | Chief Medical Officer | A | Common Stock | 14589 | $0.00 | 14,589.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2025 | Albertson Tina M. | Chief Medical Officer | A | Option to purchase Common Stock | 66137 | $0.00 | 66,137.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2025 | MCCLUNG BARBARA G | Chief Legal Officer | A | Common Stock | 37500 | $0.00 | 447,066.0000 | 0 | 9.16% | 0.00% |
| Feb. 21, 2025 | MCCLUNG BARBARA G | Chief Legal Officer | S | Common Stock | 3564 | $1.35 | 443,502.0000 | 0 | 0.80% | 0.00% |
| Feb. 20, 2025 | MCCLUNG BARBARA G | Chief Legal Officer | A | Option to purchase Common Stock | 170000 | $0.00 | 170,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2025 | Khan Ruhi Ahmad | Chief Business Officer | A | Common Stock | 37500 | $0.00 | 70,500.0000 | 0 | 113.64% | 0.00% |
| Feb. 21, 2025 | Khan Ruhi Ahmad | Chief Business Officer | S | Common Stock | 3564 | $1.35 | 66,936.0000 | 0 | 5.06% | 0.00% |
| Feb. 20, 2025 | Khan Ruhi Ahmad | Chief Business Officer | A | Option to purchase Common Stock | 170000 | $0.00 | 170,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2025 | Kelly Timothy P | Chief Technology Officer | A | Common Stock | 37500 | $0.00 | 37,500.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2025 | Kelly Timothy P | Chief Technology Officer | A | Option to purchase Common Stock | 170000 | $0.00 | 170,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2025 | Kanner Steven | Chief Scientific Officer | A | Common Stock | 37500 | $0.00 | 435,120.0000 | 0 | 9.43% | 0.00% |
| Feb. 21, 2025 | Kanner Steven | Chief Scientific Officer | S | Common Stock | 3564 | $1.35 | 431,556.0000 | 0 | 0.82% | 0.00% |
| Feb. 20, 2025 | Kanner Steven | Chief Scientific Officer | A | Option to purchase Common Stock | 170000 | $0.00 | 170,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2025 | Whiting Nancy | Director | A | Option to purchase Common Stock | 40500 | $0.00 | 40,500.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2025 | Sacks Natalie | Director | A | Option to purchase Common Stock | 40500 | $0.00 | 40,500.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2025 | Richardson-Heron Dara | Director | A | Option to purchase Common Stock | 40500 | $0.00 | 40,500.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2025 | JOHNSON DAVID LEE | Director | A | Option to purchase Common Stock | 40500 | $0.00 | 40,500.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2025 | GUGGENHIME ANDREW | Director | A | Option to purchase Common Stock | 40500 | $0.00 | 40,500.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2025 | Braunstein Scott | Director | A | Option to purchase Common Stock | 40500 | $0.00 | 40,500.0000 | 0 | 9999.99% | 0.00% |
| Jan. 29, 2025 | Ryali Sriram | Chief Financial Officer | P | Common Stock | 17360 | $1.42 | 17,360.0000 | 0 | 9999.99% | 0.00% |
| Jan. 10, 2025 | Ryali Sriram | Chief Financial Officer | A | Option to purchase Common Stock | 300000 | $0.00 | 300,000.0000 | 0 | 9999.99% | 0.00% |
| Nov. 20, 2024 | Fischesser Ryan | VP of Finance and Controller | A | Common Stock | 25000 | $0.00 | 118,854.0000 | 0 | 26.64% | 0.00% |
| Aug. 19, 2024 | Albertson Tina M. | Chief Medical Officer | A | Option to purchase Common Stock | 300000 | $0.00 | 300,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2024 | Richardson-Heron Dara | Director | A | Option to purchase Common Stock | 39500 | $0.00 | 39,500.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2024 | Sacks Natalie | Director | A | Option to purchase Common Stock | 39500 | $0.00 | 39,500.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2024 | Whiting Nancy | Director | A | Option to purchase Common Stock | 39500 | $0.00 | 39,500.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2024 | Zheng Ran | Director | A | Option to purchase Common Stock | 39500 | $0.00 | 39,500.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2024 | Kanner Steven | Chief Scientific Officer | A | Option to purchase Common Stock | 153000 | $0.00 | 153,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2024 | Kanner Steven | Chief Scientific Officer | A | Common Stock | 33000 | $0.00 | 387,037.0000 | 0 | 9.32% | 0.00% |
| Feb. 20, 2024 | Haurwitz Rachel E. | President and CEO | A | Common Stock | 118700 | $0.00 | 3,508,095.0000 | 0 | 3.50% | 0.00% |
| Feb. 20, 2024 | Khan Ruhi Ahmad | Chief Business Officer | A | Option to purchase Common Stock | 153000 | $0.00 | 153,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2024 | Khan Ruhi Ahmad | Chief Business Officer | A | Common Stock | 33000 | $0.00 | 33,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2024 | MCCLUNG BARBARA G | Chief Legal Officer | A | Option to purchase Common Stock | 153000 | $0.00 | 153,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2024 | MCCLUNG BARBARA G | Chief Legal Officer | A | Common Stock | 33000 | $0.00 | 409,566.0000 | 0 | 8.76% | 0.00% |
| Feb. 20, 2024 | O'Byrne Jason | Chief Financial Officer | A | Option to purchase Common Stock | 153000 | $0.00 | 153,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2024 | O'Byrne Jason | Chief Financial Officer | A | Common Stock | 33000 | $0.00 | 59,224.0000 | 0 | 125.84% | 0.00% |
| Feb. 20, 2024 | Haurwitz Rachel E. | President and CEO | A | Option to purchase Common Stock | 546950 | $0.00 | 546,950.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2024 | Braunstein Scott | Director | A | Option to purchase Common Stock | 39500 | $0.00 | 39,500.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2024 | GUGGENHIME ANDREW | Director | A | Option to purchase Common Stock | 39500 | $0.00 | 39,500.0000 | 0 | 9999.99% | 0.00% |
| Feb. 20, 2024 | JOHNSON DAVID LEE | Director | A | Option to purchase Common Stock | 39500 | $0.00 | 39,500.0000 | 0 | 9999.99% | 0.00% |
| Feb. 6, 2024 | Kanner Steven | Chief Scientific Officer | M | Common Stock | 30577 | $2.69 | 354,037.0000 | 0 | 9.45% | 0.00% |
| Feb. 6, 2024 | Kanner Steven | Chief Scientific Officer | M | Option to purchase Common Stock | 30577 | $0.00 | 21,623.0000 | 0 | 58.58% | 0.00% |
| Jan. 8, 2024 | Kelly Timothy P | Chief Technology Officer | A | Option to purchase Common Stock | 300000 | $0.00 | 300,000.0000 | 0 | 9999.99% | 0.00% |