Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- 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>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2023-01-19 Sale | 2023-01-20 4:13 pm | Caribou Biosciences Inc. | CRBU | Rizvi Syed Ali-aamir Chief Medical Officer | 5,627 | $6.31 | $35,506 | 59,373 (Direct) | View |
| 2022-10-06 Sale | 2022-10-07 5:13 pm | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 10,000 | $10.8 | $107,958 | 133,085 (Direct) | View |
| 2022-08-25 Sale | 2022-08-26 5:42 pm | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 43,248 | $11.22 | $485,221 | 375,660 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
Ownership | 2024-10-04 4:02 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 0 | $0 | 230,919 (Direct) | View |
| 2024-08-19 Option Award | 2024-08-20 4:07 pm | N/A 2034-08-18 | Caribou Biosciences Inc. | CRBU | Albertson Tina M. Chief Medical Officer | 300,000 | $0 | 300,000 (Direct) | View |
| 2024-02-20 Option Award | 2024-02-22 5:28 pm | N/A 2034-02-19 | Caribou Biosciences Inc. | CRBU | O'Byrne Jason Chief Financial Officer | 186,000 | $0 | 212,224 (Direct) | View |
| 2024-02-20 Option Award | 2024-02-22 5:24 pm | N/A 2034-02-19 | Caribou Biosciences Inc. | CRBU | MCCLUNG BARBARA G Chief Legal Officer | 186,000 | $0 | 562,566 (Direct) | View |
| 2024-02-20 Option Award | 2024-02-22 5:21 pm | N/A 2034-02-19 | Caribou Biosciences Inc. | CRBU | Khan Ruhi Ahmad Chief Business Officer | 186,000 | $0 | 186,000 (Direct) | View |
| 2024-02-20 Option Award | 2024-02-22 5:18 pm | N/A 2034-02-19 | Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO | 665,650 | $0 | 4,055,045 (Direct) | View |
| 2024-02-20 Option Award | 2024-02-22 5:15 pm | N/A 2034-02-19 | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 186,000 | $0 | 540,037 (Direct) | View |
| 2024-02-20 Option Award | 2024-02-22 5:12 pm | N/A 2034-02-19 | Caribou Biosciences Inc. | CRBU | Zheng Ran Director | 39,500 | $0 | 39,500 (Direct) | View |
| 2024-02-20 Option Award | 2024-02-22 5:10 pm | N/A 2034-02-19 | Caribou Biosciences Inc. | CRBU | Whiting Nancy Director | 39,500 | $0 | 39,500 (Direct) | View |
| 2024-02-20 Option Award | 2024-02-22 5:08 pm | N/A 2034-02-19 | Caribou Biosciences Inc. | CRBU | Sacks Natalie Director | 39,500 | $0 | 39,500 (Direct) | View |
| 2024-02-20 Option Award | 2024-02-22 5:06 pm | N/A 2034-02-19 | Caribou Biosciences Inc. | CRBU | Richardson-Heron Dara Director | 39,500 | $0 | 39,500 (Direct) | View |
| 2024-02-20 Option Award | 2024-02-22 5:01 pm | N/A 2034-02-19 | Caribou Biosciences Inc. | CRBU | JOHNSON DAVID LEE Director | 39,500 | $0 | 39,500 (Direct) | View |
| 2024-02-20 Option Award | 2024-02-22 4:57 pm | N/A 2034-02-19 | Caribou Biosciences Inc. | CRBU | GUGGENHIME ANDREW Director | 39,500 | $0 | 39,500 (Direct) | View |
| 2024-02-20 Option Award | 2024-02-22 4:54 pm | N/A 2034-02-19 | Caribou Biosciences Inc. | CRBU | Braunstein Scott Director | 39,500 | $0 | 39,500 (Direct) | View |
| 2024-02-06 Exercise | 2024-02-08 5:06 pm | N/A 2029-09-30 | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 30,577 | $0 | 375,660 (Direct) | View |
| 2024-02-06 Exercise | 2024-02-08 5:06 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 30,577 | $2.69 | 375,660 (Direct) | View |
| 2024-01-08 Option Award | 2024-01-09 4:10 pm | N/A 2034-01-07 | Caribou Biosciences Inc. | CRBU | Kelly Timothy P Chief Technology Officer | 300,000 | $0 | 300,000 (Direct) | View |
| 2023-06-08 Exercise | 2023-06-09 4:31 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO | 10,000 | $2.96 | 3,485,745 (Direct) | View |
| 2023-06-08 Exercise | 2023-06-09 4:31 pm | N/A 2023-06-11 | Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO | 10,000 | $0 | 3,485,745 (Direct) | View |
| 2023-03-20 Exercise | 2023-03-22 4:16 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO | 10,000 | $2.96 | 3,485,745 (Direct) | View |
| 2023-03-20 Exercise | 2023-03-22 4:16 pm | N/A 2023-06-11 | Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO | 10,000 | $0 | 3,485,745 (Direct) | View |
| 2023-02-21 Option Award | 2023-02-23 5:14 pm | N/A 2033-02-20 | Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO | 510,500 | $0 | 510,500 (Direct) | View |
| 2023-02-21 Option Award | 2023-02-23 5:13 pm | N/A 2033-02-20 | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 131,000 | $0 | 131,000 (Direct) | View |
| 2023-02-21 Option Award | 2023-02-23 5:12 pm | N/A 2033-02-20 | Caribou Biosciences Inc. | CRBU | Richardson-Heron Dara Director | 21,500 | $0 | 21,500 (Direct) | View |
| 2023-02-21 Option Award | 2023-02-23 5:12 pm | N/A 2033-02-20 | Caribou Biosciences Inc. | CRBU | Khan Ruhi Ahmad Chief Business Officer | 131,000 | $0 | 131,000 (Direct) | View |
| 2023-02-21 Option Award | 2023-02-23 5:12 pm | N/A 2033-02-20 | Caribou Biosciences Inc. | CRBU | Sacks Natalie Director | 21,500 | $0 | 21,500 (Direct) | View |
| 2023-02-21 Option Award | 2023-02-23 5:11 pm | N/A 2033-02-20 | Caribou Biosciences Inc. | CRBU | Braunstein Scott Director | 21,500 | $0 | 21,500 (Direct) | View |
| 2023-02-21 Option Award | 2023-02-23 5:10 pm | N/A 2033-02-20 | Caribou Biosciences Inc. | CRBU | GUGGENHIME ANDREW Director | 21,500 | $0 | 21,500 (Direct) | View |
| 2023-02-21 Option Award | 2023-02-23 5:10 pm | N/A 2033-02-20 | Caribou Biosciences Inc. | CRBU | MCCLUNG BARBARA G Chief Legal Officer | 131,000 | $0 | 131,000 (Direct) | View |
| 2023-02-21 Option Award | 2023-02-23 5:09 pm | N/A 2033-02-20 | Caribou Biosciences Inc. | CRBU | Rizvi Syed Ali-aamir Chief Medical Officer | 131,000 | $0 | 131,000 (Direct) | View |
| 2023-02-21 Option Award | 2023-02-23 5:09 pm | N/A 2033-02-20 | Caribou Biosciences Inc. | CRBU | Zheng Ran Director | 21,500 | $0 | 21,500 (Direct) | View |
| 2023-02-21 Option Award | 2023-02-23 4:48 pm | N/A 2033-02-20 | Caribou Biosciences Inc. | CRBU | Whiting Nancy Director | 21,500 | $0 | 21,500 (Direct) | View |
| 2023-02-21 Option Award | 2023-02-23 4:47 pm | N/A 2033-02-20 | Caribou Biosciences Inc. | CRBU | O'Byrne Jason Chief Financial Officer | 131,000 | $0 | 131,000 (Direct) | View |
| 2023-02-21 Option Award | 2023-02-23 4:46 pm | N/A 2033-02-20 | Caribou Biosciences Inc. | CRBU | JOHNSON DAVID LEE Director | 21,500 | $0 | 21,500 (Direct) | View |
| 2022-12-02 Exercise | 2022-12-02 7:01 pm | N/A 2029-09-30 | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 21,401 | $2.69 | 375,660 (Direct) | View |
| 2022-10-06 Exercise | 2022-10-07 5:13 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 2,839 | $4.11 | 133,085 (Direct) | View |
| 2022-10-06 Exercise | 2022-10-07 5:13 pm | N/A 2029-03-18 | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 5,678 | $0 | 133,085 (Direct) | View |
| 2022-10-06 Exercise | 2022-10-07 5:13 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 2,839 | $2.69 | 133,085 (Direct) | View |
| 2022-09-15 Exercise | 2022-09-16 4:14 pm | N/A 2028-06-11 | Caribou Biosciences Inc. | CRBU | MCCLUNG BARBARA G Chief Legal Officer | 27,595 | $0 | 423,884 (Direct) | View |
| 2022-09-15 Exercise | 2022-09-16 4:14 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | MCCLUNG BARBARA G Chief Legal Officer | 27,595 | $2.69 | 423,884 (Direct) | View |
| 2022-08-25 Exercise | 2022-08-26 5:42 pm | N/A 2029-09-30 | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 43,248 | $0 | 375,660 (Direct) | View |
| 2022-08-25 Exercise | 2022-08-26 5:42 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 43,248 | $2.69 | 375,660 (Direct) | View |
| 2022-08-22 Option Award | 2022-08-24 5:29 pm | N/A 2032-08-21 | Caribou Biosciences Inc. | CRBU | Khan Ruhi Ahmad Chief Business Officer | 70,000 | $0 | 70,000 (Direct) | View |