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 |
| 2022-01-11 Purchase | 2022-01-12 4:35 pm | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 7,387 | $4.0006 | $29,553 | 136,349 (Direct) | View |
| 2021-12-20 Purchase | 2021-12-21 5:23 pm | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 1,136 | $2.69 | $3,056 | 149,079 (Direct) | View |
| 2021-12-07 Purchase | 2021-12-08 6:06 pm | Caribou Biosciences Inc. | CRBU | MCCLUNG BARBARA G Chief Legal Officer | 6,127 | $2.69 | $16,482 | 423,884 (Direct) | View |
| 2021-10-20 Purchase | 2021-10-21 6:12 pm | Caribou Biosciences Inc. | CRBU | MCCLUNG BARBARA G Chief Legal Officer | 9,219 | $2.69 | $24,799 | 423,884 (Direct) | View |
| 2021-10-12 Purchase | 2021-10-13 7:31 pm | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 114,860 | $1.922 | $220,757 | 423,884 (Direct) | View |
| 2021-10-11 Purchase | 2021-10-12 7:33 pm | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 1,746 | $2.69 | $4,697 | 109,079 (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 |
| 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 | $2.69 | 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 | $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 |
| 2022-09-15 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 |
| 2022-09-15 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 |
| 2022-08-25 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 |
| 2022-08-25 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 |
| 2022-08-22 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 |
| 2022-08-22 Option Award | 2022-08-24 5:25 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 4,848 | $0 | 120,366 (Direct) | View |
| 2022-05-18 Option Award | 2022-05-18 8:38 pm | N/A 2032-05-17 | Caribou Biosciences Inc. | CRBU | JOHNSON DAVID LEE Director | 44,000 | $0 | 44,000 (Direct) | View |
| 2022-05-13 Exercise | 2022-05-17 8:51 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 6,114 | $2.69 | 422,442 (Direct) | View |
| 2022-05-13 Exercise | 2022-05-17 8:51 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 68,306 | $1.81 | 422,442 (Direct) | View |
| 2022-05-13 Exercise | 2022-05-17 8:51 pm | N/A 2027-07-11 | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 74,420 | $0 | 422,442 (Direct) | View |
| 2022-05-09 Exercise | 2022-05-10 7:32 pm | N/A 2023-06-11 | Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO | 10,000 | $0 | 3,485,745 (Direct) | View |
| 2022-05-09 Exercise | 2022-05-10 7:32 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO | 10,000 | $2.96 | 3,485,745 (Direct) | View |
| 2022-01-26(A) Exercise | 2022-05-10 7:29 pm | N/A 2023-06-11 | Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO | 10,000 | $0 | 3,485,745 (Direct) | View |
| 2022-01-26(A) Exercise | 2022-05-10 7:29 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO | 10,000 | $2.96 | 3,485,745 (Direct) | View |
| 2022-05-05 Exercise | 2022-05-06 7:28 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 1,136 | $2.69 | 138,237 (Direct) | View |
| 2022-05-05 Exercise | 2022-05-06 7:28 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 1,138 | $4.11 | 138,237 (Direct) | View |
| 2022-05-05 Exercise | 2022-05-06 7:28 pm | N/A 2029-03-18 | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 2,274 | $0 | 138,237 (Direct) | View |
| 2022-03-15 Exercise | 2022-03-17 7:14 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 1,136 | $2.69 | 138,237 (Direct) | View |
| 2022-03-15 Exercise | 2022-03-17 7:14 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 1,138 | $4.11 | 138,237 (Direct) | View |
| 2022-03-15 Exercise | 2022-03-17 7:14 pm | N/A 2029-03-18 | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 2,274 | $0 | 138,237 (Direct) | View |
| 2022-03-04 Exercise | 2022-03-07 7:58 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 9,171 | $2.69 | 580,967 (Direct) | View |
| 2022-03-04 Exercise | 2022-03-07 7:58 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 1,549 | $4.11 | 580,967 (Direct) | View |
| 2022-03-04 Exercise | 2022-03-07 7:58 pm | N/A 2029-09-30 | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 10,720 | $0 | 580,967 (Direct) | View |
| 2021-12-31 Ownership | 2022-02-09 4:25 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO | 3,349,395 | $0 | 3,349,395 (Direct) | View |
| 2022-02-08 Exercise | 2022-02-08 7:27 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | O'Byrne Jason Chief Financial Officer | 24,336 | $4.11 | 437,201 (Direct) | View |
| 2022-02-08 Exercise | 2022-02-08 7:27 pm | N/A 2031-03-29 | Caribou Biosciences Inc. | CRBU | O'Byrne Jason Chief Financial Officer | 24,336 | $0 | 437,201 (Direct) | View |
| 2022-01-26 Exercise | 2022-01-27 4:41 pm | N/A 2023-06-11 | Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO | 10,000 | $0 | 3,485,745 (Direct) | View |
| 2022-01-26 Exercise | 2022-01-27 4:41 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO | 10,000 | $2.96 | 3,485,745 (Direct) | View |
| 2022-01-25 Option Award | 2022-01-25 7:56 pm | N/A 2032-01-24 | Caribou Biosciences Inc. | CRBU | Rizvi Syed Ali-aamir Chief Medical Officer | 221,250 | $0 | 226,250 (Direct) | View |
| 2022-01-18 Ownership | 2022-01-24 4:30 pm | N/A N/A | Caribou Biosciences Inc. | CRBU | Rizvi Syed Ali-aamir Chief Medical Officer | 0 | $0 | 5,000 (Direct) | View |
| 2022-01-11 Exercise | 2022-01-12 4:35 pm | N/A 2029-03-18 | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 7,387 | $0 | 136,349 (Direct) | View |
| 2021-12-20(A) Option Award | 2021-12-22 9:17 pm | N/A 2031-12-19 | Caribou Biosciences Inc. | CRBU | Whiting Nancy Director | 13,060 | $0 | 13,060 (Direct) | View |
| 2021-12-20 Option Award | 2021-12-21 5:43 pm | N/A 2031-12-19 | Caribou Biosciences Inc. | CRBU | Zheng Ran Director | 13,750 | $0 | 13,750 (Direct) | View |
| 2021-12-20 Option Award | 2021-12-21 5:41 pm | N/A 2031-12-19 | Caribou Biosciences Inc. | CRBU | Whiting Nancy Director | 13,750 | $0 | 13,750 (Direct) | View |
| 2021-12-20 Option Award | 2021-12-21 5:38 pm | N/A 2031-12-19 | Caribou Biosciences Inc. | CRBU | Sacks Natalie Director | 27,500 | $0 | 27,500 (Direct) | View |
| 2021-12-20 Option Award | 2021-12-21 5:35 pm | N/A 2031-12-19 | Caribou Biosciences Inc. | CRBU | O'Byrne Jason Chief Financial Officer | 147,000 | $0 | 147,000 (Direct) | View |
| 2021-12-20 Option Award | 2021-12-21 5:31 pm | N/A 2031-12-19 | Caribou Biosciences Inc. | CRBU | MCCLUNG BARBARA G Chief Legal Officer | 147,000 | $0 | 147,000 (Direct) | View |
| 2021-12-20 Option Award | 2021-12-21 5:29 pm | N/A 2031-12-19 | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 147,000 | $0 | 147,000 (Direct) | View |
| 2021-12-20 Option Award | 2021-12-21 5:27 pm | N/A 2031-12-19 | Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO | 411,000 | $0 | 411,000 (Direct) | View |
| 2021-12-20 Option Award | 2021-12-21 5:25 pm | N/A 2031-12-19 | Caribou Biosciences Inc. | CRBU | GUGGENHIME ANDREW Director | 27,500 | $0 | 27,500 (Direct) | View |
| 2021-12-20 Option Award | 2021-12-21 5:23 pm | N/A 2031-12-19 | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 40,000 | $0 | 149,079 (Direct) | View |
| 2021-12-20 Exercise | 2021-12-21 5:23 pm | N/A 2029-03-18 | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 1,136 | $0 | 149,079 (Direct) | View |
| 2021-12-20 Option Award | 2021-12-21 5:20 pm | N/A 2031-12-19 | Caribou Biosciences Inc. | CRBU | Braunstein Scott Director | 27,500 | $0 | 27,500 (Direct) | View |
| 2021-12-07 Exercise | 2021-12-08 6:06 pm | N/A 2028-06-11 | Caribou Biosciences Inc. | CRBU | MCCLUNG BARBARA G Chief Legal Officer | 6,127 | $0 | 423,884 (Direct) | View |
| 2021-11-15 Option Award | 2021-11-16 6:58 pm | N/A 2031-11-14 | Caribou Biosciences Inc. | CRBU | Khan Ruhi Ahmad Chief Business Officer | 225,000 | $0 | 225,000 (Direct) | View |
| 2021-11-11 Option Award | 2021-11-15 4:57 pm | N/A 2031-11-10 | Caribou Biosciences Inc. | CRBU | Richardson-Heron Dara Director | 44,000 | $0 | 44,000 (Direct) | View |
| 2021-10-20 Exercise | 2021-10-21 6:12 pm | N/A 2029-09-30 | Caribou Biosciences Inc. | CRBU | MCCLUNG BARBARA G Chief Legal Officer | 9,219 | $0 | 423,884 (Direct) | View |
| 2021-10-12 Exercise | 2021-10-13 7:31 pm | N/A 2027-07-11 | Caribou Biosciences Inc. | CRBU | Kanner Steven Chief Scientific Officer | 114,860 | $0 | 423,884 (Direct) | View |
| 2021-10-11 Exercise | 2021-10-12 7:33 pm | N/A 2029-03-18 | Caribou Biosciences Inc. | CRBU | Fischesser Ryan VP of Finance and Controller | 1,746 | $0 | 109,079 (Direct) | View |