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 |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
| 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 | $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 N/A |
Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO |
10,000 | $2.96 | 3,485,745 (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 |
| 2022-01-26 Exercise(A) |
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 |
| 2022-01-26 Exercise(A) |
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 |
| 2022-05-05 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 |
| 2021-09-27 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 N/A |
Caribou Biosciences Inc. | CRBU | Haurwitz Rachel E. President and CEO |
10,000 | $2.96 | 3,485,745 (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 |
| 2022-01-25 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 |
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 Option Award(A) |
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 |