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 |
2024-02-27 Sale |
2024-02-28 9:56 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
1,000 | $193.35 | $193,350 | 87,367 (Direct) |
View |
2023-08-29 Sale |
2023-08-30 4:06 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
850 | $171.38 | $145,673 | 83,741 (Direct) |
View |
2022-09-09 Sale |
2022-09-09 4:14 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
775 | $227.17 | $176,057 | 76,401 (Direct) |
View |
2022-05-25 Sale |
2022-05-26 5:17 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
14,715 | $150.51 | $2,214,819 | 76,532 (Direct) |
View |
2021-11-10 Sale |
2021-11-12 5:12 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
4,783 | $263.93 | $1,262,355 | 91,247 (Direct) |
View |
2021-11-02 Sale |
2021-11-04 5:41 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
2,400 | $303.94 | $729,467 | 91,247 (Direct) |
View |
2021-09-14 Sale |
2021-09-15 5:46 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
274 | $294.26 | $80,628 | 93,647 (Direct) |
View |
2021-09-01 Sale |
2021-09-02 4:29 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
3,459 | $283.91 | $982,058 | 93,921 (Direct) |
View |
2021-08-17 Sale |
2021-08-19 4:42 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
18,956 | $254.18 | $4,818,219 | 93,921 (Direct) |
View |
2021-07-20 Sale |
2021-07-22 8:25 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
4,585 | $202.09 | $926,605 | 112,877 (Direct) |
View |
2021-07-13 Sale(A) |
2021-07-22 6:53 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
1,520 | $202.23 | $307,395 | 117,462 (Direct) |
View |
2021-07-13 Sale |
2021-07-15 5:17 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
1,520 | $202.23 | $307,390 | 117,462 (Direct) |
View |
2021-05-11 Sale |
2021-05-13 5:01 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
285 | $176.85 | $50,402 | 115,449 (Direct) |
View |
2021-05-04 Purchase |
2021-05-06 4:29 pm |
Vaccitech plc | VACC | DAWES KAREN A Director |
1,700 | $17 | $28,900 | 1,700 (Direct) |
View |
2020-06-18 Sale |
2020-06-22 4:42 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
18,705 | $115.2 | $2,154,851 | 100,734 (Direct) |
View |
2020-05-20 Sale |
2020-05-21 9:08 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
517 | $139.44 | $72,093 | 119,439 (Direct) |
View |
2020-05-18 Sale(A) |
2020-05-21 9:06 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
1,600 | $137.78 | $220,448 | 121,717 (Direct) |
View |
2020-05-18 Sale |
2020-05-19 8:46 pm |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
1,600 | $137.78 | $220,448 | 121,717 (Direct) |
View |
2020-05-08 Sale |
2020-05-11 8:23 pm |
Assertio Therapeutics Inc | ASRT | DAWES KAREN A Director |
15,834 | $0.7914 | $12,531 | 84,589 (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 |
2024-06-14 Exercise |
2024-06-14 5:33 pm |
N/A N/A |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
2,953 | $67.71 | 88,170 (Direct) |
View |
2024-06-14 Exercise |
2024-06-14 5:33 pm |
N/A 2029-05-15 |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
2,953 | $0 | 88,170 (Direct) |
View |
2024-05-16 Option Award |
2024-05-20 6:50 pm |
2025-05-16 2034-05-16 |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
2,379 | $0 | 89,746 (Direct) |
View |
2024-05-10 Option Award |
2024-05-14 4:23 pm |
N/A 2034-05-10 |
Barinthus Biotherapeutics plc. | BRNS | DAWES KAREN A Director |
19,516 | $0 | 19,516 (Direct) |
View |
2024-02-27 Exercise |
2024-02-28 9:56 pm |
N/A N/A |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
4,626 | $42.07 | 87,367 (Direct) |
View |
2024-02-27 Exercise |
2024-02-28 9:56 pm |
N/A 2028-05-16 |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
4,626 | $0 | 87,367 (Direct) |
View |
2023-08-29 Exercise |
2023-08-30 4:06 pm |
N/A N/A |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
7,392 | $18.12 | 83,741 (Direct) |
View |
2023-08-29 Exercise |
2023-08-30 4:06 pm |
N/A 2024-05-15 |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
7,392 | $0 | 83,741 (Direct) |
View |
2023-05-18 Option Award |
2023-05-22 9:26 pm |
2024-05-18 2033-05-18 |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
2,528 | $0 | 78,929 (Direct) |
View |
2023-05-11 Option Award |
2023-05-12 4:05 pm |
N/A 2033-05-11 |
Vaccitech plc | VACC | DAWES KAREN A Director |
19,197 | $0 | 19,197 (Direct) |
View |
2022-06-15 Ownership |
2023-02-10 4:34 pm |
N/A 2032-06-15 |
Vaccitech plc | VACC | DAWES KAREN A Director |
18,604 | $0 | 18,604 (Direct) |
View |
2022-05-26 Option Award |
2022-05-31 8:21 pm |
2023-05-26 2032-05-26 |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
2,209 | $0 | 78,741 (Direct) |
View |
2021-11-10 Exercise |
2021-11-12 5:12 pm |
N/A 2026-05-11 |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
4,783 | $0 | 91,247 (Direct) |
View |
2021-11-10 Exercise |
2021-11-12 5:12 pm |
N/A N/A |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
4,783 | $26.12 | 91,247 (Direct) |
View |
2021-09-01 Exercise |
2021-09-02 4:29 pm |
N/A 2027-05-18 |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
3,459 | $0 | 93,921 (Direct) |
View |
2021-09-01 Exercise |
2021-09-02 4:29 pm |
N/A N/A |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
3,459 | $38.76 | 93,921 (Direct) |
View |
2021-07-13 Exercise(A) |
2021-07-22 6:53 pm |
N/A N/A |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
2,929 | $41.19 | 117,462 (Direct) |
View |
2021-07-13 Exercise(A) |
2021-07-22 6:53 pm |
N/A 2025-07-21 |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
2,929 | $0 | 117,462 (Direct) |
View |
2021-07-13 Exercise |
2021-07-15 5:17 pm |
N/A N/A |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
2,929 | $41.19 | 117,462 (Direct) |
View |
2021-07-13 Exercise |
2021-07-15 5:17 pm |
N/A 2025-07-21 |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
2,929 | $0 | 117,462 (Direct) |
View |
2021-05-13 Option Award |
2021-05-17 9:50 pm |
2022-05-13 2031-05-13 |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
2,126 | $0 | 117,575 (Direct) |
View |
2021-05-11 Exercise |
2021-05-13 5:01 pm |
N/A 2021-12-15 |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
15,000 | $0 | 115,449 (Direct) |
View |
2021-05-11 Exercise |
2021-05-13 5:01 pm |
N/A N/A |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
15,000 | $3.22 | 115,449 (Direct) |
View |
2021-04-29 Option Award |
2021-05-04 8:25 pm |
N/A 2031-04-29 |
Vaccitech plc | VACC | DAWES KAREN A Director |
34,328 | $0 | 34,328 (Direct) |
View |
2020-05-13 Option Award(A) |
2020-05-21 9:06 pm |
2021-05-13 2030-05-13 |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
2,483 | $0 | 121,717 (Direct) |
View |
2020-05-13 Option Award |
2020-05-19 8:46 pm |
2021-05-13 2030-05-13 |
REPLIGEN CORP | RGEN | DAWES KAREN A Director |
2,483 | $0 | 121,717 (Direct) |
View |