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 |
| 2021-07-08 Sale | 2021-07-12 4:02 pm | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 3,518 | $25.2 | $88,670 | 365,257 (Direct) | View |
| 2021-04-05 Sale | 2021-04-07 4:05 pm | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 14,072 | $30.09 | $423,451 | 368,775 (Direct) | View |
| 2021-03-05 Sale | 2021-03-09 4:05 pm | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 11,267 | $31.44 | $354,267 | 416,517 (Direct) | View |
| 2021-02-08 Sale | 2021-02-10 4:05 pm | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 11,267 | $33.37 | $375,954 | 427,784 (Direct) | View |
| 2021-01-11 Sale | 2021-01-13 4:07 pm | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 11,267 | $27.58 | $310,768 | 439,051 (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 |
| 2024-09-03 Option Award | 2024-09-03 6:22 pm | N/A 2034-09-02 | Dyne Therapeutics Inc. | DYN | Kerr Douglas Chief Medical Officer | 197,800 | $0 | 197,800 (Direct) | View |
| 2024-01-29 Exercise | 2024-01-31 4:30 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 5,021 | $0 | 385,628 (Direct) | View |
| 2024-01-29 Tax Withholding | 2024-01-31 4:30 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 1,476 | $1.9 | 385,628 (Direct) | View |
| 2024-01-15 Tax Withholding | 2024-01-17 5:00 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 4,897 | $1.91 | 409,601 (Direct) | View |
| 2024-01-15 Exercise | 2024-01-17 5:00 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 14,131 | $0 | 409,601 (Direct) | View |
| 2023-10-15 Tax Withholding | 2023-10-17 6:00 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 2,183 | $3.24 | 377,841 (Direct) | View |
| 2023-10-15 Exercise | 2023-10-17 6:00 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 7,437 | $0 | 377,841 (Direct) | View |
| 2023-07-15 Exercise | 2023-07-18 4:35 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 7,437 | $0 | 380,024 (Direct) | View |
| 2023-07-15 Tax Withholding | 2023-07-18 4:35 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 2,183 | $5.08 | 380,024 (Direct) | View |
| 2023-04-15 Tax Withholding | 2023-04-18 4:14 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 2,183 | $4.5 | 379,091 (Direct) | View |
| 2023-04-15 Exercise | 2023-04-18 4:14 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 7,437 | $0 | 379,091 (Direct) | View |
| 2023-01-20 Option Award | 2023-01-24 4:20 pm | N/A 2033-01-20 | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 80,325 | $0 | 80,325 (Direct) | View |
| 2023-01-15 Exercise | 2023-01-18 4:52 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 7,438 | $0 | 381,274 (Direct) | View |
| 2023-01-15 Tax Withholding | 2023-01-18 4:52 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 2,578 | $5.1 | 381,274 (Direct) | View |
| 2022-10-15 Tax Withholding | 2022-10-18 4:41 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 2,184 | $5.61 | 381,987 (Direct) | View |
| 2022-10-15 Exercise | 2022-10-18 4:41 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 7,438 | $0 | 381,987 (Direct) | View |
| 2022-07-15 Exercise | 2022-07-19 4:19 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 14,876 | $0 | 384,171 (Direct) | View |
| 2022-07-15 Tax Withholding | 2022-07-19 4:19 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 4,367 | $7.18 | 384,171 (Direct) | View |
| 2022-01-21 Option Award | 2022-01-25 4:05 pm | N/A 2032-01-21 | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 178,500 | $0 | 178,500 (Direct) | View |
| 2021-07-08 Exercise | 2021-07-12 4:02 pm | N/A 2030-03-04 | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 3,518 | $0 | 365,257 (Direct) | View |
| 2021-07-08 Exercise | 2021-07-12 4:02 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 3,518 | $5.16 | 365,257 (Direct) | View |
| 2021-04-05 Exercise | 2021-04-07 4:05 pm | N/A 2030-03-04 | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 14,072 | $0 | 368,775 (Direct) | View |
| 2021-04-05 Exercise | 2021-04-07 4:05 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 14,072 | $5.16 | 368,775 (Direct) | View |
| 2021-03-05 Exercise | 2021-03-09 4:05 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 11,267 | $4.59 | 416,517 (Direct) | View |
| 2021-03-05 Exercise | 2021-03-09 4:05 pm | N/A 2028-04-01 | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 11,267 | $0 | 416,517 (Direct) | View |
| 2021-02-08 Exercise | 2021-02-10 4:05 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 11,267 | $4.59 | 427,784 (Direct) | View |
| 2021-02-08 Exercise | 2021-02-10 4:05 pm | N/A 2028-04-01 | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 11,267 | $0 | 427,784 (Direct) | View |
| 2021-01-22 Option Award | 2021-02-05 5:05 pm | N/A 2031-01-21 | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 73,500 | $0 | 73,500 (Direct) | View |
| 2021-01-11 Exercise | 2021-01-13 4:07 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 11,267 | $4.59 | 439,051 (Direct) | View |
| 2021-01-11 Exercise | 2021-01-13 4:07 pm | N/A 2028-04-01 | Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER | 11,267 | $0 | 439,051 (Direct) | View |
Ownership | 2020-06-11 8:38 pm | N/A N/A | Generation Bio Co. | GBIO | Kerr Douglas Chief Development Officer | 0 | $0 | 562,896 (Direct) | View |