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 |
| 2021-05-03 Sale |
2021-05-05 4:10 pm |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $35.7 | $89,238 | 86,407 (Direct) |
View |
| 2021-04-22 Sale |
2021-04-23 4:05 pm |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $33.32 | $83,300 | 88,907 (Direct) |
View |
| 2021-03-03 Sale |
2021-03-05 4:05 pm |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
3,000 | $41.38 | $124,140 | 91,407 (Direct) |
View |
| 2021-03-01 Sale |
2021-03-03 4:10 pm |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $38.84 | $97,099 | 94,407 (Direct) |
View |
| 2021-02-02 Sale |
2021-02-04 4:05 pm |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $33.05 | $82,625 | 126,385 (Direct) |
View |
| 2021-01-14 Sale |
2021-01-15 4:06 pm |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $33.09 | $82,725 | 99,407 (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 |
| 2024-01-29 Exercise |
2024-01-31 4:30 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
5,021 | $0 | 49,164 (Direct) |
View |
| 2024-01-29 Tax Withholding |
2024-01-31 4:30 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
1,476 | $1.9 | 49,164 (Direct) |
View |
| 2024-01-15 Exercise |
2024-01-17 5:00 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
14,131 | $0 | 65,700 (Direct) |
View |
| 2024-01-15 Tax Withholding |
2024-01-17 5:00 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
4,897 | $1.91 | 65,700 (Direct) |
View |
| 2023-10-15 Exercise |
2023-10-17 6:00 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
7,437 | $0 | 43,822 (Direct) |
View |
| 2023-10-15 Tax Withholding |
2023-10-17 6:00 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,183 | $3.24 | 43,822 (Direct) |
View |
| 2023-07-15 Tax Withholding |
2023-07-18 4:35 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,183 | $5.08 | 46,005 (Direct) |
View |
| 2023-07-15 Exercise |
2023-07-18 4:35 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
7,437 | $0 | 46,005 (Direct) |
View |
| 2023-04-15 Exercise |
2023-04-18 4:19 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
7,437 | $0 | 48,188 (Direct) |
View |
| 2023-04-15 Tax Withholding |
2023-04-18 4:19 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,183 | $4.5 | 48,188 (Direct) |
View |
| 2023-01-20 Option Award |
2023-01-24 4:13 pm |
N/A 2033-01-20 |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
80,325 | $0 | 80,325 (Direct) |
View |
| 2023-01-15 Exercise |
2023-01-18 5:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
7,438 | $0 | 50,371 (Direct) |
View |
| 2023-01-15 Tax Withholding |
2023-01-18 5:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,578 | $5.1 | 50,371 (Direct) |
View |
| 2022-10-15 Exercise |
2022-10-18 4:45 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
7,438 | $0 | 52,949 (Direct) |
View |
| 2022-10-15 Tax Withholding |
2022-10-18 4:45 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,184 | $5.61 | 52,949 (Direct) |
View |
| 2022-07-15 Tax Withholding |
2022-07-19 4:09 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
4,367 | $7.18 | 55,133 (Direct) |
View |
| 2022-07-15 Exercise |
2022-07-19 4:09 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
14,876 | $0 | 55,133 (Direct) |
View |
| 2022-01-21 Option Award |
2022-01-25 4:05 pm |
N/A 2032-01-21 |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
178,500 | $0 | 178,500 (Direct) |
View |
| 2021-05-03 Exercise |
2021-05-05 4:10 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $4.59 | 86,407 (Direct) |
View |
| 2021-05-03 Exercise |
2021-05-05 4:10 pm |
N/A 2028-12-05 |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $0 | 86,407 (Direct) |
View |
| 2021-04-22 Exercise |
2021-04-23 4:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $4.59 | 88,907 (Direct) |
View |
| 2021-04-22 Exercise |
2021-04-23 4:05 pm |
N/A 2028-12-05 |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $0 | 88,907 (Direct) |
View |
| 2021-03-03 Exercise |
2021-03-05 4:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
3,000 | $4.59 | 91,407 (Direct) |
View |
| 2021-03-03 Exercise |
2021-03-05 4:05 pm |
N/A 2028-12-05 |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
3,000 | $0 | 91,407 (Direct) |
View |
| 2021-03-01 Exercise |
2021-03-03 4:10 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $4.59 | 94,407 (Direct) |
View |
| 2021-03-01 Exercise |
2021-03-03 4:10 pm |
N/A 2028-12-05 |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $0 | 94,407 (Direct) |
View |
| 2021-02-02 Exercise |
2021-02-04 4:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $4.59 | 126,385 (Direct) |
View |
| 2021-01-22 Option Award |
2021-02-04 4:05 pm |
N/A 2031-01-21 |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
29,478 | $0 | 126,385 (Direct) |
View |
| 2021-02-02 Exercise |
2021-02-04 4:05 pm |
N/A 2028-12-05 |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $0 | 126,385 (Direct) |
View |
| 2021-01-14 Exercise |
2021-01-15 4:06 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $4.59 | 99,407 (Direct) |
View |
| 2021-01-14 Exercise |
2021-01-15 4:06 pm |
N/A 2028-12-05 |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $0 | 99,407 (Direct) |
View |
| 2020-11-09 Option Award |
2020-11-10 4:10 pm |
N/A 2030-11-08 |
Generation Bio Co. | GBIO | Zimmermann Tracy Chief Development Officer |
97,500 | $0 | 97,500 (Direct) |
View |
Ownership |
2020-11-10 4:05 pm |
N/A 2028-12-05 |
Generation Bio Co. | GBIO | Zimmermann Tracy Chief Development Officer |
0 | $0 | 113,936 (Direct) |
View |