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 |
2023-01-10 Sale |
2023-01-11 4:25 pm |
Generation Bio Co. | GBIO | Paone Antoinette CHIEF OPERATING OFFICER |
1,865 | $4.57 | $8,523 | 0 (Direct) |
View |
2023-01-09 Sale |
2023-01-10 4:57 pm |
Generation Bio Co. | GBIO | Samayoa Phillip CHIEF STRATEGY OFFICER |
1,865 | $5.11 | $9,530 | 95,819 (Direct) |
View |
2022-10-27 Sale |
2022-10-28 4:05 pm |
Generation Bio Co. | GBIO | Paone Antoinette CHIEF OPERATING OFFICER |
2,914 | $5.03 | $14,657 | 0 (Direct) |
View |
2022-09-29 Sale |
2022-09-30 4:05 pm |
Generation Bio Co. | GBIO | Paone Antoinette CHIEF OPERATING OFFICER |
2,828 | $5.24 | $14,819 | 0 (Direct) |
View |
2022-09-19 Purchase |
2022-09-20 4:16 pm |
Generation Bio Co. | GBIO | Rowland Charles A Jr Director |
15,750 | $5.26 | $82,845 | 191,797 (Direct) |
View |
2022-09-15 Sale |
2022-09-19 5:33 pm |
Generation Bio Co. | GBIO | Paone Antoinette CHIEF OPERATING OFFICER |
4,610 | $5.32 | $24,525 | 2,828 (Direct) |
View |
2022-09-15 Purchase |
2022-09-19 5:21 pm |
Generation Bio Co. | GBIO | Rowland Charles A Jr Director |
50,628 | $5.4563 | $276,241 | 176,047 (Direct) |
View |
2022-09-13 Purchase |
2022-09-15 4:07 pm |
Generation Bio Co. | GBIO | Rowland Charles A Jr Director |
24,384 | $5.2249 | $127,404 | 125,419 (Direct) |
View |
2022-03-09 Purchase |
2022-03-11 4:53 pm |
Generation Bio Co. | GBIO | Nicholson Donald William Director |
10,419 | $4.7276 | $49,257 | 113,576 (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 |
2023-01-15 Exercise |
2023-01-18 4:54 pm |
N/A N/A |
Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO |
23,438 | $0 | 1,834,720 (Direct) |
View |
2023-01-15 Tax Withholding |
2023-01-18 4:54 pm |
N/A N/A |
Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO |
8,122 | $5.1 | 1,834,720 (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 |
2023-01-15 Exercise |
2023-01-18 4:50 pm |
N/A N/A |
Generation Bio Co. | GBIO | Paone Antoinette CHIEF OPERATING OFFICER |
4,125 | $0 | 19,195 (Direct) |
View |
2023-01-15 Tax Withholding |
2023-01-18 4:50 pm |
N/A N/A |
Generation Bio Co. | GBIO | Paone Antoinette CHIEF OPERATING OFFICER |
1,430 | $5.1 | 19,195 (Direct) |
View |
2023-01-05 Option Award |
2023-01-09 5:23 pm |
N/A N/A |
Generation Bio Co. | GBIO | Cooper Ronald Harold Wilfred Director |
9,500 | $5.12 | 9,500 (Direct) |
View |
2022-10-15 Tax Withholding |
2022-10-18 4:46 pm |
N/A N/A |
Generation Bio Co. | GBIO | Paone Antoinette CHIEF OPERATING OFFICER |
1,211 | $5.61 | 23,539 (Direct) |
View |
2022-10-15 Exercise |
2022-10-18 4:46 pm |
N/A N/A |
Generation Bio Co. | GBIO | Paone Antoinette CHIEF OPERATING OFFICER |
4,125 | $0 | 23,539 (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 |
2022-10-15 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 4:44 pm |
N/A N/A |
Generation Bio Co. | GBIO | Samayoa Phillip CHIEF STRATEGY OFFICER |
1,211 | $5.61 | 116,444 (Direct) |
View |
2022-10-15 Exercise |
2022-10-18 4:44 pm |
N/A N/A |
Generation Bio Co. | GBIO | Samayoa Phillip CHIEF STRATEGY OFFICER |
4,125 | $0 | 116,444 (Direct) |
View |
2022-10-15 Tax Withholding |
2022-10-18 4:43 pm |
N/A N/A |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
2,184 | $5.61 | 251,103 (Direct) |
View |
2022-10-15 Exercise |
2022-10-18 4:43 pm |
N/A N/A |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
7,438 | $0 | 251,103 (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 |
2022-10-15 Tax Withholding |
2022-10-18 4:40 pm |
N/A N/A |
Generation Bio Co. | GBIO | Norkunas Matthew CHIEF FINANCIAL OFFICER |
2,184 | $5.61 | 52,949 (Direct) |
View |
2022-10-15 Exercise |
2022-10-18 4:40 pm |
N/A N/A |
Generation Bio Co. | GBIO | Norkunas Matthew CHIEF FINANCIAL OFFICER |
7,438 | $0 | 52,949 (Direct) |
View |
2022-10-15 Tax Withholding |
2022-10-18 4:38 pm |
N/A N/A |
Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO |
10,395 | $5.61 | 1,840,977 (Direct) |
View |
2022-10-15 Exercise |
2022-10-18 4:38 pm |
N/A N/A |
Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO |
23,438 | $0 | 1,840,977 (Direct) |
View |
2022-09-16 Option Award |
2022-09-20 4:09 pm |
N/A 2032-09-15 |
Generation Bio Co. | GBIO | Samayoa Phillip CHIEF STRATEGY OFFICER |
110,000 | $0 | 110,000 (Direct) |
View |
Ownership |
2022-09-20 4:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Samayoa Phillip CHIEF STRATEGY OFFICER |
0 | $0 | 293,155 (Direct) |
View |
2022-07-15 Exercise |
2022-07-19 4:22 pm |
N/A N/A |
Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO |
46,876 | $0 | 1,851,372 (Direct) |
View |
2022-07-15 Tax Withholding |
2022-07-19 4:22 pm |
N/A N/A |
Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO |
14,150 | $7.18 | 1,851,372 (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 |
2022-07-15 Exercise |
2022-07-19 4:16 pm |
N/A N/A |
Generation Bio Co. | GBIO | Norkunas Matthew CHIEF FINANCIAL OFFICER |
14,876 | $0 | 55,133 (Direct) |
View |
2022-07-15 Tax Withholding |
2022-07-19 4:16 pm |
N/A N/A |
Generation Bio Co. | GBIO | Norkunas Matthew CHIEF FINANCIAL OFFICER |
4,367 | $7.18 | 55,133 (Direct) |
View |
2022-07-15 Exercise |
2022-07-19 4:14 pm |
N/A N/A |
Generation Bio Co. | GBIO | Paone Antoinette CHIEF OPERATING OFFICER |
8,250 | $0 | 32,188 (Direct) |
View |
2022-07-15 Tax Withholding |
2022-07-19 4:14 pm |
N/A N/A |
Generation Bio Co. | GBIO | Paone Antoinette CHIEF OPERATING OFFICER |
2,422 | $7.18 | 32,188 (Direct) |
View |
2022-07-15 Exercise |
2022-07-19 4:11 pm |
N/A N/A |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
14,876 | $0 | 253,287 (Direct) |
View |
2022-07-15 Tax Withholding |
2022-07-19 4:11 pm |
N/A N/A |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
4,367 | $7.18 | 253,287 (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 |
2022-07-15 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 Option Award |
2022-07-19 4:07 pm |
N/A 2032-07-14 |
Generation Bio Co. | GBIO | Appelhans Dannielle Director |
38,400 | $0 | 38,400 (Direct) |
View |
2022-06-09 Option Award |
2022-06-13 4:06 pm |
N/A 2032-06-08 |
Generation Bio Co. | GBIO | JONAS JEFFREY M Director |
19,200 | $0 | 19,200 (Direct) |
View |
2022-06-09 Option Award |
2022-06-13 4:05 pm |
N/A 2032-06-08 |
Generation Bio Co. | GBIO | Rhodes Jason P Director |
19,200 | $0 | 19,200 (Direct) |
View |
2022-06-09 Option Award |
2022-06-13 4:05 pm |
N/A 2032-06-08 |
Generation Bio Co. | GBIO | Cooper Ronald Harold Wilfred Director |
19,200 | $0 | 19,200 (Direct) |
View |
2022-06-09 Option Award |
2022-06-13 4:05 pm |
N/A 2032-06-08 |
Generation Bio Co. | GBIO | Christensen Gustav Director |
19,200 | $0 | 19,200 (Direct) |
View |
2022-06-09 Option Award |
2022-06-13 4:05 pm |
N/A 2032-06-08 |
Generation Bio Co. | GBIO | Rowland Charles A Jr Director |
19,200 | $0 | 19,200 (Direct) |
View |
2022-06-09 Option Award |
2022-06-13 4:05 pm |
N/A 2032-06-08 |
Generation Bio Co. | GBIO | Nicholson Donald William Director |
19,200 | $0 | 19,200 (Direct) |
View |
2022-06-09 Option Award |
2022-06-13 4:05 pm |
N/A 2032-06-08 |
Generation Bio Co. | GBIO | Stehman-Breen Catherine Director |
19,200 | $0 | 19,200 (Direct) |
View |
2022-06-09 Option Award |
2022-06-13 4:05 pm |
N/A 2032-06-08 |
Generation Bio Co. | GBIO | Quinn Anthony G. Director |
19,200 | $0 | 19,200 (Direct) |
View |
2022-02-10 Option Award |
2022-02-11 4:10 pm |
N/A 2032-02-09 |
Generation Bio Co. | GBIO | Paone Antoinette CHIEF OPERATING OFFICER |
110,000 | $0 | 110,000 (Direct) |
View |
Ownership |
2022-02-11 4:06 pm |
N/A 2028-12-05 |
Generation Bio Co. | GBIO | Paone Antoinette CHIEF OPERATING OFFICER |
0 | $0 | 317,820 (Direct) |
View |