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 | MCDONOUGH GEOFF PRESIDENT AND CEO | 10,000 | $35.63 | $356,335 | 1,675,542 (Indirect Direct) | View |
| 2021-04-23 Sale | 2021-04-27 4:02 pm | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 10,000 | $35.1 | $351,000 | 1,685,542 (Indirect Direct) | View |
| 2021-03-01 Sale | 2021-03-03 4:10 pm | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 10,000 | $37.58 | $375,801 | 1,695,542 (Indirect 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 |
| 2024-10-15 Exercise | 2024-10-17 4:05 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 5,274 | $0 | 1,886,550 (Direct) | View |
| 2024-10-15 Tax Withholding | 2024-10-17 4:05 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 1,548 | $2.42 | 1,886,550 (Direct) | View |
| 2024-07-15 Tax Withholding | 2024-07-17 4:05 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 1,548 | $2.93 | 1,888,098 (Direct) | View |
| 2024-07-15 Exercise | 2024-07-17 4:05 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 5,274 | $0 | 1,888,098 (Direct) | View |
| 2024-04-15 Exercise | 2024-04-17 5:10 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 5,274 | $0 | 1,882,927 (Direct) | View |
| 2024-04-15 Tax Withholding | 2024-04-17 5:10 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 1,548 | $3.7 | 1,882,927 (Direct) | View |
| 2024-03-27 Option Award | 2024-03-28 4:10 pm | N/A 2034-03-26 | Third Harmonic Bio Inc. | THRD | MCDONOUGH GEOFF Director | 60,000 | $0 | 60,000 (Direct) | View |
| 2024-01-15 Tax Withholding | 2024-01-17 5:00 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 15,431 | $1.91 | 1,884,475 (Direct) | View |
| 2024-01-15 Exercise | 2024-01-17 5:00 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 44,531 | $0 | 1,884,475 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-03 4:35 pm | N/A 2034-01-01 | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 506,250 | $0 | 2,298,344 (Direct) | View |
| 2023-12-01 Option Award | 2023-12-05 4:30 pm | N/A 2033-11-30 | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 240,470 | $0 | 240,470 (Direct) | View |
| 2023-10-15 Tax Withholding | 2023-10-17 6:00 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 10,395 | $3.24 | 1,813,086 (Direct) | View |
| 2023-10-15 Exercise | 2023-10-17 6:00 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 23,437 | $0 | 1,813,086 (Direct) | View |
| 2023-07-15 Exercise | 2023-07-18 4:35 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 23,437 | $0 | 1,823,481 (Direct) | View |
| 2023-07-15 Tax Withholding | 2023-07-18 4:35 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 7,476 | $5.08 | 1,823,481 (Direct) | View |
| 2023-04-15 Exercise | 2023-04-18 4:16 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 23,437 | $0 | 1,827,841 (Direct) | View |
| 2023-04-15 Tax Withholding | 2023-04-18 4:16 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 6,879 | $4.5 | 1,827,841 (Direct) | View |
| 2023-01-20 Option Award | 2023-01-24 4:19 pm | N/A 2033-01-20 | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 253,125 | $0 | 253,125 (Direct) | View |
| 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 |
| 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 |
| 2022-10-15 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 |
| 2022-07-15 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 |
| 2022-01-21 Option Award | 2022-01-25 4:05 pm | N/A 2032-01-21 | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 562,500 | $0 | 562,500 (Direct) | View |
| 2021-06-08 Option Award | 2021-06-10 4:30 pm | N/A 2031-06-08 | Surface Oncology Inc. | SURF | MCDONOUGH GEOFF Director | 17,700 | $0 | 17,700 (Direct) | View |
| 2021-01-22 Option Award | 2021-02-05 5:04 pm | N/A 2031-01-21 | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 251,000 | $0 | 251,000 (Direct) | View |
| 2021-01-13 Gift | 2021-01-15 4:05 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO | 275,000 | $0 | 1,705,542 (Direct) | View |
Ownership(A) | 2021-01-13 4:05 pm | N/A 2030-03-04 | Generation Bio Co. | GBIO | MCDONOUGH GEOFF President and CEO 10% Owner | 0 | $0 | 398,076 (Direct) | View |
| 2020-06-16 Conversion | 2020-06-18 6:02 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF See Remarks 10% Owner | 313,231 | $0 | 1,705,542 (Direct) | View |
| 2020-06-10 Option Award | 2020-06-12 08:00 am | N/A 2030-06-10 | Surface Oncology Inc. | SURF | MCDONOUGH GEOFF Director | 12,000 | $0 | 12,000 (Direct) | View |
Ownership | 2020-06-11 8:42 pm | N/A N/A | Generation Bio Co. | GBIO | MCDONOUGH GEOFF See Remarks 10% Owner | 0 | $0 | 2,103,618 (Direct) | View |