FMR LLC 13D and 13G filings for Generation Bio Co.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2025-02-12 09:28 am Sale | 2024-12-31 | 13G | Generation Bio Co. GBIO | FMR LLC | 4,626,045 6.900% | -726,354 (-13.57%) | Filing |
| 2024-02-09 09:03 am Sale | 2024-02-08 | 13G | Generation Bio Co. GBIO | FMR LLC | 5,352,399 8.100% | -1,210,960 (-18.45%) | Filing |
| 2023-12-11 09:09 am Sale | 2023-12-08 | 13G | Generation Bio Co. GBIO | FMR LLC | 6,563,359 9.932% | -2,349,972 (-26.36%) | Filing |
| 2023-02-09 10:59 am Purchase | 2023-02-09 | 13G | Generation Bio Co. GBIO | FMR LLC | 8,913,331 14.999% | 376,869 (+4.41%) | Filing |
| 2022-02-09 09:19 am Purchase | 2022-02-08 | 13G | Generation Bio Co. GBIO | FMR LLC | 8,536,462 14.999% | 1,355,598 (+18.88%) | Filing |
| 2021-02-08 10:23 am Sale | 2021-02-05 | 13G | Generation Bio Co. GBIO | FMR LLC | 7,180,864 15.437% | -193,006 (-2.62%) | Filing |
| 2020-08-24 10:06 am Purchase | 2020-06-30 | 13G | Generation Bio Co. GBIO | FMR LLC | 7,373,870 15.956% | 441,865 (+6.37%) | Filing |
| 2020-07-10 11:38 am Purchase | 2020-07-09 | 13G | Generation Bio Co. GBIO | FMR LLC | 6,932,005 14.999% | 6,932,005 (New Position) | Filing |