T. Rowe Price Associates, Inc. 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 |
| 2025-11-14 12:19 pm Sale | 2025-09-30 | 13G | Generation Bio Co. GBIO | T. Rowe Price Associates, Inc. | 576,789 8.600% | -7,885,822![]() (-93.18%) | Filing |
| 2025-08-14 1:07 pm Purchase | 2025-06-30 | 13G | Generation Bio Co. GBIO | T. Rowe Price Associates, Inc. | 8,462,611 12.600% | 8,462,611![]() (New Position) | Filing |

