Atlas Venture Fund X, L.P. 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 |
| 2024-02-09 4:05 pm Unchanged | 2023-12-31 | 13G | Generation Bio Co. GBIO | Atlas Venture Fund X, L.P. | 711,194 10.800% | 0 (Unchanged) | Filing |
| 2022-02-11 5:06 pm Sale | 2021-12-31 | 13G | Generation Bio Co. GBIO | Atlas Venture Fund X, L.P. | 711,194 12.500% | -300,000 (-29.67%) | Filing |
| 2021-02-16 5:28 pm Purchase | 2020-12-31 | 13G | Generation Bio Co. GBIO | Atlas Venture Fund X, L.P. | 1,011,194 21.700% | 1,011,194 (New Position) | Filing |