Atlas Venture Fund XI, L.P. 13D and 13G filings for :
- 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 |
| 2025-02-18 4:59 pm Purchase | 2025-02-10 | 13D | Sionna Therapeutics Inc. SION | Atlas Venture Fund XI, L.P. | 2,886,293 6.500% | 2,886,293 (New Position) | Filing |