TCG Crossover GP I, LLC 13D and 13G filings for Upstream Bio, Inc.:
- 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 4:27 pm Sale | 2025-09-30 | 13G | UPSTREAM BIO INC UPB | TCG Crossover GP I, LLC | 2,117,103 3.900% | -684,660 (-24.44%) | Filing |
| 2025-02-14 4:23 pm Purchase | 2024-12-31 | 13G | UPSTREAM BIO INC UPB | TCG Crossover GP I, LLC | 2,801,763 5.200% | 2,801,763 (New Position) | Filing |