HBM Healthcare Investments (Cayman) Ltd. 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 |
| 2025-02-13 4:16 pm Purchase | 2024-12-31 | 13G | Upstream Bio, Inc. UPB | HBM Healthcare Investments (Cayman) Ltd. | 2,715,056 5.100% | 2,715,056 (New Position) | Filing |