TANG CAPITAL MANAGEMENT, LLC 13D and 13G filings for bluebird 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 |
| 2024-02-14 4:00 pm Sale | 2023-12-31 | 13G | bluebird bio, Inc. BLUE | TANG CAPITAL MANAGEMENT, LLC | 85,000 0.900% | -146,776 (-63.33%) | Filing |
| 2023-02-14 4:00 pm Purchase | 2022-12-31 | 13G | bluebird bio, Inc. BLUE | TANG CAPITAL MANAGEMENT, LLC | 231,776 5.600% | 45,724 (+24.58%) | Filing |
| 2022-06-03 4:00 pm Purchase | 2022-05-24 | 13G | bluebird bio, Inc. BLUE | TANG CAPITAL MANAGEMENT, LLC | 186,053 5.200% | 186,053 (New Position) | Filing |