EcoR1 Capital, LLC 13D and 13G filings for Adaptimmune Therapeutics plc:
- 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 |
| 2025-08-19 6:32 pm Sale | 2025-08-15 | 13G | Adaptimmune Therapeutics plc ADAPY | EcoR1 Capital, LLC | 66,000,000 4.200% | -98,424,420 (-59.86%) | Filing |
| 2024-03-26 11:59 am Purchase | 2024-03-08 | 13G | Adaptimmune Therapeutics plc ADAPY | EcoR1 Capital, LLC | 164,424,420 10.700% | 51,000,000 (+44.96%) | Filing |
| 2024-01-30 5:26 pm Purchase | 2024-01-30 | 13G | Adaptimmune Therapeutics plc ADAPY | EcoR1 Capital, LLC | 113,424,420 7.700% | 113,424,420 (New Position) | Filing |