Panacea Innovation Limited 13D and 13G filings for Atara Biotherapeutics, 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 |
| 2026-05-11 6:49 pm Sale | 2026-05-07 | 13D | ATARA BIOTHERAPEUTICS INC ATRA | Panacea Innovation Limited | 1,318,894 16.100% | -313,451 (-19.20%) | Filing |
| 2026-01-14 9:20 pm Sale | 2026-01-12 | 13D | ATARA BIOTHERAPEUTICS INC ATRA | Panacea Innovation Limited | 1,632,345 19.990% | -80,555 (-4.70%) | Filing |
| 2025-08-19 8:15 pm Purchase | 2025-08-15 | 13D | ATARA BIOTHERAPEUTICS INC ATRA | Panacea Innovation Limited | 1,712,900 20.000% | 74,335 (+4.54%) | Filing |
| 2025-05-21 6:00 pm Purchase | 2025-05-16 | 13D | ATARA BIOTHERAPEUTICS INC ATRA | Panacea Innovation Limited | 1,638,565 19.990% | 1,088,565 (+197.92%) | Filing |