VANGUARD GROUP INC 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 |
| 2024-02-13 4:58 pm Sale | 2023-12-29 | 13G | Atara Biotherapeutics, Inc. ATRA | VANGUARD GROUP INC | 267,442 6.560% | -21,000 (-7.28%) | Filing |
| 2023-02-09 11:07 am Purchase | 2022-12-30 | 13G | Atara Biotherapeutics, Inc. ATRA | VANGUARD GROUP INC | 288,442 7.600% | 5,421 (+1.92%) | Filing |
| 2022-02-09 3:24 pm Purchase | 2021-12-31 | 13G | Atara Biotherapeutics, Inc. ATRA | VANGUARD GROUP INC | 283,021 8.000% | 57,490 (+25.49%) | Filing |
| 2021-02-10 10:30 am Purchase | 2020-12-31 | 13G | Atara Biotherapeutics, Inc. ATRA | VANGUARD GROUP INC | 225,531 6.850% | 78,263 (+53.14%) | Filing |