| 4 | Atara Biotherapeutics, Inc. | 2026-07-24 | 0001104659-26-086733 |
| 4 | Atara Biotherapeutics, Inc. | 2026-06-15 | 0000905148-26-002951 |
| 4 | Atara Biotherapeutics, Inc. | 2026-06-11 | 0000905148-26-002921 |
| 4 | Atara Biotherapeutics, Inc. | 2026-06-11 | 0000905148-26-002920 |
| 4 | Atara Biotherapeutics, Inc. | 2026-06-11 | 0000905148-26-002919 |
| 4 | Atara Biotherapeutics, Inc. | 2026-05-20 | 0000905148-26-002570 |
| 4 | Atara Biotherapeutics, Inc. | 2026-05-20 | 0000905148-26-002571 |
| 10-Q | Atara Biotherapeutics, Inc. | 2026-05-12 | 0001193125-26-219482 |
| 4 | Atara Biotherapeutics, Inc. | 2026-05-11 | 0001193125-26-217380 |
| 4 | Atara Biotherapeutics, Inc. | 2026-05-11 | 0000935836-26-000239 |
| 4 | Atara Biotherapeutics, Inc. | 2026-03-19 | 0001193125-26-116060 |
| 10-K | Atara Biotherapeutics, Inc. | 2026-03-16 | 0001193125-26-108361 |
| 4 | Atara Biotherapeutics, Inc. | 2026-03-11 | 0000905148-26-001225 |
| 4 | Atara Biotherapeutics, Inc. | 2026-03-11 | 0000905148-26-001224 |
| 4 | Atara Biotherapeutics, Inc. | 2026-03-04 | 0000905148-26-001144 |
| 4 | Atara Biotherapeutics, Inc. | 2026-03-04 | 0000905148-26-001143 |
| 4 | Atara Biotherapeutics, Inc. | 2026-01-14 | 0001193125-26-013358 |
| 4 | Atara Biotherapeutics, Inc. | 2025-12-01 | 0001193125-25-304018 |
| 4 | Atara Biotherapeutics, Inc. | 2025-11-19 | 0000905148-25-004141 |
| 4 | Atara Biotherapeutics, Inc. | 2025-11-19 | 0000905148-25-004140 |
| 10-Q | Atara Biotherapeutics, Inc. | 2025-11-12 | 0001193125-25-276219 |
| 4 | Atara Biotherapeutics, Inc. | 2025-08-20 | 0000905148-25-003069 |
| 4 | Atara Biotherapeutics, Inc. | 2025-08-20 | 0000905148-25-003070 |
| 4 | Atara Biotherapeutics, Inc. | 2025-08-19 | 0000950170-25-110310 |
| 10-Q | Atara Biotherapeutics, Inc. | 2025-08-11 | 0000950170-25-106550 |