Atara Biotherapeutics, Inc.
Insider Ownership
| 8-K | 34 | 05/16/2025 | 05/14/2025 |
| 10-Q | 34 | 05/15/2025 | 03/31/2025 |
| 8-K | 34 | 05/15/2025 | 05/14/2025 |
| 8-K | 34 | 05/12/2025 | 05/12/2025 |
| 8-K | 34 | 04/04/2025 | 03/31/2025 |
| 8-K | 34 | 03/31/2025 | 03/25/2025 |
| 8-K | 34 | 12/23/2024 | 12/20/2024 |
| 10-Q | 34 | 11/12/2024 | 09/30/2024 |
| 8-K | 34 | 10/15/2024 | 10/14/2024 |
| 10-Q | 34 | 08/12/2024 | 06/30/2024 |
≥5% Ownership
| 3 | 05/23/2025 | 05/16/2025 | |
| 3 | 05/23/2025 | 05/16/2025 | |
| 3 | 05/21/2025 | 05/16/2025 | |
| 4 | 05/20/2025 | 05/16/2025 | |
| 4 | 05/20/2025 | 05/16/2025 | |
| 4 | 05/16/2025 | 05/16/2025 | |
| 3 | 04/10/2025 | 03/31/2025 | |
| 4 | 04/02/2025 | 03/31/2025 | |
| 4 | 03/05/2025 | 03/03/2025 | |
| 4 | 03/05/2025 | 03/03/2025 |