Atara Biotherapeutics, Inc.
Insider Ownership
| 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 |
| 8-K | 34 | 08/12/2024 | 08/10/2024 |
| 8-K | 34 | 06/20/2024 | 06/20/2024 |
| 8-K | 34 | 06/17/2024 | 06/17/2024 |
| 8-K | 34 | 06/11/2024 | 06/10/2024 |
≥5% Ownership
| 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 | |
| 4 | 03/05/2025 | 03/03/2025 | |
| 4 | 11/20/2024 | 11/18/2024 | |
| 4 | 11/20/2024 | 11/18/2024 | |
| 4 | 11/20/2024 | 11/18/2024 | |
| 4 | 09/11/2024 | 09/09/2024 | |
| 3 | 09/05/2024 | 09/03/2024 |