ATRA
Atara Biotherapeutics, Inc.Company with tickers: ATRA
CIK
1604464
CUSIP
046513206
Shares Outstanding
9,010,172
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
Financials
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
| Type | Filing Date | Period | Action |
|---|---|---|---|
| 10-Q | 2026-05-12 | 2026-03-31 | View |
| 8-K | 2026-05-12 | — | View |
| 8-K | 2026-05-07 | — | View |
| 8-K | 2026-05-01 | 2026-04-30 | View |
| 8-K | 2026-03-16 | — | View |
| 10-K | 2026-03-16 | 2025-12-31 | View |
| 8-K | 2026-03-12 | — | View |
| 8-K | 2026-03-03 | — | View |
| 8-K | 2026-02-23 | 2026-02-20 | View |
| 8-K | 2026-01-12 | — | View |
| 8-K | 2026-01-02 | 2025-12-30 | View |
| 8-K | 2025-11-12 | — | View |
| 10-Q | 2025-11-12 | 2025-09-30 | View |
| 8-K | 2025-10-07 | 2025-10-06 | View |
| 8-K | 2025-09-04 | 2025-09-02 | View |
| 8-K | 2025-08-11 | — | View |
| 10-Q | 2025-08-11 | 2025-06-30 | View |
| 8-K | 2025-07-14 | — | View |
| 8-K | 2025-06-11 | 2025-06-10 | View |
| 8-K | 2025-05-16 | 2025-05-14 | View |
| 10-Q | 2025-05-15 | 2025-03-31 | View |
| 8-K | 2025-05-15 | 2025-05-14 | View |
| 8-K | 2025-05-12 | — | View |
| 8-K | 2025-05-06 | 2025-05-05 | View |
| 8-K | 2025-04-04 | 2025-03-31 | View |
| 8-K | 2025-03-31 | 2025-03-25 | View |
| 8-K | 2025-03-07 | — | View |
| 10-K | 2025-03-07 | 2024-12-31 | View |
| 8-K | 2025-03-03 | — | View |
| 8-K | 2025-01-27 | — | View |
| 8-K | 2025-01-21 | — | View |
| 8-K | 2025-01-16 | — | View |
| 8-K | 2024-12-23 | 2024-12-20 | View |
| 10-Q | 2024-11-12 | 2024-09-30 | View |
| 8-K | 2024-11-12 | 2024-11-08 | View |
| 8-K | 2024-10-15 | 2024-10-14 | View |
| 8-K | 2024-09-03 | — | View |
| 10-Q | 2024-08-12 | 2024-06-30 | View |
| 8-K | 2024-08-12 | 2024-08-10 | View |
| 8-K | 2024-07-17 | — | View |
| 8-K | 2024-06-20 | — | View |
| 8-K | 2024-06-17 | — | View |
| 8-K | 2024-06-11 | 2024-06-10 | View |
| 10-Q | 2024-05-09 | 2024-03-31 | View |
| 8-K | 2024-05-09 | — | View |
| 8-K | 2024-03-29 | 2024-03-26 | View |
| 10-K | 2024-03-28 | 2023-12-31 | View |
| 8-K | 2024-03-28 | — | View |
| 8-K | 2024-02-23 | 2024-02-22 | View |
| 8-K | 2024-01-09 | 2024-01-08 | View |
| 8-K | 2024-01-08 | — | View |
| 8-K | 2023-12-20 | — | View |
| 8-K | 2023-11-09 | 2023-11-08 | View |
| 8-K | 2023-11-01 | — | View |
| 8-K | 2023-11-01 | 2023-10-31 | View |
| 10-Q | 2023-11-01 | 2023-09-30 | View |
| 8-K | 2023-09-20 | 2023-09-19 | View |
| 10-Q | 2023-08-08 | 2023-06-30 | View |
| 8-K | 2023-08-08 | — | View |
| 8-K | 2023-06-09 | — | View |
| 8-K | 2023-06-05 | 2023-05-31 | View |
| 8-K | 2023-05-12 | — | View |
| 8-K | 2023-05-08 | 2023-05-05 | View |
| 10-Q | 2023-05-08 | 2023-03-31 | View |
| 8-K | 2023-03-31 | — | View |
| 8-K | 2023-03-10 | — | View |
| 10-K | 2023-02-08 | 2022-12-31 | View |
| 8-K | 2023-02-08 | 2023-02-03 | View |
| 8-K | 2023-01-06 | 2022-12-30 | View |
| 8-K | 2022-12-20 | — | View |
| 8-K | 2022-12-19 | 2022-12-16 | View |
| 10-Q | 2022-11-08 | 2022-09-30 | View |
| 8-K | 2022-11-08 | — | View |
| 8-K | 2022-09-28 | — | View |
| 8-K | 2022-09-27 | 2022-09-26 | View |
| 10-Q | 2022-08-08 | 2022-06-30 | View |
| 8-K | 2022-08-08 | 2022-08-02 | View |
| 8-K | 2022-06-24 | 2022-06-23 | View |
| 8-K | 2022-05-19 | 2022-05-13 | View |
| 10-Q | 2022-05-05 | 2022-03-31 | View |
| 8-K | 2022-05-05 | — | View |
| 8-K | 2022-04-04 | — | View |
| 8-K | 2022-02-28 | — | View |
| 10-K | 2022-02-28 | 2021-12-31 | View |
| 8-K | 2022-02-18 | — | View |
| 8-K | 2022-01-26 | — | View |
| 8-K | 2022-01-10 | — | View |
| 8-K | 2021-11-26 | — | View |
| 8-K | 2021-11-04 | — | View |
| 10-Q | 2021-11-04 | 2021-09-30 | View |
| 8-K | 2021-10-04 | 2021-10-02 | View |
| 8-K | 2021-08-10 | 2021-08-09 | View |
| 8-K | 2021-08-09 | — | View |
| 10-Q | 2021-08-09 | 2021-06-30 | View |
| 8-K | 2021-06-09 | 2021-06-08 | View |
| 8-K | 2021-05-04 | — | View |
| 10-Q | 2021-05-04 | 2021-03-31 | View |
| 10-K | 2021-03-01 | 2020-12-31 | View |
| 8-K | 2021-03-01 | — | View |
| 8-K | 2021-01-11 | — | View |