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Latest Form 4 (May 11, 2026): Sale of 313,446 ATRA shares, $3.17M.
Every alert includes an AI-written analysis of the filing, plus news and market context.
| Filed | Company | Transaction | Shares | Value |
|---|---|---|---|---|
| May 11, 2026 | Atara Biotherapeutics, Inc. (ATRA) | Sale | 313,446 | $3.17M |
| Mar 19, 2026 | Atara Biotherapeutics, Inc. (ATRA) | Exercise/Conversion | 259,163 | $25.92 |
| Jan 15, 2026 | Atara Biotherapeutics, Inc. (ATRA) | Sale | 80,554 | $489.0K |
| Dec 1, 2025 | Atara Biotherapeutics, Inc. (ATRA) | Exercise/Conversion | 48,737 | $4.87 |
| Aug 20, 2025 | Atara Biotherapeutics, Inc. (ATRA) | Purchase | 55,000 | $670.4K |
| Jul 21, 2025 | Atara Biotherapeutics, Inc. (ATRA) | Purchase | 19,335 | $186.4K |