AnhCo Nguyen, President and CEO at Atara Biotherapeutics, Inc. (ATRA), sold 1,664 shares at $11.20 ($19K) on 2024-11-18, disclosed to the SEC on 2024-11-20.
Open-market sale of $19k ATRA by President and CEO. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| ATRA | SELL | 2026-03-04 | $15K | — | Filing → |
| ATRA | SELL | 2025-11-19 | $38K | — | Filing → |
| ATRA | SELL | 2025-08-20 | $34K | — | Filing → |