AnhCo Nguyen, EVP, Chief Sci. & Technology Officer at Atara Biotherapeutics, Inc. (ATRA), sold 42,899 shares at $0.62 ($27K) on 2024-05-16, disclosed to the SEC on 2024-05-20.
Open-market sale of $27k ATRA by EVP, Chief Sci. & Technology Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| Filing → |
| ATRA | SELL | 2026-03-04 | $15K | — | Filing → |
| ATRA | SELL | 2025-11-19 | $38K | — | Filing → |
| ATRA | SELL | 2025-08-20 | $34K | — | Filing → |