AnhCo Nguyen, President and CEO at Atara Biotherapeutics, Inc. (ATRA), sold 2,958 shares at $11.61 ($34K) on 2025-08-18, disclosed to the SEC on 2025-08-20.
Open-market sale of $34k 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.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $11.61 | 57 | $662 | 1.9% |
| 2 | $11.62 | 1,281 | $15K | 43.3% |
| 3 | $11.62 | 1,620 | $19K | 54.8% |
| Total | $11.62 avg | 2,958 | $34K | 100% |
| Filing → |
| ATRA | SELL | 2026-03-04 | $15K | — | Filing → |
| ATRA | SELL | 2025-11-19 | $38K | — | Filing → |
| ATRA | SELL | 2025-05-20 | $22K | — | Filing → |