AnhCo Nguyen, EVP, Chief Sci. & Technology Officer at Atara Biotherapeutics, Inc. (ATRA), sold 15,126 shares at $1.65 ($25K) on 2023-08-16, disclosed to the SEC on 2023-08-18.
Open-market sale of $25k 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $1.65 | 5,849 | $10K | 38.7% |
| 2 | $1.65 | 9,277 | $15K | 61.3% |
| Total | $1.65 avg | 15,126 | $25K | 100% |
| Filing → |
| ATRA | SELL | 2026-03-04 | $15K | — | Filing → |
| ATRA | SELL | 2025-11-19 | $38K | — | Filing → |
| ATRA | SELL | 2025-08-20 | $34K | — | Filing → |