Joe Newell, Chief Operations Officer at Atara Biotherapeutics, Inc. (ATRA), sold 6,664 shares at $17.12 ($114K) on 2021-11-16, disclosed to the SEC on 2021-11-18.
Open-market sale of $114k ATRA by Chief Operations Officer. 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $17.12 | 3,332 | $57K | 50.0% |
| 2 | $17.12 | 3,332 | $57K | 50.0% |
| Total | $17.12 avg | 6,664 | $114K | 100% |
| Filing → |
| ATRA | SELL | 2021-09-17 | $49K | — | Filing → |
| ATRA | SELL | 2021-08-31 | $53K | — | Filing → |
| ATRA | SELL | 2021-08-19 | $30K | — | Filing → |