Mitchall G. Clark, Chief R & QA Officer at Atara Biotherapeutics, Inc. (ATRA), sold 5,990 shares at $19.53 ($117K) on 2016-11-16, disclosed to the SEC on 2016-11-17.
Open-market sale of $117k ATRA by Chief R & QA 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 | $19.53 | 2,995 | $58K | 50.0% |
| 2 | $19.53 | 2,995 | $58K | 50.0% |
| Total | $19.53 avg | 5,990 | $117K | 100% |
| Filing → |
| ATRA | SELL | 2018-04-03 | $898K | — | Filing → |
| ATRA | SELL | 2018-03-28 | $3.8M | — | Filing → |
| ATRA | SELL | 2017-11-17 | $47K | — | Filing → |