Gad Soffer, Chief Operating Officer at Atara Biotherapeutics, Inc. (ATRA), sold 10,854 shares at $15.91 ($173K) on 2016-05-17, disclosed to the SEC on 2016-05-18.
Open-market sale of $173k ATRA by Chief Operating 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 | $15.91 | 5,427 | $86K | 50.0% |
| 2 | $15.91 | 5,427 | $86K | 50.0% |
| Total | $15.91 avg | 10,854 | $173K | 100% |
| Filing → |
| ATRA | SELL | 2017-08-17 | $141K | — | Filing → |
| ATRA | SELL | 2017-05-17 | $192K | — | Filing → |
| ATRA | SELL | 2017-03-13 | $50K | — | Filing → |