Gad Soffer, Chief Operating Officer at Atara Biotherapeutics, Inc. (ATRA), sold 3,783 shares at $17.13 ($65K) on 2016-02-17, disclosed to the SEC on 2016-02-18.
Open-market sale of $65k 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.
| Filing → |
| ATRA | SELL | 2017-08-17 | $141K | — | Filing → |
| ATRA | SELL | 2017-05-17 | $192K | — | Filing → |
| ATRA | SELL | 2017-05-17 | $86K | — | Filing → |