Derrell Porter, SVP, Head of Global Commercial at Atara Biotherapeutics, Inc. (ATRA), sold 5,909 shares at $40.00 ($236K) on 2019-02-15, disclosed to the SEC on 2019-02-19.
Open-market sale of $236k ATRA by SVP, Head of Global Commercial. 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.
| Filing → |
| ATRA | SELL | 2018-05-08 | $124K | — | Filing → |