Derrell Porter, SVP, Head of Global Commercial at Atara Biotherapeutics, Inc. (ATRA), sold 32,668 shares at $45.02 ($1.5M) on 2018-05-15, disclosed to the SEC on 2018-05-16.
Open-market sale of $1.5M 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $45.02 | 16,334 | $735K | 50.0% |
| 2 | $45.02 | 16,334 | $735K | 50.0% |
| Total | $45.02 avg | 32,668 | $1.5M | 100% |
| Filing → |
| ATRA | SELL | 2018-05-08 | $124K | — | Filing → |