Mitchall G. Clark, EVP & Chief R & QA Officer at Atara Biotherapeutics, Inc. (ATRA), sold 51,720 shares at $50.03 ($2.6M) on 2018-05-18, disclosed to the SEC on 2018-05-21.
Seasonal sale ($2.6M) by EVP & Chief R & QA Officer — this insider has traded ATRA in May in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $50.03 | 25,860 | $1.3M | 50.0% |
| 2 | $50.03 | 25,860 | $1.3M | 50.0% |
| Total | $50.03 avg | 51,720 | $2.6M | 100% |
| Filing → |
| ATRA | SELL | 2018-03-28 | $3.8M | — | Filing → |
| ATRA | SELL | 2017-11-17 | $47K | — | Filing → |
| ATRA | SELL | 2017-08-17 | $43K | — | Filing → |