Mitchall G. Clark, EVP & Chief R & QA Officer at Atara Biotherapeutics, Inc. (ATRA), sold 8,994 shares at $46.04 ($414K) on 2018-05-16, disclosed to the SEC on 2018-05-16.
Seasonal sale ($414k) 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 | $46.04 | 4,347 | $200K | 48.3% |
| 2 | $46.04 | 4,347 | $200K | 48.3% |
| 3 | $46.30 | 300 | $14K | 3.4% |
| Total | $46.05 avg | 8,994 | $414K | 100% |
| Filing → |
| ATRA | SELL | 2018-03-28 | $3.8M | — | Filing → |
| ATRA | SELL | 2017-11-17 | $47K | — | Filing → |
| ATRA | SELL | 2017-08-17 | $43K | — | Filing → |