Isaac E. Ciechanover, Chief Executive Officer at Atara Biotherapeutics, Inc. (ATRA), sold 7,800 shares at $36.27 ($286K) on 2019-04-11, disclosed to the SEC on 2019-04-12.
Seasonal sale ($286k) by Chief Executive Officer — this insider has traded ATRA in April in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $37.04 | 3,900 | $144K | 50.5% |
| 2 | $36.27 | 3,900 | $141K | 49.5% |
| Total | $36.66 avg | 7,800 | $286K | 100% |
| Filing → |
| ATRA | SELL | 2019-04-29 | $262K | — | Filing → |
| ATRA | SELL | 2019-04-01 | $81K | — | Filing → |
| ATRA | SELL | 2019-03-18 | $437K | — | Filing → |