Isaac E. Ciechanover, Chief Executive Officer at Atara Biotherapeutics, Inc. (ATRA), sold 7,800 shares at $33.47 ($262K) on 2019-04-26, disclosed to the SEC on 2019-04-29.
Seasonal sale ($262k) 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 | $33.57 | 3,600 | $121K | 46.2% |
| 2 | $33.99 | 300 | $10K | 3.9% |
| 3 | $33.47 | 3,900 | $131K | 49.9% |
| Total | $33.54 avg | 7,800 | $262K | 100% |
| Filing → |
| ATRA | SELL | 2019-04-12 | $286K | — | Filing → |
| ATRA | SELL | 2019-04-01 | $81K | — | Filing → |
| ATRA | SELL | 2019-03-18 | $437K | — | Filing → |