Isaac E. Ciechanover, Chief Executive Officer at Atara Biotherapeutics, Inc. (ATRA), sold 7,800 shares at $24.23 ($192K) on 2019-05-13, disclosed to the SEC on 2019-05-15.
Seasonal sale ($192k) by Chief Executive Officer — this insider has traded ATRA in May in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $24.23 | 3,500 | $85K | 44.2% |
| 2 | $24.95 | 400 | $10K | 5.2% |
| 3 | $24.92 | 3,900 | $97K | 50.6% |
| Total | $24.61 avg | 7,800 | $192K | 100% |
| Filing → |
| ATRA | SELL | 2019-04-12 | $286K | — | Filing → |
| ATRA | SELL | 2019-04-01 | $81K | — | Filing → |
| ATRA | SELL | 2019-03-18 | $437K | — | Filing → |