Brian K. Halak, 10% Owner at Atara Biotherapeutics, Inc. (ATRA), bought 15,890 shares at $11.00 ($20K) on 2014-10-21, disclosed to the SEC on 2014-10-21.
Open-market purchase of $20k ATRA by 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $0.00 | 14,049 | $0 | 0.0% |
| 2 | $11.00 | 1,841 | $20K | 100.0% |
| Total | $1.27 avg | 15,890 | $20K | 100% |
| Filing → |
| DRNA | SELL | 2018-11-01 | $2.5M | — | Filing → |
| EVOK | SELL | 2015-08-20 | $1K | — | Filing → |
| ESPR | BUY | 2014-10-21 | $10.0M | — | Filing → |