Insider Activity of Porter Derrell
The largest sale of all time was on 2018-05-15 and amounted to 16334 shares of Atara Biotherapeutics, Inc. for $735,357.
Biography of Porter Derrell
No biography is available at this moment.
The largest sale of all time was on 2018-05-15 and amounted to 16334 shares of Atara Biotherapeutics, Inc. for $735,357.
No biography is available at this moment.
| 2019-02-15 | Sale | Atara Biotherapeutics, Inc. ATRA | SVP, Head of Global Commercial | 5,909 0.0127% | $40.00 | $236,360 | -61.38% | |
| 2018-05-15 | Sale | Atara Biotherapeutics, Inc. ATRA | SVP, Head of Global Commercial | 16,334 0.0361% | $45.02 | $735,357 | -16.67% | |
| 2018-05-08 | Sale | Atara Biotherapeutics, Inc. ATRA | SVP, Head of Global Commercial | 1,544 0.0035% | $40.15 | $61,992 | -2.95% |