| 2018-03-20 | Sale | Atara Biotherapeutics, Inc. ATRA | EVP & Chief Financial Officer | 3,000 0.0072% | $38.83 | $116,490 | -4.41% | |
| 2018-03-19 | Sale | Atara Biotherapeutics, Inc. ATRA | EVP & Chief Financial Officer | 3,000 0.0082% | $41.99 | $125,970 | +0.94% | |
| 2018-02-16 | Sale | Atara Biotherapeutics, Inc. ATRA | EVP & Chief Financial Officer | 6,500 0.0171% | $47.37 | $307,920 | -13.18% | |
| 2018-02-15 | Sale | Atara Biotherapeutics, Inc. ATRA | EVP & Chief Financial Officer | 6,500 0.0163% | $46.77 | $304,005 | -16.2% | |
| 2018-01-12 | Sale | Atara Biotherapeutics, Inc. ATRA | EVP & Chief Financial Officer | 33,500 0.074% | $24.72 | $828,120 | +40.18% | |
| 2018-01-11 | Sale | Atara Biotherapeutics, Inc. ATRA | EVP & Chief Financial Officer | 3,500 0.0083% | $20.77 | $72,695 | +78.78% | |
| 2017-12-29 | Sale | Atara Biotherapeutics, Inc. ATRA | EVP & Chief Financial Officer | 32,000 0.1184% | $20.00 | $640,000 | +118.78% | |
| 2017-08-16 | Sale | Atara Biotherapeutics, Inc. ATRA | EVP & Chief Financial Officer | 2,100 0.0069% | $14.39 | $30,219 | +156.1% | |
| 2017-08-15 | Sale | Atara Biotherapeutics, Inc. ATRA | EVP & Chief Financial Officer | 2,100 0.0069% | $14.23 | $29,883 | +157.89% | |
| 2017-05-16 | Sale | Atara Biotherapeutics, Inc. ATRA | EVP & Chief Financial Officer | 4,000 0.0137% | $15.27 | $61,080 | +1.15% | |
| 2017-05-15 | Sale | Atara Biotherapeutics, Inc. ATRA | EVP & Chief Financial Officer | 4,000 0.0135% | $15.11 | $60,440 | +0.33% | |
| 2017-03-23 | Sale | Atara Biotherapeutics, Inc. ATRA | EVP & Chief Financial Officer | 13,000 0.0449% | $21.08 | $274,040 | -27.38% | |
| 2017-03-22 | Sale | Atara Biotherapeutics, Inc. ATRA | EVP & Chief Financial Officer | 15,000 0.0487% | $20.27 | $304,050 | -29.07% | |
| 2017-03-10 | Sale | Atara Biotherapeutics, Inc. ATRA | EVP & Chief Financial Officer | 48,000 0.1573% | $20.00 | $960,000 | -27.38% | |
| 2017-02-21 | Sale | Atara Biotherapeutics, Inc. ATRA | EVP & Chief Financial Officer | 18,000 0.0603% | $15.14 | $272,520 | -1.93% | |
| 2016-11-11 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Financial Officer | 5,000 0.0167% | $19.37 | $96,850 | -24.32% | |
| 2016-11-10 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Financial Officer | 5,000 0.0178% | $19.84 | $99,175 | -21.39% | |
| 2016-10-12 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Financial Officer | 5,000 0.0175% | $16.41 | $82,050 | -5.96% | |
| 2016-10-11 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Financial Officer | 5,000 0.0168% | $17.46 | $87,325 | -14.92% | |
| 2016-05-16 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Financial Officer | 10,790 0.0364% | $15.77 | $170,158 | +13.31% |