| 2021-11-16 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 3,332 0.0034% | $17.12 | $57,034 | -60.79% | |
| 2021-11-15 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 7,000 0.0075% | $17.71 | $124,004 | -59.75% | |
| 2021-09-22 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 10,500 0.0114% | $17.00 | $178,500 | -44.67% | |
| 2021-09-15 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 3,116 0.0033% | $15.61 | $48,647 | -40.85% | |
| 2021-08-30 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 3,500 0.0038% | $15.00 | $52,500 | -31.94% | |
| 2021-08-17 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 2,426 0.0026% | $12.53 | $30,403 | +4.18% | |
| 2021-05-18 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 2,453 0.0027% | $14.55 | $35,691 | +0.55% | |
| 2021-05-17 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 3,500 0.004% | $15.00 | $52,500 | +1.67% | |
| 2021-04-05 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 655 0.0007% | $14.74 | $9,655 | 0% | |
| 2021-03-26 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 2,640 0.0028% | $14.58 | $38,491 | -0.68% | |
| 2021-03-15 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 7,000 0.0077% | $17.41 | $121,870 | -14.45% | |
| 2021-03-02 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 1,665 0.0018% | $16.74 | $27,872 | -11.51% | |
| 2021-02-08 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 3,886 0.0042% | $20.39 | $79,236 | -26.54% | |
| 2021-01-15 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 7,000 0.0077% | $18.84 | $131,880 | -16.34% | |
| 2020-12-16 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 7,000 0.0098% | $23.11 | $161,735 | -30.09% | |
| 2020-11-17 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 1,648 0.0022% | $19.77 | $32,588 | -23.11% | |
| 2020-11-13 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 7,500 0.0104% | $18.49 | $138,688 | -13.13% | |
| 2020-08-18 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 1,678 0.0021% | $12.09 | $20,287 | +22.02% | |
| 2020-05-18 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 1,603 0.0024% | $11.22 | $17,986 | +29.95% | |
| 2020-04-06 | Sale | Atara Biotherapeutics, Inc. ATRA | Chief Operations Officer | 657 0.0009% | $7.94 | $5,217 | +75.15% |