| Sep 22, 2018 FForm 4 → | Sep 25, 4:17 pm EDT | Atara Biotherapeutics, Inc.ATRA | 22,158 | $39.85 | $882,996 | 243,966 | — | plan? |
| Aug 15, 2018 FForm 4 → | Aug 16, 8:16 pm EDT | Atara Biotherapeutics, Inc.ATRA | 382 | $35.90 | $13,714 | 266,124 | — | plan? |
| May 15, 2018 FForm 4 → | May 16, 8:39 pm EDT | Atara Biotherapeutics, Inc.ATRA | 382 | $45.90 | $17,534 | 266,506 | — | plan? |
| Feb 15, 2018 FMForm 4 → | Feb 20, 8:23 pm EST | Atara Biotherapeutics, Inc.ATRA | 4,220 | $47.05 | $68,505 | 266,888 | — | plan? |
| Feb 9, 2018 FForm 4 → | Feb 12, 8:55 pm EST | Atara Biotherapeutics, Inc.ATRA | 4,169 | $41.70 | $173,847 | 265,580 | — | plan? |
| Feb 6, 2018 AFForm 4 → | Feb 8, 5:44 pm EST | Atara Biotherapeutics, Inc.ATRA | 21,487 | $35.80 | $142,735 | 269,749 | — | plan? |
| Nov 17, 2017 SForm 4 → | Nov 17, 6:49 pm EST | Atara Biotherapeutics, Inc.ATRA | 7,000 | $15.00 | $105,000 | 256,236 | −2.66% | plan? |
| Nov 15, 2017 MForm 4 → | Nov 17, 6:49 pm EST | Atara Biotherapeutics, Inc.ATRA | 4,146 | — | — | 263,236 | — | plan? |
| Aug 15, 2017 MForm 4 → | Aug 17, 5:37 pm EDT | Atara Biotherapeutics, Inc.ATRA | 4,145 | — | — | 261,554 | — | plan? |
| Aug 15, 2017 SForm 4 → | Aug 17, 5:37 pm EDT | Atara Biotherapeutics, Inc.ATRA | 9,464 | $14.88 | $140,802 | 259,090 | −3.52% | plan? |
| May 15, 2017 MForm 4 → | May 17, 4:56 pm EDT | Atara Biotherapeutics, Inc.ATRA | 10,556 | — | — | 270,083 | — | plan? |
| May 15, 2017 SForm 4 → | May 17, 4:56 pm EDT | Atara Biotherapeutics, Inc.ATRA | 12,674 | $15.16 | $192,098 | 264,409 | −4.57% | plan? |
| Mar 10, 2017 SForm 4 → | Mar 13, 5:42 pm EDT | Atara Biotherapeutics, Inc.ATRA | 2,500 | $20.00 | $50,000 | 266,527 | −0.93% | plan? |
| Feb 15, 2017 MForm 4 → | Feb 16, 8:10 pm EST | Atara Biotherapeutics, Inc.ATRA | 13,762 | — | — | 276,300 | — | plan? |
| Feb 14, 2017 SForm 4 → | Feb 16, 8:10 pm EST | Atara Biotherapeutics, Inc.ATRA | 14,273 | $15.42 | $220,144 | 269,027 | −5.04% | plan? |
| Feb 10, 2017 SForm 4 → | Feb 13, 6:15 pm EST | Atara Biotherapeutics, Inc.ATRA | 6,274 | $15.47 | $97,029 | 269,538 | −2.27% | plan? |
| Feb 6, 2017 AForm 4 → | Feb 8, 5:36 pm EST | Atara Biotherapeutics, Inc.ATRA | 45,000 | — | — | 275,812 | — | plan? |
| Nov 17, 2016 SForm 4 → | Nov 22, 5:31 pm EST | Atara Biotherapeutics, Inc.ATRA | 1,480 | $18.41 | $27,247 | 230,812 | −0.64% | plan? late |
| Nov 15, 2016 MForm 4 → | Nov 16, 8:17 pm EST | Atara Biotherapeutics, Inc.ATRA | 13,761 | — | — | 239,428 | — | plan? |
| Nov 14, 2016 SForm 4 → | Nov 16, 8:17 pm EST | Atara Biotherapeutics, Inc.ATRA | 16,718 | $20.00 | $334,421 | 232,292 | −6.71% | plan? |
| Sep 22, 2016 AForm 4 → | Sep 23, 7:25 pm EDT | Atara Biotherapeutics, Inc.ATRA | 90,000 | — | — | 235,249 | — | plan? |
| Aug 16, 2016 SForm 4 → | Aug 17, 7:46 pm EDT | Atara Biotherapeutics, Inc.ATRA | 5,356 | $22.41 | $120,040 | 145,249 | −3.56% | plan? |
| Aug 15, 2016 MForm 4 → | Aug 17, 7:46 pm EDT | Atara Biotherapeutics, Inc.ATRA | 13,761 | — | — | 150,605 | — | plan? |
| May 17, 2016 SForm 4 → | May 18, 7:06 pm EDT | Atara Biotherapeutics, Inc.ATRA | 5,427 | $15.91 | $86,344 | 136,844 | −3.81% | plan? |
| May 16, 2016 MForm 4 → | May 18, 7:06 pm EDT | Atara Biotherapeutics, Inc.ATRA | 13,761 | — | — | 142,271 | — | plan? |
| Feb 17, 2016 SForm 4 → | Feb 18, 8:14 pm EST | Atara Biotherapeutics, Inc.ATRA | 5,711 | $16.77 | $95,786 | 128,510 | −4.25% | plan? |
| Feb 16, 2016 MForm 4 → | Feb 18, 8:14 pm EST | Atara Biotherapeutics, Inc.ATRA | 13,761 | — | — | 134,221 | — | plan? |
| Feb 9, 2016 AForm 4 → | Feb 11, 8:51 pm EST | Atara Biotherapeutics, Inc.ATRA | 48,447 | — | — | 120,460 | — | plan? |
| Nov 17, 2015 SForm 4 → | Nov 18, 6:59 pm EST | Atara Biotherapeutics, Inc.ATRA | 7,586 | $31.22 | $236,846 | 72,013 | −9.53% | plan? |
| Nov 16, 2015 MForm 4 → | Nov 18, 6:59 pm EST | Atara Biotherapeutics, Inc.ATRA | 13,762 | — | — | 79,599 | — | plan? |
| Aug 17, 2015 SForm 4 → | Aug 19, 8:37 pm EDT | Atara Biotherapeutics, Inc.ATRA | 16,489 | $49.76 | $820,526 | 65,837 | −20.0% | plan? |
| Aug 17, 2015 MForm 4 → | Aug 19, 8:37 pm EDT | Atara Biotherapeutics, Inc.ATRA | 16,538 | $11.00 | $30,558 | 82,326 | — | plan? |
| May 15, 2015 FMForm 4 → | May 19, 6:53 pm EDT | Atara Biotherapeutics, Inc.ATRA | 151,090 | $37.30 | $1,822,142 | 65,788 | — | plan? |
| Jan 16, 2015 AForm 4 → | Jan 21, 4:41 pm EST | Atara Biotherapeutics, Inc.ATRA | 12,400 | — | — | 12,400 | — | plan? |