| Lastest Insider Transactions Of Atara Biotherapeutics, Inc. ( ATRA ) |
| Symbol | Company Name | Insider Name | Title | Date | Transation | Share | Price | Amount | File Date |
| ATRA | Atara Biotherapeutics, Inc. | DOBMEIER ERIC | Directior | 2019-06-27 | Buy | 2,000 | 19.50 | 39,000 | 2019-07-01 17:01:19 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2019-05-29 | Sell | 5,850 | 23.09 | 135,089 | 2019-05-31 16:16:00 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2019-05-13 | Sell | 7,800 | 24.61 | 191,973 | 2019-05-15 16:35:38 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2019-05-06 | Sell | 1,500 | 35.00 | 52,500 | 2019-05-07 16:31:51 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2019-05-06 | Option Exercise | 1,500 | 20.40 | 30,600 | 2019-05-07 16:31:51 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2019-04-25 | Sell | 7,800 | 33.54 | 261,582 | 2019-04-29 17:36:33 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2019-04-10 | Sell | 7,800 | 36.66 | 285,909 | 2019-04-12 16:19:07 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2019-04-01 | Sell | 1,500 | 39.96 | 59,940 | 2019-04-03 19:22:28 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2019-04-01 | Option Exercise | 1,500 | 20.40 | 30,600 | 2019-04-03 19:22:28 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2019-03-28 | Sell | 7,800 | 38.66 | 301,546 | 2019-04-01 16:16:48 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2019-02-01 | Sell | 500 | 38.44 | 19,220 | 2019-04-01 16:16:18 |
| ATRA | Atara Biotherapeutics, Inc. | MARCUS JOEL S | Directior | 2019-03-15 | Sell | 20,000 | 38.25 | 765,000 | 2019-03-19 16:19:25 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2019-03-14 | Sell | 7,800 | 39.48 | 307,953 | 2019-03-18 16:13:25 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2019-03-01 | Sell | 1,500 | 36.13 | 54,202 | 2019-03-05 18:58:31 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2019-03-01 | Option Exercise | 1,500 | 20.40 | 30,600 | 2019-03-05 18:58:31 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2019-02-27 | Sell | 7,800 | 36.14 | 281,891 | 2019-03-01 16:10:49 |
| ATRA | Atara Biotherapeutics, Inc. | MARCUS JOEL S | Directior | 2019-02-27 | Sell | 62,590 | 36.07 | 2,257,621 | 2019-03-01 16:09:57 |
| ATRA | Atara Biotherapeutics, Inc. | MARCUS JOEL S | Directior | 2019-02-27 | Option Exercise | 62,500 | 19.97 | 1,248,015 | 2019-03-01 16:09:57 |
| ATRA | Atara Biotherapeutics, Inc. | Haqq Christopher | EVP, R&D & Chief Scientific Of | 2019-02-15 | Sell | 775 | 39.59 | 30,682 | 2019-02-19 17:08:22 |
| ATRA | Atara Biotherapeutics, Inc. | Porter Derrell | SVP, Head of Global Commercial | 2019-02-15 | Sell | 5,909 | 40.00 | 236,360 | 2019-02-19 17:05:30 |
| ATRA | Atara Biotherapeutics, Inc. | Porter Derrell | SVP, Head of Global Commercial | 2019-02-15 | Option Exercise | 4,000 | 14.30 | 57,200 | 2019-02-19 17:05:30 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2019-02-09 | Sell | 7,800 | 38.77 | 302,367 | 2019-02-12 19:18:27 |
| ATRA | Atara Biotherapeutics, Inc. | Haqq Christopher | EVP, R&D & Chief Scientific Of | 2019-02-11 | Sell | 13,975 | 38.55 | 538,736 | 2019-02-11 19:10:23 |
| ATRA | Atara Biotherapeutics, Inc. | Haqq Christopher | EVP, R&D & Chief Scientific Of | 2019-02-06 | Sell | 12,375 | 38.62 | 477,922 | 2019-02-08 16:28:15 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2019-02-01 | Sell | 1,500 | 38.01 | 57,020 | 2019-02-01 18:49:08 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2019-02-01 | Option Exercise | 1,500 | 20.40 | 30,600 | 2019-02-01 18:49:08 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2019-01-23 | Sell | 7,800 | 35.06 | 273,433 | 2019-01-25 20:16:56 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2019-01-09 | Sell | 7,800 | 34.55 | 269,470 | 2019-01-10 18:08:04 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2019-01-02 | Sell | 1,500 | 35.00 | 52,500 | 2019-01-02 19:51:09 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2019-01-02 | Option Exercise | 1,500 | 20.40 | 30,600 | 2019-01-02 19:51:09 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2018-12-27 | Sell | 7,800 | 33.88 | 264,233 | 2018-12-28 18:51:28 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2018-12-12 | Sell | 7,800 | 42.66 | 332,709 | 2018-12-13 18:58:16 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2018-12-03 | Sell | 1,500 | 41.14 | 61,704 | 2018-12-03 19:00:20 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2018-12-03 | Option Exercise | 1,500 | 20.40 | 30,600 | 2018-12-03 19:00:20 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2018-11-28 | Sell | 7,800 | 40.39 | 315,035 | 2018-11-29 19:39:09 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2018-11-14 | Sell | 7,800 | 34.62 | 270,052 | 2018-11-15 19:06:49 |
| ATRA | Atara Biotherapeutics, Inc. | Haqq Christopher | EVP, R&D & Chief Scientific Of | 2018-11-15 | Sell | 775 | 33.81 | 26,203 | 2018-11-15 16:53:37 |
| ATRA | Atara Biotherapeutics, Inc. | MARCUS JOEL S | Directior | 2018-11-07 | Sell | 10,000 | 36.35 | 363,500 | 2018-11-08 16:08:47 |
| ATRA | Atara Biotherapeutics, Inc. | MARCUS JOEL S | Directior | 2014-10-21 | Buy | 9,090 | 11.00 | 99,990 | 2018-11-08 16:07:07 |
| ATRA | Atara Biotherapeutics, Inc. | Gallagher Carol Giltner | Directior | 2018-11-07 | Sell | 21,374 | 36.38 | 777,586 | 2018-11-07 19:44:51 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2018-11-01 | Sell | 1,500 | 35.00 | 52,500 | 2018-11-02 20:15:53 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2018-11-01 | Option Exercise | 1,500 | 20.40 | 30,600 | 2018-11-02 20:15:53 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2018-10-22 | Sell | 7,800 | 33.95 | 264,796 | 2018-10-23 18:10:07 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2018-10-04 | Sell | 7,800 | 40.22 | 313,753 | 2018-10-05 19:45:05 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2018-10-01 | Sell | 1,500 | 41.28 | 61,918 | 2018-10-02 16:25:31 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2018-10-01 | Option Exercise | 1,500 | 20.40 | 30,600 | 2018-10-02 16:25:31 |
| ATRA | Atara Biotherapeutics, Inc. | Haqq Christopher | EVP, R&D & Chief Scientific Of | 2018-09-26 | Sell | 13,500 | 43.08 | 581,580 | 2018-09-27 16:56:25 |
| ATRA | Atara Biotherapeutics, Inc. | Haqq Christopher | EVP, R&D & Chief Scientific Of | 2018-09-24 | Sell | 31,500 | 40.17 | 1,265,331 | 2018-09-25 17:02:28 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2018-09-18 | Sell | 7,800 | 39.80 | 310,479 | 2018-09-20 16:26:06 |
| ATRA | Atara Biotherapeutics, Inc. | Koppikar Utpal | Chief Financial Officer | 2018-07-27 | Buy | 2,000 | 36.80 | 73,600 | 2018-09-11 18:49:12 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2018-09-06 | Sell | 7,800 | 39.35 | 306,923 | 2018-09-10 16:19:42 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2018-09-04 | Sell | 1,500 | 39.45 | 59,178 | 2018-09-05 17:28:58 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2018-09-04 | Option Exercise | 1,500 | 20.40 | 30,600 | 2018-09-05 17:28:58 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2018-08-20 | Sell | 7,800 | 36.37 | 283,647 | 2018-08-22 16:19:02 |
| ATRA | Atara Biotherapeutics, Inc. | Haqq Christopher | EVP, R&D & Chief Scientific Of | 2018-08-15 | Sell | 775 | 37.54 | 29,094 | 2018-08-16 17:12:09 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2018-08-06 | Sell | 7,800 | 37.43 | 291,957 | 2018-08-07 17:56:27 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2018-08-01 | Sell | 1,500 | 37.74 | 56,610 | 2018-08-01 18:21:06 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2018-08-01 | Option Exercise | 1,500 | 20.40 | 30,600 | 2018-08-01 18:21:06 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2018-07-30 | Sell | 10,000 | 35.78 | 357,787 | 2018-07-31 17:08:49 |
| ATRA | Atara Biotherapeutics, Inc. | Newell Joe | Chief Tech. Operations Officer | 2018-07-30 | Option Exercise | 10,000 | 20.40 | 204,000 | 2018-07-31 17:08:49 |
| ATRA | Atara Biotherapeutics, Inc. | Ciechanover Isaac E. | Chief Executive Officer | 2018-07-26 | Sell | 7,800 | 38.00 | 296,432 | 2018-07-30 16:43:08 |
