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ATRA - As of  08/17/18, 07:02:50 PM:   417 Insider Transactions.

Sector: Unknown    Industry: Unknown
Prev Close:$22.67  Avg Vol(3m): 242,130  P/E: 0.00  EPS: -2.37

Email this page to a friend.    Institutional Transactions for ATRA

                Buy: Blue    Sell: Red
Non-meaningful transactions (gifts, grants, etc.) are automatically filtered out for quicker actions.
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P/S date Filed Date Company Symbol Insider Relationship Share Amt. Unit Price Total Proceeds Shares Owned Return(1m) Details
S 2018-08-15 2018-08-16 17:12:57.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 775 $37.54 $29,093.50 331,355 view
S 2018-08-07 2018-08-07 17:57:17.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 300 $37.75 $11,325.00 82,078 view
S 2018-08-07 2018-08-07 17:57:17.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,600 $37.35 $134,460.00 82,378 view
S 2018-08-06 2018-08-07 17:57:17.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,900 $37.48 $146,172.00 85,978 view
S 2018-08-01 2018-08-01 18:21:58.0 Atara Biotherapeutics, Inc. ATRA Newell Joe officer (Chief Tech. Operations Officer) 100 $40.40 $4,040.00 31,858 view
S 2018-08-01 2018-08-01 18:21:58.0 Atara Biotherapeutics, Inc. ATRA Newell Joe officer (Chief Tech. Operations Officer) 300 $39.05 $11,715.00 31,958 view
S 2018-08-01 2018-08-01 18:21:58.0 Atara Biotherapeutics, Inc. ATRA Newell Joe officer (Chief Tech. Operations Officer) 100 $37.65 $3,765.00 32,258 view
S 2018-08-01 2018-08-01 18:21:58.0 Atara Biotherapeutics, Inc. ATRA Newell Joe officer (Chief Tech. Operations Officer) 1,000 $37.09 $37,090.00 32,358 view
S 2018-07-30 2018-07-31 17:10:46.0 Atara Biotherapeutics, Inc. ATRA Newell Joe officer (Chief Tech. Operations Officer) 1,900 $36.37 $69,103.00 31,858 view
S 2018-07-30 2018-07-31 17:10:46.0 Atara Biotherapeutics, Inc. ATRA Newell Joe officer (Chief Tech. Operations Officer) 8,100 $35.64 $288,684.00 33,758 view
S 2018-07-27 2018-07-30 16:44:10.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,700 $37.53 $63,801.00 89,878 view
S 2018-07-27 2018-07-30 16:44:10.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $36.55 $80,410.00 91,578 view
S 2018-07-26 2018-07-30 16:44:10.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 100 $39.45 $3,945.00 93,778 view
S 2018-07-26 2018-07-30 16:44:10.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,800 $39.02 $148,276.00 93,878 view
S 2018-07-10 2018-07-11 16:10:48.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 6,100 $40.54 $247,294.00 97,678 view
S 2018-07-10 2018-07-11 16:10:48.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 22,300 $39.93 $890,439.00 103,778 view
S 2018-07-09 2018-07-11 16:10:48.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,141 $40.63 $86,988.80 126,078 view
S 2018-07-09 2018-07-11 16:10:48.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 27,859 $39.88 $1,111,020.00 128,219 view
S 2018-06-27 2018-06-27 19:16:26.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 500 $39.40 $19,700.00 156,078 view
S 2018-06-27 2018-06-27 19:16:26.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,500 $37.57 $56,355.00 156,578 view
S 2018-06-26 2018-06-27 19:16:26.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,700 $40.79 $69,343.00 158,078 view
S 2018-06-26 2018-06-27 19:16:26.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,700 $40.01 $108,027.00 159,778 view
S 2018-06-18 2018-06-19 16:35:56.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 400 $45.29 $18,116.00 110,192 view
S 2018-06-18 2018-06-19 16:35:56.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 2,100 $44.68 $93,828.00 110,592 view
S 2018-06-06 2018-06-06 19:19:12.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,000 $48.59 $48,590.00 162,478 view
S 2018-06-06 2018-06-06 19:19:12.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,500 $47.69 $71,535.00 163,478 view
S 2018-06-06 2018-06-06 19:19:12.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,900 $46.53 $88,407.00 164,978 view
S 2018-06-05 2018-06-06 19:19:12.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,200 $50.27 $60,324.00 166,878 view
S 2018-06-05 2018-06-06 19:19:12.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,200 $49.51 $158,432.00 168,078 view
S 2018-05-22 2018-05-22 19:03:01.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,400 $50.88 $223,872.00 171,278 view
S 2018-05-21 2018-05-22 19:03:01.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 900 $53.64 $48,276.00 175,678 view
S 2018-05-21 2018-05-22 19:03:01.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,000 $52.83 $105,660.00 176,578 view
S 2018-05-21 2018-05-22 19:03:01.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,500 $51.67 $77,505.00 178,578 view
S 2018-05-18 2018-05-21 18:34:02.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (EVP & Chief R & QA Officer) 25,860 $50.03 $1,293,780.00 107,972 view
S 2018-05-15 2018-05-16 20:42:32.0 Atara Biotherapeutics, Inc. ATRA Porter Derrell officer (SVP, Head of Global Commercial) 16,334 $45.02 $735,357.00 12,500 view
S 2018-05-14 2018-05-16 20:41:16.0 Atara Biotherapeutics, Inc. ATRA Fust Matthew K director 12,286 $43.57 $535,301.00 19,820 view
S 2018-05-16 2018-05-16 20:39:28.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (EVP & Chief R & QA Officer) 300 $46.30 $13,890.00 133,832 view
S 2018-05-16 2018-05-16 20:39:28.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (EVP & Chief R & QA Officer) 4,347 $46.04 $200,136.00 134,132 view
S 2018-05-16 2018-05-16 20:38:30.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 273 $46.06 $12,574.40 111,192 view
S 2018-05-15 2018-05-16 20:37:36.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 9,252 $46.02 $425,777.00 332,130 view
S 2018-05-15 2018-05-16 20:37:36.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 9,638 $45.21 $435,734.00 341,382 view
S 2018-05-15 2018-05-16 20:37:36.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 6,885 $44.44 $305,969.00 351,020 view
S 2018-05-10 2018-05-10 19:46:59.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $40.98 $90,156.00 180,078 view
S 2018-05-10 2018-05-10 19:46:59.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $40.08 $88,176.00 182,278 view
S 2018-05-09 2018-05-10 19:46:59.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,100 $39.50 $122,450.00 184,478 view
S 2018-05-09 2018-05-10 19:46:59.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,300 $38.35 $49,855.00 187,578 view
S 2018-05-08 2018-05-08 20:19:14.0 Atara Biotherapeutics, Inc. ATRA Porter Derrell officer (SVP, Head of Global Commercial) 1,544 $40.15 $61,991.60 12,500 view
S 2018-04-12 2018-04-12 18:15:13.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,200 $43.69 $52,428.00 197,678 view
S 2018-04-12 2018-04-12 18:15:13.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,200 $42.63 $136,416.00 198,878 view
S 2018-04-11 2018-04-12 18:15:13.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 400 $41.37 $16,548.00 202,078 view
S 2018-04-11 2018-04-12 18:15:13.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,000 $40.77 $163,080.00 202,478 view
S 2018-03-27 2018-04-03 18:55:59.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 200 $38.40 $7,680.00 206,478 view
S 2018-03-29 2018-04-03 16:19:02.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (EVP & Chief R & QA Officer) 22,400 $40.07 $897,568.00 133,671 view
S 2018-03-27 2018-03-28 20:10:45.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (EVP & Chief R & QA Officer) 11,103 $41.10 $456,333.00 156,071 view
S 2018-03-27 2018-03-28 20:10:45.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (EVP & Chief R & QA Officer) 2,800 $40.40 $113,120.00 167,174 view
S 2018-03-27 2018-03-28 20:10:45.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (EVP & Chief R & QA Officer) 2,170 $39.53 $85,780.10 169,974 view
S 2018-03-27 2018-03-28 20:10:45.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (EVP & Chief R & QA Officer) 29,980 $38.23 $1,146,140.00 172,144 view
S 2018-03-27 2018-03-28 20:10:45.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (EVP & Chief R & QA Officer) 31,356 $37.10 $1,163,310.00 202,124 view
S 2018-03-27 2018-03-28 20:10:45.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (EVP & Chief R & QA Officer) 22,794 $36.43 $830,385.00 233,480 view
S 2018-03-27 2018-03-27 20:30:54.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 200 $38.40 $7,680.00 206,478 view
S 2018-03-27 2018-03-27 20:30:54.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,500 $37.68 $56,520.00 206,678 view
S 2018-03-27 2018-03-27 20:30:54.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,700 $36.63 $98,901.00 208,178 view
S 2018-03-26 2018-03-27 20:30:54.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,200 $41.12 $49,344.00 210,878 view
S 2018-03-26 2018-03-27 20:30:54.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,200 $39.72 $127,104.00 212,078 view
S 2018-03-26 2018-03-27 16:17:54.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 1,100 $40.29 $44,319.00 332,905 view
S 2018-03-26 2018-03-27 16:17:54.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 17,227 $39.76 $684,946.00 334,005 view
S 2018-03-20 2018-03-20 18:31:00.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 3,000 $38.83 $116,490.00 88,762 view
S 2018-03-19 2018-03-20 18:31:00.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 3,000 $41.99 $125,970.00 91,762 view
S 2018-03-16 2018-03-19 16:39:37.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,300 $42.59 $55,367.00 215,278 view
S 2018-03-16 2018-03-19 16:39:37.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,100 $41.75 $129,425.00 216,578 view
S 2018-03-15 2018-03-19 16:39:37.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,600 $42.95 $68,720.00 219,678 view
S 2018-03-15 2018-03-19 16:39:37.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,800 $41.87 $117,236.00 221,278 view
S 2018-03-12 2018-03-14 17:24:19.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 300 $46.65 $13,995.00 224,078 view
S 2018-03-12 2018-03-14 17:24:19.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 700 $46.17 $32,319.00 224,378 view
S 2018-02-22 2018-02-22 19:43:27.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,400 $45.00 $63,000.00 225,078 view
S 2018-02-22 2018-02-22 19:43:27.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,600 $44.03 $70,448.00 226,478 view
S 2018-02-22 2018-02-22 19:43:27.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,600 $42.74 $68,384.00 228,078 view
S 2018-02-21 2018-02-22 19:43:27.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,911 $44.55 $129,685.00 229,678 view
S 2018-02-21 2018-02-22 19:43:27.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,589 $43.60 $69,280.40 232,589 view
S 2018-02-20 2018-02-22 19:43:27.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 8,700 $45.28 $393,936.00 234,178 view
S 2018-02-16 2018-02-20 20:26:19.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 1,183 $46.50 $55,009.50 110,920 view
S 2018-02-16 2018-02-20 20:23:22.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 2,500 $48.08 $120,200.00 94,762 view
S 2018-02-16 2018-02-20 20:23:22.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 4,000 $46.93 $187,720.00 97,262 view
S 2018-02-15 2018-02-20 20:23:22.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 6,500 $46.77 $304,005.00 99,056 view
S 2018-02-16 2018-02-20 20:22:52.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 300 $48.43 $14,529.00 242,878 view
S 2018-02-16 2018-02-20 20:22:52.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 5,100 $47.91 $244,341.00 243,178 view
S 2018-02-16 2018-02-20 20:22:52.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,600 $46.55 $74,480.00 248,278 view
S 2018-02-16 2018-02-20 20:22:52.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,000 $45.44 $136,320.00 249,878 view
S 2018-02-15 2018-02-20 20:22:52.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 300 $48.25 $14,475.00 252,878 view
S 2018-02-15 2018-02-20 20:22:52.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,767 $47.56 $226,719.00 253,178 view
S 2018-02-15 2018-02-20 20:22:52.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,433 $46.71 $113,645.00 257,945 view
S 2018-02-15 2018-02-20 20:22:52.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,500 $45.58 $113,950.00 260,378 view
S 2018-02-14 2018-02-14 19:55:11.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,100 $49.25 $152,675.00 262,878 view
S 2018-02-14 2018-02-14 19:55:11.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 5,800 $48.42 $280,836.00 265,978 view
S 2018-02-14 2018-02-14 19:55:11.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,000 $46.94 $46,940.00 271,778 view
S 2018-02-14 2018-02-14 19:55:11.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 100 $45.05 $4,505.00 272,778 view
S 2018-02-13 2018-02-14 19:55:11.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 10,000 $45.10 $451,000.00 272,878 view
S 2018-02-09 2018-02-12 21:00:42.0 Atara Biotherapeutics, Inc. ATRA Turner Heather D officer (Former EVP, GC & Sec.) 1,562 $41.69 $65,119.80 69,494 view
S 2018-02-09 2018-02-12 21:00:42.0 Atara Biotherapeutics, Inc. ATRA Turner Heather D officer (Former EVP, GC & Sec.) 600 $40.62 $24,372.00 71,056 view
S 2018-02-09 2018-02-12 21:00:42.0 Atara Biotherapeutics, Inc. ATRA Turner Heather D officer (Former EVP, GC & Sec.) 733 $39.66 $29,070.80 71,656 view
S 2018-02-09 2018-02-12 21:00:42.0 Atara Biotherapeutics, Inc. ATRA Turner Heather D officer (Former EVP, GC & Sec.) 600 $38.63 $23,178.00 72,389 view
S 2018-02-09 2018-02-12 21:00:42.0 Atara Biotherapeutics, Inc. ATRA Turner Heather D officer (Former EVP, GC & Sec.) 4,123 $37.38 $154,118.00 72,989 view
S 2018-02-09 2018-02-12 21:00:42.0 Atara Biotherapeutics, Inc. ATRA Turner Heather D officer (Former EVP, GC & Sec.) 4,596 $36.63 $168,351.00 77,112 view
S 2018-02-09 2018-02-12 17:09:46.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 300 $41.70 $12,510.00 282,878 view
S 2018-02-09 2018-02-12 17:09:46.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 400 $40.79 $16,316.00 283,178 view
S 2018-02-09 2018-02-12 17:09:46.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 400 $38.68 $15,472.00 283,578 view
S 2018-02-09 2018-02-12 17:09:46.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,100 $37.43 $41,173.00 283,978 view
S 2018-02-09 2018-02-12 17:09:46.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $36.59 $80,498.00 285,078 view
S 2018-02-08 2018-02-12 17:09:46.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,400 $37.15 $163,460.00 287,278 view
S 2018-01-26 2018-01-29 19:39:49.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,100 $36.98 $77,658.00 291,678 view
S 2018-01-26 2018-01-29 19:39:49.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 6,100 $36.54 $222,894.00 293,778 view
S 2018-01-26 2018-01-29 19:39:49.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,100 $35.46 $39,006.00 299,878 view
S 2018-01-25 2018-01-29 19:39:49.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 200 $34.68 $6,936.00 300,978 view
S 2018-01-25 2018-01-29 19:39:49.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 8,400 $34.23 $287,532.00 301,178 view
S 2018-01-25 2018-01-29 19:39:49.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,400 $33.22 $46,508.00 309,578 view
S 2018-01-24 2018-01-24 19:44:36.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $34.99 $76,978.00 310,978 view
S 2018-01-24 2018-01-24 19:44:36.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,100 $34.40 $141,040.00 313,178 view
S 2018-01-24 2018-01-24 19:44:36.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 8,100 $33.20 $268,920.00 317,278 view
S 2018-01-23 2018-01-24 19:44:36.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 8,516 $36.15 $307,853.00 325,378 view
S 2018-01-23 2018-01-24 19:44:36.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 15,084 $35.45 $534,728.00 333,894 view
S 2018-01-23 2018-01-24 19:44:36.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 500 $34.05 $17,025.00 348,978 view
S 2018-01-22 2018-01-24 19:44:36.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,000 $34.04 $68,080.00 349,478 view
S 2018-01-22 2018-01-24 19:44:36.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 6,500 $33.08 $215,020.00 351,478 view
S 2018-01-22 2018-01-24 19:44:36.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,000 $32.17 $32,170.00 357,978 view
S 2018-01-22 2018-01-24 19:44:36.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 500 $30.93 $15,465.00 358,978 view
S 2018-01-16 2018-01-18 17:24:38.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 600 $30.38 $18,228.00 359,478 view
S 2018-01-12 2018-01-12 19:56:53.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 30,000 $25.00 $750,000.00 89,654 view
S 2018-01-12 2018-01-12 19:56:53.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 3,500 $22.32 $78,120.00 119,654 view
S 2018-01-11 2018-01-12 19:56:53.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 3,500 $20.77 $72,695.00 93,154 view
S 2018-01-12 2018-01-12 19:56:07.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 100 $30.05 $3,005.00 360,078 view
S 2018-01-11 2018-01-12 19:56:07.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 17,500 $22.01 $385,175.00 360,178 view
S 2018-01-11 2018-01-12 19:56:07.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,500 $21.49 $53,725.00 377,678 view
S 2018-01-10 2018-01-12 19:56:07.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,100 $20.38 $83,558.00 380,178 view
S 2018-01-10 2018-01-12 19:56:07.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,500 $19.64 $88,380.00 384,278 view
S 2017-12-29 2018-01-02 19:15:34.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 32,000 $20.00 $640,000.00 96,654 view
S 2017-12-29 2018-01-02 19:13:29.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,700 $20.28 $54,756.00 388,778 view
S 2017-12-29 2018-01-02 19:13:29.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,900 $19.04 $55,216.00 391,478 view
S 2017-12-29 2018-01-02 19:13:29.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 14,400 $18.24 $262,656.00 394,378 view
S 2017-12-28 2018-01-02 19:13:29.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $15.15 $33,330.00 408,778 view
S 2017-12-13 2017-12-14 17:34:56.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $14.73 $32,406.00 410,978 view
S 2017-12-12 2017-12-14 17:34:56.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $14.56 $32,032.00 413,178 view
S 2017-11-30 2017-12-01 16:37:52.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $14.40 $31,680.00 415,378 view
S 2017-11-29 2017-12-01 16:37:52.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $14.09 $30,998.00 417,578 view
S 2017-11-17 2017-11-17 18:50:25.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (EVP & Chief Strategy Officer) 7,000 $15.00 $105,000.00 256,236 view
S 2017-11-15 2017-11-17 18:27:49.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 1,604 $13.36 $21,429.40 342,530 view
S 2017-11-16 2017-11-17 18:26:40.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (EVP & Chief R & QA Officer) 3,290 $14.20 $46,718.00 163,052 view
S 2017-11-16 2017-11-17 18:24:59.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 1,184 $14.20 $16,812.80 109,738 view
S 2017-11-14 2017-11-14 20:31:43.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $13.41 $29,502.00 419,778 view
S 2017-11-13 2017-11-14 20:31:43.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $13.53 $29,766.00 421,978 view
S 2017-10-27 2017-10-30 16:19:03.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $13.60 $29,920.00 424,178 view
S 2017-10-26 2017-10-30 16:19:03.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $13.57 $29,854.00 426,378 view
S 2017-10-16 2017-10-17 16:47:19.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 6,000 $14.35 $86,100.00 343,305 view
S 2017-10-12 2017-10-12 19:55:53.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $14.78 $32,516.00 428,578 view
S 2017-10-11 2017-10-12 19:55:53.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $15.25 $33,550.00 430,778 view
S 2017-09-20 2017-09-21 16:06:21.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $15.56 $34,232.00 432,978 view
S 2017-09-19 2017-09-21 16:06:21.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $15.51 $34,122.00 435,178 view
S 2017-09-15 2017-09-18 17:47:22.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 6,000 $15.30 $91,800.00 349,305 view
S 2017-09-07 2017-09-08 16:04:02.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $14.98 $32,956.00 437,378 view
S 2017-09-06 2017-09-08 16:04:02.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $15.05 $33,110.00 439,578 view
S 2017-08-23 2017-08-24 17:11:35.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $13.51 $29,722.00 441,778 view
S 2017-08-22 2017-08-24 17:11:35.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $13.56 $29,832.00 443,978 view
S 2017-08-16 2017-08-17 17:39:27.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 1,184 $14.30 $16,931.20 108,556 view
S 2017-08-16 2017-08-17 17:38:33.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (EVP & Chief Strategy Officer) 2,464 $14.53 $35,801.90 259,090 view
S 2017-08-15 2017-08-17 17:38:33.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (EVP & Chief Strategy Officer) 7,000 $15.00 $105,000.00 257,409 view
S 2017-08-16 2017-08-17 17:37:15.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 2,100 $14.39 $30,219.00 120,957 view
S 2017-08-15 2017-08-17 17:37:15.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 2,100 $14.23 $29,883.00 123,057 view
S 2017-08-15 2017-08-17 17:36:27.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 7,604 $14.75 $112,159.00 355,305 view
S 2017-08-16 2017-08-17 17:35:32.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (EVP & Chief R & QA Officer) 3,021 $14.33 $43,290.90 159,130 view
S 2017-08-11 2017-08-14 19:24:42.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $14.58 $32,076.00 446,178 view
S 2017-08-10 2017-08-14 19:24:42.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,200 $14.75 $32,450.00 448,378 view
S 2017-07-25 2017-07-26 16:53:23.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 200 $16.79 $3,358.00 450,578 view
S 2017-07-25 2017-07-26 16:53:23.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,500 $15.97 $39,925.00 450,778 view
S 2017-07-24 2017-07-26 16:53:23.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 300 $17.32 $5,196.00 453,278 view
S 2017-07-24 2017-07-26 16:53:23.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,500 $16.89 $42,225.00 453,578 view
S 2017-07-17 2017-07-18 16:25:07.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 6,000 $14.92 $89,520.00 362,080 view
S 2017-06-15 2017-06-16 16:48:39.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 6,000 $12.65 $75,900.00 368,080 view
S 2017-06-09 2017-06-12 17:29:58.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 1,000 $13.15 $13,150.00 107,374 view
S 2017-05-31 2017-05-31 19:45:48.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,450 $13.26 $45,747.00 456,078 view
S 2017-05-30 2017-05-31 19:45:48.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,450 $13.44 $46,368.00 459,528 N/A view
S 2017-05-18 2017-05-19 16:06:57.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,400 $14.94 $35,856.00 462,978 N/A view
S 2017-05-17 2017-05-19 16:06:57.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,400 $14.88 $35,712.00 465,378 N/A view
S 2017-05-16 2017-05-17 17:02:47.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 2,000 $15.27 $30,540.00 117,460 N/A view
S 2017-05-15 2017-05-17 17:02:47.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 2,000 $14.95 $29,900.00 119,460 N/A view
S 2017-05-16 2017-05-17 17:02:30.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 1,184 $15.25 $18,056.00 103,374 N/A view
S 2017-05-15 2017-05-17 16:59:25.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 7,604 $14.99 $113,984.00 374,080 N/A view
S 2017-05-16 2017-05-17 16:58:31.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (EVP & Chief R & QA Officer) 3,873 $15.25 $59,063.20 153,000 N/A view
S 2017-05-16 2017-05-17 16:57:23.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (EVP & Chief Strategy Officer) 5,674 $15.19 $86,188.10 264,409 N/A view
S 2017-05-15 2017-05-17 16:57:23.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (EVP & Chief Strategy Officer) 7,000 $15.13 $105,910.00 259,527 N/A view
S 2017-04-26 2017-04-26 19:34:34.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,600 $17.78 $64,008.00 467,778 N/A view
S 2017-04-25 2017-04-26 19:34:34.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,500 $17.70 $26,550.00 471,378 N/A view
S 2017-04-25 2017-04-26 19:34:34.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,100 $17.07 $35,847.00 472,878 N/A view
S 2017-04-17 2017-04-19 16:30:00.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 6,000 $17.28 $103,680.00 380,855 N/A view
S 2017-04-11 2017-04-12 16:21:49.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,200 $16.99 $71,358.00 474,978 N/A view
S 2017-04-10 2017-04-12 16:21:49.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,000 $17.08 $51,240.00 479,178 N/A view
S 2017-03-28 2017-03-28 20:14:16.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 418 $19.86 $8,301.48 482,178 N/A view
S 2017-03-28 2017-03-28 20:14:16.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,182 $18.99 $60,426.20 482,596 N/A view
S 2017-03-27 2017-03-28 20:14:16.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 12,400 $20.34 $252,216.00 485,778 N/A view
S 2017-03-23 2017-03-23 20:06:53.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 6,500 $21.08 $137,020.00 112,827 N/A view
S 2017-03-22 2017-03-23 20:06:53.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 7,500 $20.27 $152,025.00 119,327 N/A view
S 2017-03-17 2017-03-20 18:51:06.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 17,600 $20.01 $352,176.00 498,178 N/A view
S 2017-03-17 2017-03-20 18:51:06.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,400 $18.50 $44,400.00 515,778 N/A view
S 2017-03-16 2017-03-20 18:51:06.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 10,800 $18.54 $200,232.00 518,178 N/A view
S 2017-03-15 2017-03-17 17:08:33.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 6,000 $19.60 $117,600.00 386,855 N/A view
S 2017-03-10 2017-03-13 17:43:02.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (EVP & Chief Strategy Officer) 2,500 $20.00 $50,000.00 266,527 N/A view
S 2017-03-10 2017-03-10 19:57:56.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 24,000 $20.00 $480,000.00 126,827 N/A view
S 2017-02-21 2017-02-22 17:33:59.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (EVP & Chief Financial Officer) 9,000 $15.14 $136,260.00 150,827 N/A view
S 2017-02-16 2017-02-16 20:13:16.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 1,183 $16.10 $19,046.30 102,192 N/A view
S 2017-02-16 2017-02-16 20:10:44.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (EVP & Chief Strategy Officer) 7,273 $15.62 $113,604.00 269,027 N/A view
S 2017-02-14 2017-02-16 20:10:44.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (EVP & Chief Strategy Officer) 7,000 $15.22 $106,540.00 262,538 N/A view
S 2017-02-16 2017-02-16 20:10:21.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (EVP & Chief R & QA Officer) 3,059 $15.96 $48,821.60 149,661 N/A view
S 2017-02-15 2017-02-16 20:09:46.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 7,604 $15.49 $117,786.00 392,855 N/A view
S 2017-02-16 2017-02-16 20:08:56.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,400 $15.57 $37,368.00 348,978 N/A view
S 2017-02-15 2017-02-16 20:08:56.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,400 $15.54 $37,296.00 351,378 N/A view
S 2017-02-10 2017-02-13 18:15:49.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (EVP & Chief Strategy Officer) 400 $16.13 $6,452.00 269,538 N/A view
S 2017-02-10 2017-02-13 18:15:49.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (EVP & Chief Strategy Officer) 5,874 $15.42 $90,577.10 269,938 N/A view
S 2017-02-09 2017-02-10 18:23:31.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 13,975 $15.46 $216,054.00 399,630 N/A view
S 2017-02-09 2017-02-10 16:13:07.0 Atara Biotherapeutics, Inc. ATRA Turner Heather D officer (EVP, General Counsel & Sec.) 633 $16.16 $10,229.30 86,142 N/A view
S 2017-02-09 2017-02-10 16:13:07.0 Atara Biotherapeutics, Inc. ATRA Turner Heather D officer (EVP, General Counsel & Sec.) 11,582 $15.70 $181,837.00 86,775 N/A view
S 2017-02-03 2017-02-06 17:29:40.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,400 $13.87 $33,288.00 353,778 N/A view
S 2017-02-02 2017-02-06 17:29:40.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,400 $13.45 $32,280.00 356,178 N/A view
S 2017-01-18 2017-01-19 16:35:15.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,400 $14.47 $34,728.00 358,578 N/A view
S 2017-01-17 2017-01-19 16:35:15.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,600 $14.08 $50,688.00 360,978 N/A view
S 2017-01-17 2017-01-18 19:52:34.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (EVP, R&D & Chief Scientific Of) 6,000 $14.27 $85,620.00 364,105 N/A view
S 2017-01-06 2017-01-09 16:18:01.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 6,000 $17.10 $102,600.00 364,578 N/A view
S 2017-01-05 2017-01-09 16:18:01.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,400 $16.36 $39,264.00 370,578 N/A view
S 2016-12-23 2016-12-23 18:52:58.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,400 $15.25 $36,600.00 372,978 N/A view
S 2016-12-22 2016-12-23 18:52:58.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 100 $15.82 $1,582.00 375,378 N/A view
S 2016-12-22 2016-12-23 18:52:58.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,300 $15.17 $34,891.00 375,478 N/A view
S 2016-12-15 2016-12-15 19:29:32.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 6,000 $15.40 $92,400.00 370,105 N/A view
S 2016-12-07 2016-12-08 17:17:17.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,600 $17.30 $62,280.00 377,778 N/A view
S 2016-12-06 2016-12-08 17:17:17.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,600 $18.55 $66,780.00 381,378 N/A view
S 2016-11-23 2016-11-23 20:14:17.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,100 $19.22 $21,142.00 384,978 N/A view
S 2016-11-23 2016-11-23 20:14:17.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,500 $18.40 $46,000.00 386,078 N/A view
S 2016-11-22 2016-11-23 20:14:17.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 8,400 $18.21 $152,964.00 388,578 N/A view
S 2016-11-21 2016-11-22 18:41:19.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 7,068 $17.85 $126,164.00 376,105 N/A view
S 2016-11-17 2016-11-22 17:32:28.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (Chief Operating Officer) 1,480 $18.41 $27,246.80 230,812 N/A view
S 2016-11-15 2016-11-17 16:53:43.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 1,604 $19.95 $31,999.80 383,173 N/A view
S 2016-11-16 2016-11-17 16:52:12.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 1,184 $19.35 $22,910.40 99,010 N/A view
S 2016-11-16 2016-11-17 16:29:53.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (Chief R & QA Officer) 2,995 $19.53 $58,492.40 95,187 N/A view
S 2016-11-16 2016-11-16 20:17:35.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (Chief Operating Officer) 7,136 $19.27 $137,511.00 232,292 N/A view
S 2016-11-14 2016-11-16 20:17:35.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (Chief Operating Officer) 9,582 $20.55 $196,910.00 225,667 N/A view
S 2016-11-11 2016-11-14 16:56:47.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (Chief Financial Officer) 2,500 $19.37 $48,425.00 89,323 N/A view
S 2016-11-10 2016-11-14 16:56:46.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (Chief Financial Officer) 2,500 $20.30 $50,750.00 91,823 N/A view
S 2016-10-27 2016-10-28 20:37:50.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,400 $13.70 $32,880.00 396,978 N/A view
S 2016-10-26 2016-10-28 20:37:50.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,400 $13.91 $33,384.00 399,378 N/A view
S 2016-10-14 2016-10-17 16:28:37.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,400 $16.01 $38,424.00 401,778 N/A view
S 2016-10-13 2016-10-17 16:28:37.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,400 $15.91 $38,184.00 404,178 N/A view
S 2016-10-12 2016-10-13 17:22:41.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (Chief Financial Officer) 2,500 $16.41 $41,025.00 94,323 N/A view
S 2016-10-11 2016-10-13 17:22:41.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (Chief Financial Officer) 2,500 $18.52 $46,300.00 96,823 N/A view
S 2016-09-28 2016-09-29 16:27:19.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 300 $21.82 $6,546.00 406,578 N/A view
S 2016-09-28 2016-09-29 16:27:19.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,500 $21.40 $96,300.00 406,878 N/A view
S 2016-09-27 2016-09-29 16:27:19.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 7,200 $20.50 $147,600.00 411,378 N/A view
S 2016-09-16 2016-09-19 17:14:25.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,600 $19.32 $69,552.00 418,578 N/A view
S 2016-09-15 2016-09-19 17:14:25.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,600 $19.39 $69,804.00 422,178 N/A view
S 2016-08-23 2016-08-23 19:58:32.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,800 $22.08 $105,984.00 425,778 N/A view
S 2016-08-22 2016-08-23 19:58:32.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,800 $22.58 $108,384.00 430,578 N/A view
S 2016-08-15 2016-08-17 19:48:20.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 946 $22.58 $21,360.70 293,948 N/A view
S 2016-08-15 2016-08-17 19:48:20.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 400 $21.70 $8,680.00 294,894 N/A view
S 2016-08-16 2016-08-17 19:47:32.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (Chief Operating Officer) 5,256 $22.44 $117,945.00 145,249 N/A view
S 2016-08-16 2016-08-17 19:47:32.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (Chief Operating Officer) 100 $20.95 $2,095.00 150,505 N/A view
S 2016-07-21 2016-07-21 21:38:34.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,800 $22.22 $106,656.00 315,511 N/A view
S 2016-07-20 2016-07-21 21:38:34.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,800 $21.99 $105,552.00 320,311 N/A view
S 2016-07-08 2016-07-11 16:42:32.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,800 $22.96 $110,208.00 325,111 N/A view
S 2016-07-07 2016-07-11 16:42:32.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,800 $22.80 $109,440.00 329,911 N/A view
S 2016-06-24 2016-06-27 16:58:24.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,800 $21.32 $102,336.00 334,711 N/A view
S 2016-06-23 2016-06-27 16:58:24.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,800 $21.19 $101,712.00 339,511 N/A view
S 2016-06-08 2016-06-08 20:29:04.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 4,800 $20.79 $99,792.00 344,311 N/A view
S 2016-06-07 2016-06-08 20:29:04.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,200 $20.90 $25,080.00 349,111 N/A view
S 2016-06-07 2016-06-08 20:29:04.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 6,000 $20.25 $121,500.00 350,311 N/A view
S 2016-05-26 2016-05-27 18:44:05.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,600 $17.35 $62,460.00 356,311 N/A view
S 2016-05-25 2016-05-27 18:44:05.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 3,600 $18.03 $64,908.00 359,911 N/A view
S 2016-05-17 2016-05-18 19:14:12.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (Chief Operating Officer) 5,427 $15.91 $86,343.60 136,844 N/A view
S 2016-05-16 2016-05-18 19:14:12.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 1,605 $15.57 $24,989.80 294,465 N/A view
S 2016-05-18 2016-05-18 19:11:56.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 1,184 $15.96 $18,896.60 95,462 N/A view
S 2016-05-16 2016-05-18 19:06:47.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (Chief Financial Officer) 5,395 $15.77 $85,079.10 88,822 N/A view
S 2016-05-16 2016-05-18 19:04:09.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (Chief R & QA Officer) 4,153 $15.15 $62,917.90 83,759 N/A view
S 2016-04-26 2016-04-27 08:14:08.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 100 $20.15 $2,015.00 363,511 N/A view
S 2016-04-25 2016-04-27 08:14:08.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,200 $20.12 $24,144.00 363,611 N/A view
S 2016-04-12 2016-04-13 19:59:05.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,200 $20.20 $24,240.00 364,811 N/A view
S 2016-04-11 2016-04-13 19:59:05.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 12,010 $20.42 $245,244.00 366,011 N/A view
S 2016-04-01 2016-04-04 16:49:44.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 890 $20.04 $17,835.60 378,021 N/A view
S 2016-03-31 2016-04-04 16:49:44.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 300 $20.01 $6,003.00 378,911 N/A view
P 2016-03-17 2016-03-17 16:48:52.0 Atara Biotherapeutics, Inc. ATRA DOBMEIER ERIC director 3,000 $13.85 $41,565.00 5,500 N/A view
S 2016-02-17 2016-02-18 20:16:22.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 1,183 $16.30 $19,282.90 94,280 N/A view
S 2016-02-17 2016-02-18 20:15:29.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (Chief Operating Officer) 3,783 $17.13 $64,802.80 128,510 N/A view
S 2016-02-17 2016-02-18 20:15:29.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (Chief Operating Officer) 1,928 $16.07 $30,983.00 132,293 N/A view
S 2016-02-16 2016-02-18 20:14:10.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 3,208 $15.43 $49,499.40 295,240 N/A view
S 2016-02-16 2016-02-18 20:13:34.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (Chief R & QA Officer) 4,153 $15.35 $63,748.60 80,700 N/A view
S 2016-02-16 2016-02-18 20:12:08.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (Chief Financial Officer) 6,000 $15.49 $92,940.00 83,714 N/A view
S 2016-01-14 2016-01-15 16:07:38.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,200 $20.07 $24,084.00 379,211 N/A view
S 2016-01-13 2016-01-15 16:07:38.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,200 $20.32 $24,384.00 380,411 N/A view
S 2015-12-31 2016-01-04 16:11:54.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 800 $27.17 $21,736.00 381,611 N/A view
S 2015-12-31 2016-01-04 16:11:54.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 400 $26.00 $10,400.00 382,411 N/A view
S 2015-12-30 2016-01-04 16:11:54.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,200 $25.21 $30,252.00 382,811 N/A view
P 2015-12-16 2015-12-17 19:40:04.0 Atara Biotherapeutics, Inc. ATRA DOBMEIER ERIC director 2,500 $22.00 $55,000.00 2,500 N/A view
S 2015-12-15 2015-12-16 17:14:09.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 200 $22.21 $4,442.00 384,011 N/A view
S 2015-12-15 2015-12-16 17:14:09.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 700 $21.55 $15,085.00 384,211 N/A view
S 2015-12-15 2015-12-16 17:14:09.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 300 $20.69 $6,207.00 384,911 N/A view
S 2015-12-14 2015-12-16 17:14:09.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 100 $25.84 $2,584.00 385,211 N/A view
S 2015-12-14 2015-12-16 17:14:09.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 400 $24.93 $9,972.00 385,311 N/A view
S 2015-12-14 2015-12-16 17:14:09.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 300 $23.34 $7,002.00 385,711 N/A view
S 2015-12-14 2015-12-16 17:14:09.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 400 $21.54 $8,616.00 386,011 N/A view
S 2015-12-04 2015-12-07 17:16:27.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,200 $37.93 $45,516.00 386,411 N/A view
S 2015-12-04 2015-12-07 17:16:27.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 800 $36.99 $29,592.00 387,611 N/A view
S 2015-12-03 2015-12-07 17:16:27.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 600 $38.54 $23,124.00 388,411 N/A view
S 2015-12-03 2015-12-07 17:16:27.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 700 $37.43 $26,201.00 389,011 N/A view
S 2015-12-03 2015-12-07 17:16:27.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 700 $36.21 $25,347.00 389,711 N/A view
S 2015-11-30 2015-12-01 18:59:06.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (Chief Financial Officer) 6,000 $40.00 $240,000.00 36,356 N/A view
S 2015-11-24 2015-11-25 16:06:04.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 200 $36.71 $7,342.00 390,411 N/A view
S 2015-11-24 2015-11-25 16:06:04.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 900 $35.80 $32,220.00 390,611 N/A view
S 2015-11-24 2015-11-25 16:06:04.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 900 $34.81 $31,329.00 391,511 N/A view
S 2015-11-23 2015-11-25 16:06:04.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,800 $34.74 $97,272.00 392,411 N/A view
S 2015-11-17 2015-11-18 18:59:50.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (Chief Operating Officer) 1,644 $31.69 $52,103.30 72,013 N/A view
S 2015-11-17 2015-11-18 18:59:50.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (Chief Operating Officer) 5,942 $31.09 $184,743.00 73,657 N/A view
S 2015-11-16 2015-11-18 18:59:06.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (Chief R & QA Officer) 4,153 $31.67 $131,526.00 34,785 N/A view
S 2015-11-17 2015-11-18 18:56:26.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 1,184 $31.10 $36,822.40 93,098 N/A view
S 2015-10-22 2015-10-23 19:27:29.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 200 $25.36 $5,072.00 395,211 N/A view
S 2015-10-22 2015-10-23 19:27:29.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,000 $24.36 $24,360.00 395,411 N/A view
S 2015-10-21 2015-10-23 19:27:29.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 600 $28.11 $16,866.00 396,411 N/A view
S 2015-10-21 2015-10-23 19:27:29.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 300 $27.67 $8,301.00 397,011 N/A view
S 2015-10-21 2015-10-23 19:27:29.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,100 $25.57 $28,127.00 397,311 N/A view
S 2015-10-07 2015-10-08 16:29:08.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 200 $36.00 $7,200.00 398,411 N/A view
S 2015-10-07 2015-10-08 16:29:08.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,100 $35.26 $38,786.00 398,611 N/A view
S 2015-10-07 2015-10-08 16:29:08.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 700 $33.71 $23,597.00 399,711 N/A view
S 2015-10-06 2015-10-08 16:29:08.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 500 $32.49 $16,245.00 400,411 N/A view
S 2015-10-06 2015-10-08 16:29:08.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 800 $31.64 $25,312.00 400,911 N/A view
S 2015-10-06 2015-10-08 16:29:08.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 700 $30.28 $21,196.00 401,711 N/A view
S 2015-09-24 2015-09-25 18:50:08.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,500 $43.06 $64,590.00 402,411 N/A view
S 2015-09-24 2015-09-25 18:50:08.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,100 $42.17 $46,387.00 403,911 N/A view
S 2015-09-23 2015-09-25 18:50:08.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,600 $43.29 $112,554.00 405,011 N/A view
S 2015-09-11 2015-09-14 19:14:01.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 100 $47.74 $4,774.00 407,611 N/A view
S 2015-09-11 2015-09-14 19:14:01.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,700 $46.83 $79,611.00 407,711 N/A view
S 2015-09-11 2015-09-14 19:14:01.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 800 $45.42 $36,336.00 409,411 N/A view
S 2015-09-10 2015-09-14 19:14:01.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 400 $46.73 $18,692.00 410,211 N/A view
S 2015-09-10 2015-09-14 19:14:01.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,800 $45.98 $82,764.00 410,611 N/A view
S 2015-09-10 2015-09-14 19:14:01.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 400 $44.67 $17,868.00 412,411 N/A view
S 2015-08-31 2015-09-01 21:40:46.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 3,900 $42.10 $164,190.00 240,890 N/A view
S 2015-08-31 2015-09-01 21:40:46.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 1,100 $41.61 $45,771.00 244,790 N/A view
S 2015-08-28 2015-08-31 18:53:36.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,100 $40.07 $44,077.00 374,982 N/A view
S 2015-08-28 2015-08-31 18:53:36.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,500 $39.20 $58,800.00 376,082 N/A view
S 2015-08-27 2015-08-31 18:53:36.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 600 $40.44 $24,264.00 377,582 N/A view
S 2015-08-27 2015-08-31 18:53:36.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 500 $39.44 $19,720.00 378,182 N/A view
S 2015-08-27 2015-08-31 18:53:36.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,500 $38.15 $57,225.00 378,682 N/A view
S 2015-08-24 2015-08-24 19:09:55.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 1,279 $41.88 $53,564.50 91,916 N/A view
S 2015-08-24 2015-08-24 19:09:55.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 2,736 $40.67 $111,273.00 93,195 N/A view
S 2015-08-24 2015-08-24 19:09:55.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 1,232 $39.77 $48,996.60 95,931 N/A view
S 2015-08-24 2015-08-24 19:09:55.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 627 $38.44 $24,101.90 97,163 N/A view
S 2015-08-21 2015-08-24 19:09:55.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 448 $42.46 $19,022.10 97,790 N/A view
S 2015-08-21 2015-08-24 19:09:55.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 5,426 $41.65 $225,993.00 98,238 N/A view
S 2015-08-20 2015-08-24 19:09:55.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 3,274 $45.88 $150,211.00 103,664 N/A view
S 2015-08-20 2015-08-24 19:09:55.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 600 $44.08 $26,448.00 106,938 N/A view
S 2015-08-20 2015-08-24 19:09:55.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 2,000 $43.24 $86,480.00 107,538 N/A view
S 2015-08-18 2015-08-19 20:44:36.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (Chief Financial Officer) 6,000 $49.38 $296,280.00 31,854 N/A view
S 2015-08-19 2015-08-19 20:42:59.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 1,500 $48.78 $73,170.00 109,538 N/A view
S 2015-08-19 2015-08-19 20:42:59.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 4,375 $47.98 $209,912.00 111,038 N/A view
S 2015-08-18 2015-08-19 20:42:59.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 5,764 $49.38 $284,626.00 115,413 N/A view
S 2015-08-18 2015-08-19 20:38:10.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (Chief Operating Officer) 3,427 $49.78 $170,596.00 65,837 N/A view
S 2015-08-18 2015-08-19 20:38:10.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (Chief Operating Officer) 4,284 $49.26 $211,030.00 69,264 N/A view
S 2015-08-17 2015-08-19 20:38:10.0 Atara Biotherapeutics, Inc. ATRA Soffer Gad officer (Chief Operating Officer) 8,778 $50.00 $438,900.00 73,548 N/A view
S 2015-08-17 2015-08-19 20:36:24.0 Atara Biotherapeutics, Inc. ATRA Clark Mitchall G. officer (Chief R & QA Officer) 7,829 $46.19 $361,622.00 34,130 N/A view
S 2015-08-17 2015-08-19 20:29:02.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 300 $46.58 $13,974.00 245,890 N/A view
S 2015-08-17 2015-08-19 20:29:02.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 1,304 $45.75 $59,658.00 246,190 N/A view
S 2015-07-31 2015-08-03 17:19:18.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 2,500 $55.43 $138,575.00 246,665 N/A view
S 2015-07-31 2015-08-03 17:16:50.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 600 $57.45 $34,470.00 380,182 N/A view
S 2015-07-31 2015-08-03 17:16:50.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,100 $56.25 $61,875.00 380,782 N/A view
S 2015-07-31 2015-08-03 17:16:50.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 900 $55.41 $49,869.00 381,882 N/A view
S 2015-07-30 2015-08-03 17:16:50.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 200 $57.13 $11,426.00 382,782 N/A view
S 2015-07-30 2015-08-03 17:16:50.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,400 $56.05 $134,520.00 382,982 N/A view
S 2015-07-17 2015-07-20 20:30:54.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 800 $60.71 $48,568.00 385,382 N/A view
S 2015-07-17 2015-07-20 20:30:54.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,800 $59.90 $107,820.00 386,182 N/A view
S 2015-07-16 2015-07-20 20:30:54.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 200 $62.90 $12,580.00 387,982 N/A view
S 2015-07-16 2015-07-20 20:30:54.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 690 $61.70 $42,573.00 388,182 N/A view
S 2015-07-16 2015-07-20 20:30:54.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,710 $60.90 $104,139.00 388,872 N/A view
S 2015-07-15 2015-07-15 21:04:15.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 800 $63.39 $50,712.00 249,165 N/A view
S 2015-07-15 2015-07-15 21:04:15.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 1,700 $62.73 $106,641.00 249,965 N/A view
S 2015-07-01 2015-07-02 18:29:06.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 1,300 $52.36 $68,068.00 251,665 N/A view
S 2015-07-01 2015-07-02 18:29:06.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 1,200 $50.94 $61,128.00 252,965 N/A view
S 2015-07-01 2015-07-02 18:17:30.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 100 $50.65 $5,065.00 390,582 N/A view
S 2015-07-01 2015-07-02 18:17:30.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 900 $49.86 $44,874.00 390,682 N/A view
S 2015-07-01 2015-07-02 18:17:30.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 700 $48.40 $33,880.00 391,582 N/A view
S 2015-07-01 2015-07-02 18:17:30.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 900 $45.25 $40,725.00 392,282 N/A view
S 2015-06-30 2015-07-02 18:17:30.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 500 $53.61 $26,805.00 393,182 N/A view
S 2015-06-30 2015-07-02 18:17:30.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,700 $53.03 $90,151.00 393,682 N/A view
S 2015-06-30 2015-07-02 18:17:30.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 400 $51.65 $20,660.00 395,382 N/A view
S 2015-06-18 2015-06-19 19:26:17.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 300 $57.15 $17,145.00 395,782 N/A view
S 2015-06-18 2015-06-19 19:26:17.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 700 $55.77 $39,039.00 396,082 N/A view
S 2015-06-18 2015-06-19 19:26:17.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 900 $53.83 $48,447.00 396,782 N/A view
S 2015-06-18 2015-06-19 19:26:17.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 700 $52.62 $36,834.00 397,682 N/A view
S 2015-06-17 2015-06-19 19:26:17.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 600 $55.60 $33,360.00 398,382 N/A view
S 2015-06-17 2015-06-19 19:26:17.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,000 $54.86 $109,720.00 398,982 N/A view
S 2015-06-15 2015-06-16 20:10:45.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (Chief Financial Officer) 10,000 $50.00 $500,000.00 27,352 N/A view
S 2015-06-15 2015-06-16 20:08:54.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 1,100 $47.34 $52,074.00 254,165 N/A view
S 2015-06-15 2015-06-16 20:08:54.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 6,100 $46.34 $282,674.00 255,265 N/A view
S 2015-06-15 2015-06-16 20:08:54.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 300 $44.56 $13,368.00 261,365 N/A view
S 2015-06-05 2015-06-08 18:42:40.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 100 $45.25 $4,525.00 400,982 N/A view
S 2015-06-05 2015-06-08 18:42:40.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 900 $44.64 $40,176.00 401,082 N/A view
S 2015-06-05 2015-06-08 18:42:40.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,600 $43.74 $69,984.00 401,982 N/A view
S 2015-06-04 2015-06-08 18:42:40.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 500 $43.15 $21,575.00 403,582 N/A view
S 2015-06-04 2015-06-08 18:42:40.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,500 $42.76 $64,140.00 404,082 N/A view
S 2015-06-04 2015-06-08 18:42:40.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,800 $41.22 $74,196.00 405,582 N/A view
S 2015-06-01 2015-06-01 17:40:06.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 450 $42.68 $19,206.00 261,665 N/A view
S 2015-06-01 2015-06-01 17:40:06.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 700 $41.68 $29,176.00 262,115 N/A view
S 2015-06-01 2015-06-01 17:40:06.0 Atara Biotherapeutics, Inc. ATRA Haqq Christopher officer (Chief Medical Officer) 1,350 $40.95 $55,282.50 262,815 N/A view
S 2015-05-29 2015-06-01 17:38:08.0 Atara Biotherapeutics, Inc. ATRA MCGRATH JOHN officer (Chief Financial Officer) 10,000 $40.00 $400,000.00 37,352 N/A view
S 2015-05-22 2015-05-26 19:24:29.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 600 $38.16 $22,896.00 407,382 N/A view
S 2015-05-22 2015-05-26 19:24:29.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,400 $37.40 $52,360.00 407,982 N/A view
S 2015-05-21 2015-05-26 19:24:29.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 600 $38.47 $23,082.00 409,382 N/A view
S 2015-05-21 2015-05-26 19:24:29.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 1,400 $37.06 $51,884.00 409,982 N/A view
S 2015-04-23 2015-04-24 16:16:23.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,600 $62.70 $163,020.00 392,300 39.82% view
S 2015-04-22 2015-04-24 16:16:23.0 Atara Biotherapeutics, Inc. ATRA Ciechanover Isaac E. director officer (Chief Executive Officer) 2,600 $60.01 $156,026.00 394,900 37.13% view
P 2015-03-10 2015-03-11 16:36:31.0 Atara Biotherapeutics, Inc. ATRA MARCUS JOEL S director 1,500 $29.99 $44,985.00 4,000 58.35% view
P 2015-03-09 2015-03-11 16:36:31.0 Atara Biotherapeutics, Inc. ATRA MARCUS JOEL S director 2,500 $29.32 $73,300.00 2,500 59.92% view
P 2015-02-18 2015-02-18 17:38:40.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 11,000 $18.00 $198,000.00 62,656 76.61% view
P* 2014-10-21 2014-10-23 18:59:03.0 Atara Biotherapeutics, Inc. ATRA Gallagher Carol Giltner director 18,181 $11.00 $199,991.00 51,656 144.27% view
P* 2014-10-21 2014-10-23 18:59:03.0 Atara Biotherapeutics, Inc. ATRA MARCUS JOEL S director 150,000 $11.00 $1,650,000.00 908,355 144.27% view
P 2014-10-21 2014-10-21 10:39:56.0 Atara Biotherapeutics, Inc. ATRA Halak Brian K various various various various various various 1 1,841 $11.00 $20,251.00 15,890 144.27% view
P 2014-10-21 2014-10-21 10:35:24.0 Atara Biotherapeutics, Inc. ATRA Halak Brian K various various various various various various 1 248,159 $11.00 $2,729,750.00 2,141,540 144.27% view
* An * after P or S in the Buy/Sell column means the transaction was filed by the insider as open market, but it was marked as private transaction by insidercow's proprietary method
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