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Mailing Address 611 GATEWAY BLVD SUITE 900 SOUTH SAN FRANCISCO CA 94080
Business Address 611 GATEWAY BLVD SUITE 900 SOUTH SAN FRANCISCO CA 94080 650-278-8930
Atara Biotherapeutics, Inc. CIK#: 0001604464 (see all company filings)

SIC: 2836 - BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES)
State location: CA | State of Inc.: DE | Fiscal Year End: 1231
(Assistant Director Office: 1)
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Items 1 - 100  0001604464 Filings RSS Feed
Filings Format Description Filed/Effective File/Film Number
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001564590-17-003792 (34 Act)  Size: 9 MB
2017-03-09 001-36548
17676975
8-K  Documents Current report, items 2.02 and 9.01
Acc-no: 0001564590-17-003788 (34 Act)  Size: 270 KB
2017-03-09 001-36548
17676849
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001425738-17-000003 (34 Act)  Size: 48 KB
2017-02-14 005-88393
17606482
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000315066-17-001427 (34 Act)  Size: 9 KB
2017-02-14 005-88393
17604004
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001172661-17-000465 (34 Act)  Size: 53 KB
2017-02-13 005-88393
17596508
8-K  Documents Current report, item 5.02
Acc-no: 0001193125-17-038273 (34 Act)  Size: 15 KB
2017-02-10 001-36548
17593415
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-17-033263 (34 Act)  Size: 45 KB
2017-02-07 005-88393
17579392
8-K  Documents Current report, item 1.01
Acc-no: 0001193125-17-032696 (34 Act)  Size: 14 KB
2017-02-07 001-36548
17577523
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000215457-17-002159 (34 Act)  Size: 13 KB
2017-01-30 005-88393
17555913
CT ORDER  Documents Confidential treatment order
Acc-no: 9999999997-16-027829 (34 Act)  Size: 11 KB
2016-12-19 001-36548
162058328
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0001564590-16-027513 (33 Act)  Size: 112 KB
2016-11-04 333-214431
161973748
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001564590-16-027509 (34 Act)  Size: 5 MB
2016-11-04 001-36548
161973721
8-K  Documents Current report, items 2.02 and 9.01
Acc-no: 0001564590-16-027508 (34 Act)  Size: 302 KB
2016-11-04 001-36548
161973685
8-K  Documents Current report, item 5.02
Acc-no: 0001193125-16-718549 (34 Act)  Size: 12 KB
2016-09-23 001-36548
161900531
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001564590-16-023141 (34 Act)  Size: 6 MB
2016-08-08 001-36548
161812794
8-K  Documents Current report, items 2.02 and 9.01
Acc-no: 0001564590-16-023140 (34 Act)  Size: 293 KB
2016-08-08 001-36548
161812776
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000315066-16-006002 (34 Act)  Size: 9 KB
2016-07-11 005-88393
161761495
8-K  Documents Current report, item 5.07
Acc-no: 0001564590-16-020827 (34 Act)  Size: 39 KB
2016-06-24 001-36548
161731459
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001564590-16-018294 (34 Act)  Size: 5 MB
2016-05-06 001-36548
161628541
8-K  Documents Current report, items 2.02 and 9.01
Acc-no: 0001564590-16-017853 (34 Act)  Size: 118 KB
2016-05-05 001-36548
161622296
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001564590-16-017050 (34 Act)  Size: 300 KB
2016-04-29 001-36548
161602347
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001564590-16-017048 (34 Act)  Size: 1 MB
2016-04-29 001-36548
161602330
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0001193125-16-493562 (33 Act)  Size: 72 KB
2016-03-04 333-209961
161486198
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001564590-16-014061 (34 Act)  Size: 10 MB
2016-03-04 001-36548
161486110
8-K  Documents Current report, items 2.02 and 9.01
Acc-no: 0001564590-16-013985 (34 Act)  Size: 296 KB
2016-03-03 001-36548
161481361
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000903423-16-000866 (34 Act)  Size: 134 KB
2016-02-16 005-88393
161429946
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-16-465091 (34 Act)  Size: 81 KB
2016-02-16 005-88393
161427367
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001425738-16-000029 (34 Act)  Size: 45 KB
2016-02-16 005-88393
161425729
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001144204-16-082289 (34 Act)  Size: 57 KB
2016-02-16 005-88393
161425567
8-K  Documents Current report, item 5.02
Acc-no: 0001564590-16-012727 (34 Act)  Size: 28 KB
2016-02-16 001-36548
161421712
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001140361-16-052289 (34 Act)  Size: 117 KB
2016-02-12 005-88393
161419785
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000315066-16-004847 (34 Act)  Size: 9 KB
2016-02-12 005-88393
161414495
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-16-456206 (34 Act)  Size: 113 KB
2016-02-10 005-88393
161401966
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000904454-16-000877 (34 Act)  Size: 55 KB
2016-01-19 005-88393
161348347
8-K  Documents Current report, items 7.01 and 9.01
Acc-no: 0001564590-15-011477 (34 Act)  Size: 50 KB
2015-12-14 001-36548
151284754
8-K  Documents Current report, item 1.01
Acc-no: 0001564590-15-011470 (34 Act)  Size: 25 KB
2015-12-11 001-36548
151284109
8-K  Documents Current report, item 5.02
Acc-no: 0001564590-15-011138 (34 Act)  Size: 25 KB
2015-11-27 001-36548
151257890
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-15-003123 (33 Act)  Size: 1 KB
2015-11-23 16:00:00 333-207876
151251049
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-15-054770 Size: 156 KB
2015-11-19
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001193125-15-381897 Size: 7 KB
2015-11-19
DEL AM  Documents Delaying amendment
Acc-no: 0001193125-15-373620 (33 Act)  Size: 6 KB
2015-11-10 333-207876
151219785
S-3  Documents Registration statement under Securities Act of 1933
Acc-no: 0001193125-15-370611 (33 Act)  Size: 905 KB
2015-11-09 333-207876
151213772
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001564590-15-009779 (34 Act)  Size: 8 MB
2015-11-06 001-36548
151202184
8-K  Documents Current report, items 2.02 and 9.01
Acc-no: 0001564590-15-009699 (34 Act)  Size: 309 KB
2015-11-05 001-36548
151201290
8-K  Documents Current report, items 5.02 and 9.01
Acc-no: 0001564590-15-008433 (34 Act)  Size: 418 KB
2015-10-16 001-36548
151162138
8-K  Documents Current report, item 5.02
Acc-no: 0001564590-15-008068 (34 Act)  Size: 23 KB
2015-09-21 001-36548
151117769
8-K  Documents Current report, item 1.01
Acc-no: 0001564590-15-007953 (34 Act)  Size: 27 KB
2015-09-14 001-36548
151105902
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001564590-15-006518 (34 Act)  Size: 6 MB
2015-08-07 001-36548
151034528
8-K  Documents Current report, items 2.02 and 9.01
Acc-no: 0001564590-15-006337 (34 Act)  Size: 299 KB
2015-08-06 001-36548
151031032
424B1  Documents Prospectus [Rule 424(b)(1)]
Acc-no: 0001193125-15-250337 (33 Act)  Size: 3 MB
2015-07-10 333-205347
15983794
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-15-001876 (33 Act)  Size: 1 KB
2015-07-09 16:30:00 333-205347
15982398
S-1MEF  Documents Registration adding securities to prior Form S-1 registration [Rule 462(b)]
Acc-no: 0001193125-15-249343 (33 Act)  Size: 45 KB
2015-07-09 333-205593
15982318
S-1/A  Documents [Amend] General form for registration of securities under the Securities Act of 1933
Acc-no: 0001193125-15-248628 (33 Act)  Size: 3 MB
2015-07-09 333-205347
15980562
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001193125-15-246944 Size: 9 KB
2015-07-07
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001193125-15-246941 Size: 21 KB
2015-07-07
S-1/A  Documents [Amend] General form for registration of securities under the Securities Act of 1933
Acc-no: 0001193125-15-246917 (33 Act)  Size: 3 MB
2015-07-07 333-205347
15977299
CT ORDER  Documents Confidential treatment order
Acc-no: 9999999997-15-011573 (33 Act)  Size: 10 KB
2015-07-07 333-205347
15976576
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-15-034769 Size: 155 KB
2015-07-02
S-1  Documents General form for registration of securities under the Securities Act of 1933
Acc-no: 0001193125-15-239519 (33 Act)  Size: 3 MB
2015-06-29 333-205347
15959208
8-K  Documents Current report, item 5.07
Acc-no: 0001564590-15-005294 (34 Act)  Size: 36 KB
2015-06-29 001-36548
15958542
CT ORDER  Documents Confidential treatment order
Acc-no: 9999999997-15-010944 (34 Act)  Size: 13 KB
2015-06-18 001-36548
15939339
8-K  Documents Current report, item 1.01
Acc-no: 0001193125-15-223458 (34 Act)  Size: 14 KB
2015-06-15 001-36548
15931798
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000315066-15-002712 (34 Act)  Size: 9 KB
2015-06-10 005-88393
15922531
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0001193125-15-182374 (33 Act)  Size: 64 KB
2015-05-12 333-204076
15852179
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001564590-15-003950 (34 Act)  Size: 7 MB
2015-05-11 001-36548
15851730
8-K  Documents Current report, items 2.02 and 9.01
Acc-no: 0001564590-15-003599 (34 Act)  Size: 230 KB
2015-05-07 001-36548
15842459
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001564590-15-002955 (34 Act)  Size: 836 KB
2015-04-29 001-36548
15809779
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001564590-15-002954 (34 Act)  Size: 1 MB
2015-04-29 001-36548
15809424
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001140361-15-014960 (34 Act)  Size: 117 KB
2015-04-09 005-88393
15762019
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-15-114958 (34 Act)  Size: 43 KB
2015-04-01 005-88393
15741228
8-K  Documents Current report, items 5.02 and 9.01
Acc-no: 0001564590-15-002056 (34 Act)  Size: 40 KB
2015-03-27 001-36548
15730987
10-K/A  Documents [Amend] Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001564590-15-001409 (34 Act)  Size: 59 KB
2015-03-06 001-36548
15682575
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001564590-15-001038 (34 Act)  Size: 16 MB
2015-02-26 001-36548
15653969
8-K  Documents Current report, items 2.02 and 9.01
Acc-no: 0001564590-15-001022 (34 Act)  Size: 287 KB
2015-02-26 001-36548
15653094
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001144204-15-009857 (34 Act)  Size: 73 KB
2015-02-17 005-88393
15620954
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000950123-15-002645 (34 Act)  Size: 108 KB
2015-02-17 005-88393
15620811
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000903423-15-000141 (34 Act)  Size: 137 KB
2015-02-17 005-88393
15620352
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-15-049903 (34 Act)  Size: 23 KB
2015-02-13 005-88393
15614456
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-15-048929 (34 Act)  Size: 70 KB
2015-02-13 005-88393
15611256
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000315066-15-001734 (34 Act)  Size: 9 KB
2015-02-13 005-88393
15609642
424B4  Documents Prospectus [Rule 424(b)(4)]
Acc-no: 0001193125-15-046748 (33 Act)  Size: 3 MB
2015-02-12 333-201728
15606368
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-15-000396 (33 Act)  Size: 1 KB
2015-02-11 17:00:00 333-201728
15601688
S-1MEF  Documents Registration adding securities to prior Form S-1 registration [Rule 462(b)]
Acc-no: 0001193125-15-044843 (33 Act)  Size: 49 KB
2015-02-11 333-202044
15601509
S-1/A  Documents [Amend] General form for registration of securities under the Securities Act of 1933
Acc-no: 0001193125-15-039131 (33 Act)  Size: 3 MB
2015-02-09 333-201728
15588567
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000904454-15-000053 (34 Act)  Size: 84 KB
2015-02-05 005-88393
15579814
S-1  Documents   Interactive Data General form for registration of securities under the Securities Act of 1933
Acc-no: 0001193125-15-022118 (33 Act)  Size: 11 MB
2015-01-28 333-201728
15552870
8-K  Documents Current report, item 5.02
Acc-no: 0001564590-15-000254 (34 Act)  Size: 29 KB
2015-01-21 001-36548
15537864
8-K  Documents Current report, items 2.02 and 9.01
Acc-no: 0001564590-14-005468 (34 Act)  Size: 262 KB
2014-11-12 001-36548
141211009
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001564590-14-005463 (34 Act)  Size: 10 MB
2014-11-12 001-36548
141210948
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001140361-14-040974 (34 Act)  Size: 116 KB
2014-11-10 005-88393
141208886
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0001193125-14-377632 (33 Act)  Size: 105 KB
2014-10-21 333-199508
141166388
424B4  Documents Prospectus [Rule 424(b)(4)]
Acc-no: 0001193125-14-373354 (33 Act)  Size: 3 MB
2014-10-16 333-196936
141158923
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-14-003068 (33 Act)  Size: 1 KB
2014-10-15 17:00:00 333-196936
141158716
CT ORDER  Documents Confidential treatment order
Acc-no: 9999999997-14-014374 (33 Act)  Size: 14 KB
2014-10-15 333-196936
141158154
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001193125-14-369564 Size: 10 KB
2014-10-10
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001193125-14-369561 Size: 17 KB
2014-10-10
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001193125-14-365609 Size: 15 KB
2014-10-07
S-1/A  Documents [Amend] General form for registration of securities under the Securities Act of 1933
Acc-no: 0001193125-14-365604 (33 Act)  Size: 3 MB
2014-10-07 333-196936
141145715
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-14-050051 Size: 157 KB
2014-10-06
S-1/A  Documents [Amend] General form for registration of securities under the Securities Act of 1933
Acc-no: 0001193125-14-355030 (33 Act)  Size: 4 MB
2014-09-26 333-196936
141124860