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ATRA        0001604464    
Filing Date Form Type Description Document
2021-05-04 8-K 8-K View Document
2021-04-22 DEFA14A DEFA14A View Document
2021-04-22 DEF 14A DEF 14A View Document
2021-04-07 4 FORM 4 SUBMISSION View Document
2021-03-30 4 FORM 4 SUBMISSION View Document
2021-03-30 4 FORM 4 SUBMISSION View Document
2021-03-15 4 FORM 4 SUBMISSION View Document
2021-03-04 4 FORM 4 SUBMISSION View Document
2021-03-04 4 FORM 4 SUBMISSION View Document
2021-03-04 4 FORM 4 SUBMISSION View Document
2021-03-03 4 FORM 4 SUBMISSION View Document
2021-03-03 4 FORM 4 SUBMISSION View Document
2021-03-03 4 FORM 4 SUBMISSION View Document
2021-03-03 4 FORM 4 SUBMISSION View Document
2021-03-03 4 FORM 4 SUBMISSION View Document
2021-03-03 4 FORM 4 SUBMISSION View Document
2021-03-01 S-8 S-8 View Document
2021-03-01 S-3ASR S-3ASR View Document
2021-03-01 10-K 10-K View Document
2021-03-01 8-K 8-K View Document
2021-02-16 SC 13G/A View Document
2021-02-16 SC 13G/A SC 13G/A View Document
2021-02-16 SC 13G/A SC 13G/A View Document
2021-02-16 SC 13G/A PRIMARY DOCUMENT View Document
2021-02-12 SC 13G/A NONE View Document
2021-02-10 SC 13G/A SCHEDULE 13G/A View Document
2021-02-09 4 FORM 4 SUBMISSION View Document
2021-02-09 4 FORM 4 SUBMISSION View Document
2021-01-29 SC 13G/A View Document
2021-01-19 4 FORM 4 SUBMISSION View Document
2021-01-11 8-K 8-K View Document
2021-01-08 SC 13G FILING ATARA BIOTHERAPEUTICS, INC. View Document
2021-01-04 8-K 8-K View Document
2020-12-18 4 FORM 4 SUBMISSION View Document
2020-12-18 4/A FORM 4/A SUBMISSION View Document
2020-12-09 8-K 8-K View Document
2020-12-09 424B5 424B5 View Document
2020-12-07 424B5 424B5 View Document
2020-12-07 8-K 8-K View Document
2020-11-18 4 FORM 4 SUBMISSION View Document
2020-11-18 4 FORM 4 SUBMISSION View Document
2020-11-18 4 FORM 4 SUBMISSION View Document
2020-11-16 4 FORM 4 SUBMISSION View Document
2020-11-09 S-8 S-8 View Document
2020-11-09 10-Q 10-Q View Document
2020-11-09 8-K 8-K View Document
2020-08-20 4 FORM 4 SUBMISSION View Document
2020-08-20 4 FORM 4 SUBMISSION View Document
2020-08-20 4 FORM 4 SUBMISSION View Document
2020-08-05 10-Q 10-Q View Document
2020-08-05 8-K 8-K View Document
2020-06-26 4 FORM 4 SUBMISSION View Document
2020-06-19 8-K 8-K View Document
2020-06-17 4 FORM 4 SUBMISSION View Document
2020-06-17 4 FORM 4 SUBMISSION View Document
2020-06-17 4 FORM 4 SUBMISSION View Document
2020-06-17 4 FORM 4 SUBMISSION View Document
2020-06-17 4 FORM 4 SUBMISSION View Document
2020-06-17 4 FORM 4 SUBMISSION View Document
2020-06-10 4 FORM 4 SUBMISSION View Document
2020-06-05 DEFA14A DEFA14A View Document
2020-05-28 8-K 8-K View Document
2020-05-27 424B5 424B5 View Document
2020-05-26 424B5 424B5 View Document
2020-05-20 4 FORM 4 SUBMISSION View Document
2020-05-20 4 FORM 4 SUBMISSION View Document
2020-05-20 4 FORM 4 SUBMISSION View Document
2020-05-19 4 FORM 4 SUBMISSION View Document
2020-05-19 3 FORM 3 SUBMISSION View Document
2020-05-12 8-K 8-K View Document
2020-05-12 4 FORM 4 SUBMISSION View Document
2020-05-12 3 FORM 3 SUBMISSION View Document
2020-05-06 10-Q 10-Q View Document
2020-05-06 8-K 8-K View Document
2020-04-30 4 FORM 4 SUBMISSION View Document
2020-04-30 3 FORM 3 SUBMISSION View Document
2020-04-30 8-K 8-K View Document
2020-04-22 DEFA14A DEFA14A View Document
2020-04-22 DEF 14A DEF 14A View Document
2020-04-21 4 FORM 4 SUBMISSION View Document
2020-04-21 3 FORM 3 SUBMISSION View Document
2020-04-07 4 FORM 4 SUBMISSION View Document
2020-03-30 4 FORM 4 SUBMISSION View Document
2020-03-30 4 FORM 4 SUBMISSION View Document
2020-03-03 4 FORM 4 SUBMISSION View Document
2020-03-03 4 FORM 4 SUBMISSION View Document
2020-03-03 4 FORM 4 SUBMISSION View Document
2020-03-03 4 FORM 4 SUBMISSION View Document
2020-02-27 S-8 S-8 View Document
2020-02-27 424B5 424B5 View Document
2020-02-27 10-K 10-K View Document
2020-02-27 8-K 8-K View Document
2020-02-19 4 FORM 4 SUBMISSION View Document
2020-02-19 3 FORM 3 SUBMISSION View Document
2020-02-14 SC 13G/A SC 13G/A View Document
2020-02-14 SC 13G SCHEDULE 13G View Document
2020-02-14 SC 13G/A SCHEDULE 13G HOLDINGS REPORT AMENDMENT View Document
2020-02-13 SC 13G/A NONE View Document
2020-02-12 SC 13G/A SCHEDULE 13G/A View Document
2020-02-10 4 FORM 4 SUBMISSION View Document

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