Atara Biotherapeutics (ATRA) SEC Filings https://investors.atarabio.com/sec-filings/all-sec-filings/rss Atara Biotherapeutics (ATRA) - All SEC Filings en-us https://d1io3yog0oux5.cloudfront.net/atarabio/files/theme/images/logo-sm.png Atara Biotherapeutics Logo Equisolve Investor Relations Suite <![CDATA[SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000919574-26-005481/0000919574-26-005481.pdf Fri, 14 Aug 26 16:12:54 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000919574-26-005481/0000919574-26-005481.pdf <![CDATA[10-Q - Quarterly report [Sections 13 or 15(d)]]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001193125-26-346885/0001193125-26-346885.pdf Wed, 12 Aug 26 16:20:15 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001193125-26-346885/0001193125-26-346885.pdf <![CDATA[8-K - Current report]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001193125-26-346857/0001193125-26-346857.pdf Wed, 12 Aug 26 16:14:27 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001193125-26-346857/0001193125-26-346857.pdf <![CDATA[4 - Statement of changes in beneficial ownership of securities]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001104659-26-086733/0001104659-26-086733.pdf Fri, 24 Jul 26 21:00:42 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001104659-26-086733/0001104659-26-086733.pdf <![CDATA[SCHEDULE 13D/A - General Statement of Acquisition of Beneficial Ownership]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001104659-26-086728/0001104659-26-086728.pdf Fri, 24 Jul 26 20:00:58 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001104659-26-086728/0001104659-26-086728.pdf <![CDATA[3 - Initial statement of beneficial ownership of securities]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-003168/0000905148-26-003168.pdf Mon, 06 Jul 26 16:14:53 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-003168/0000905148-26-003168.pdf <![CDATA[8-K - Current report]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001193125-26-285498/0001193125-26-285498.pdf Fri, 26 Jun 26 16:16:13 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001193125-26-285498/0001193125-26-285498.pdf <![CDATA[4 - Statement of changes in beneficial ownership of securities]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002951/0000905148-26-002951.pdf Mon, 15 Jun 26 18:51:55 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002951/0000905148-26-002951.pdf <![CDATA[3 - Initial statement of beneficial ownership of securities]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002950/0000905148-26-002950.pdf Mon, 15 Jun 26 18:49:48 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002950/0000905148-26-002950.pdf <![CDATA[S-8 - Securities to be offered to employees in employee benefit plans]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001213900-26-068286/0001213900-26-068286.pdf Fri, 12 Jun 26 16:22:09 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001213900-26-068286/0001213900-26-068286.pdf