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[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 <![CDATA[8-K - Current report]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001213900-26-068264/0001213900-26-068264.pdf Fri, 12 Jun 26 16:07:22 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001213900-26-068264/0001213900-26-068264.pdf <![CDATA[4 - Statement of changes in beneficial ownership of securities]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002921/0000905148-26-002921.pdf Thu, 11 Jun 26 16:38:18 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002921/0000905148-26-002921.pdf <![CDATA[4 - Statement of changes in beneficial ownership of securities]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002920/0000905148-26-002920.pdf Thu, 11 Jun 26 16:37:20 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002920/0000905148-26-002920.pdf <![CDATA[4 - Statement of changes in beneficial ownership of securities]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002919/0000905148-26-002919.pdf Thu, 11 Jun 26 16:36:36 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002919/0000905148-26-002919.pdf <![CDATA[4 - Statement of changes in beneficial ownership of securities]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002571/0000905148-26-002571.pdf Wed, 20 May 26 17:27:32 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002571/0000905148-26-002571.pdf <![CDATA[4 - Statement of changes in beneficial ownership of securities]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002570/0000905148-26-002570.pdf Wed, 20 May 26 17:26:35 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002570/0000905148-26-002570.pdf <![CDATA[144 - Report of proposed sale of securities]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002506/0000905148-26-002506.pdf Mon, 18 May 26 16:45:52 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000905148-26-002506/0000905148-26-002506.pdf