Atara Biotherapeutics (ATRA) SEC Filings https://investors.atarabio.com/sec-filings/annual-reports/rss Atara Biotherapeutics (ATRA) - Annual Reports en-us https://d1io3yog0oux5.cloudfront.net/atarabio/files/theme/images/logo-sm.png Atara Biotherapeutics Logo Equisolve Investor Relations Suite <![CDATA[10-K - Annual report [Section 13 and 15(d), not S-K Item 405]]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001193125-26-108361/0001193125-26-108361.pdf Mon, 16 Mar 26 16:16:19 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001193125-26-108361/0001193125-26-108361.pdf <![CDATA[10-K - Annual report [Section 13 and 15(d), not S-K Item 405]]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000950170-25-035507/0000950170-25-035507.pdf Fri, 07 Mar 25 16:11:02 -0500 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000950170-25-035507/0000950170-25-035507.pdf <![CDATA[10-K - Annual report pursuant to Section 13 and 15(d)]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000950170-24-037644/0000950170-24-037644.pdf Thu, 28 Mar 24 08:41:55 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000950170-24-037644/0000950170-24-037644.pdf <![CDATA[10-K - Annual report pursuant to Section 13 and 15(d)]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000950170-23-002185/0000950170-23-002185.pdf Wed, 08 Feb 23 16:55:52 -0500 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0000950170-23-002185/0000950170-23-002185.pdf <![CDATA[10-K - Annual report pursuant to Section 13 and 15(d)]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001564590-22-007633/0001564590-22-007633.pdf Mon, 28 Feb 22 17:00:02 -0500 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001564590-22-007633/0001564590-22-007633.pdf <![CDATA[10-K - Annual report pursuant to Section 13 and 15(d)]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001564590-21-009854/0001564590-21-009854.pdf Mon, 01 Mar 21 17:06:39 -0500 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001564590-21-009854/0001564590-21-009854.pdf <![CDATA[10-K - Annual report pursuant to Section 13 and 15(d)]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001564590-20-007027/0001564590-20-007027.pdf Thu, 27 Feb 20 07:48:26 -0500 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001564590-20-007027/0001564590-20-007027.pdf <![CDATA[10-K - Annual report pursuant to Section 13 and 15(d)]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001564590-19-004275/0001564590-19-004275.pdf Tue, 26 Feb 19 08:49:18 -0500 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001564590-19-004275/0001564590-19-004275.pdf <![CDATA[10-K - Annual report pursuant to Section 13 and 15(d)]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001564590-18-003390/0001564590-18-003390.pdf Fri, 02 Nov 18 17:19:25 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001564590-18-003390/0001564590-18-003390.pdf <![CDATA[10-K - Annual report pursuant to Section 13 and 15(d)]]> https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001564590-17-003792/0001564590-17-003792.pdf Fri, 02 Nov 18 17:18:23 -0400 https://investors.atarabio.com/sec-filings/all-sec-filings/content/0001564590-17-003792/0001564590-17-003792.pdf