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Atara Biotherapeutics, Inc. — 424B5 Filings

18 424B5 filings on record

This page lists all 424B5 filings submitted to the SEC by Atara Biotherapeutics, Inc. (ATRA), sorted by most recent first. Each row links to the full filing on EdgarLookup. Atara Biotherapeutics, Inc. has filed 18 424B5 documents with the SEC since 2015. To view all SEC filings by Atara Biotherapeutics, Inc., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 144 3 4 4/A 424B1 424B3 424B4 424B5 8-A12B 8-K CERTNAS CORRESP CT ORDER DEF 14A DEFA14A DEFR14A DEL AM DRS DRS/A DRSLTR EFFECT FWP POS AM POSASR PRE 14A S-1 S-1/A S-1MEF S-3 S-3ASR S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13D SCHEDULE 13D/A SCHEDULE 13G SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
424B5 424B5 0001193125-26-108386 Mar 16, 2026
424B5 424B5 0001193125-25-120939 May 15, 2025
424B5 424B5 0001193125-24-213178 Sep 4, 2024
424B5 424B5 0001193125-24-005223 Jan 9, 2024
424B5 424B5 0001193125-21-341305 Nov 26, 2021
424B5 424B5 0001193125-20-313908 Dec 9, 2020
424B5 424B5 0001193125-20-311781 Dec 7, 2020
424B5 424B5 0001193125-20-153246 May 27, 2020
424B5 424B5 0001193125-20-151515 May 26, 2020
424B5 424B5 0001193125-20-051170 Feb 27, 2020
424B5 424B5 0001193125-19-198171 Jul 19, 2019
424B5 424B5 0001193125-19-196503 Jul 18, 2019
424B5 424B5 0001193125-19-050875 Feb 26, 2019
424B5 424B5 0001193125-18-067383 Mar 1, 2018
424B5 424B5 0001193125-18-060858 Feb 27, 2018
424B5 424B5 0001193125-18-003048 Jan 4, 2018
424B5 424B5 0001193125-18-000603 Jan 2, 2018
424B5 424B5 0001193125-17-097800 Mar 27, 2017