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Atara Biotherapeutics, Inc. — 10-K Filings

12 10-K filings on record

This page lists all 10-K 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 12 10-K 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
10-K 10-K 0001193125-26-108361 Mar 16, 2026 Dec 31, 2025
10-K 10-K 0000950170-25-035507 Mar 7, 2025 Dec 31, 2024
10-K 10-K 0000950170-24-037644 Mar 28, 2024 Dec 31, 2023
10-K 10-K 0000950170-23-002185 Feb 8, 2023 Dec 31, 2022
10-K 10-K 0001564590-22-007633 Feb 28, 2022 Dec 31, 2021
10-K 10-K 0001564590-21-009854 Mar 1, 2021 Dec 31, 2020
10-K 10-K 0001564590-20-007027 Feb 27, 2020 Dec 31, 2019
10-K 10-K 0001564590-19-004275 Feb 26, 2019 Dec 31, 2018
10-K 10-K 0001564590-18-003390 Feb 27, 2018 Dec 31, 2017
10-K 10-K 0001564590-17-003792 Mar 9, 2017 Dec 31, 2016
10-K 10-K 0001564590-16-014061 Mar 4, 2016 Dec 31, 2015
10-K 10-K 0001564590-15-001038 Feb 26, 2015 Dec 31, 2014