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.
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 | — |