Atara Biotherapeutics, Inc. — EFFECT Filings
7 EFFECT filings on record
This page lists all EFFECT 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 7 EFFECT 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 |
|---|---|---|---|---|
| EFFECT | — | 9999999995-26-000930 | Mar 25, 2026 | — |
| EFFECT | — | 9999999995-23-003308 | Nov 13, 2023 | — |
| EFFECT | — | 9999999995-23-000387 | Feb 13, 2023 | — |
| EFFECT | — | 9999999995-15-003123 | Nov 23, 2015 | — |
| EFFECT | — | 9999999995-15-001876 | Jul 9, 2015 | — |
| EFFECT | — | 9999999995-15-000396 | Feb 11, 2015 | — |
| EFFECT | — | 9999999995-14-003068 | Oct 15, 2014 | — |