Atara Biotherapeutics, Inc. — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
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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
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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 |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001564590-22-016099 | Apr 27, 2022 | — |
| DEF 14A | DEF 14A | 0001564590-22-016087 | Apr 27, 2022 | Jun 23, 2022 |
| 8-K | 8-K | 0001193125-22-095073 | Apr 4, 2022 | — |
| SC 13G/A | SC 13G/A | 0001193125-22-073533 | Mar 11, 2022 | — |
| 4 | FORM 4 | 0001140361-22-007765 | Mar 3, 2022 | Mar 1, 2022 |
| 4 | FORM 4 | 0001140361-22-007767 | Mar 3, 2022 | Mar 1, 2022 |
| 4 | FORM 4 | 0001140361-22-007766 | Mar 3, 2022 | Mar 1, 2022 |
| 4 | FORM 4 | 0001140361-22-007763 | Mar 3, 2022 | Mar 1, 2022 |
| 4 | FORM 4 | 0001140361-22-007764 | Mar 3, 2022 | Mar 1, 2022 |
| S-8 | FORM S-8 | 0001193125-22-058338 | Feb 28, 2022 | — |
| 8-K | 8-K | 0001564590-22-007610 | Feb 28, 2022 | — |
| 10-K | 10-K | 0001564590-22-007633 | Feb 28, 2022 | Dec 31, 2021 |
| 8-K | 8-K | 0001193125-22-046032 | Feb 18, 2022 | — |
| SC 13G/A | SC 13G/A | 0001193125-22-042462 | Feb 15, 2022 | — |
| SC 13G/A | SCHEDULE 13G (AMENDMENT NO. 1) | 0000899140-22-000307 | Feb 14, 2022 | — |
| SC 13G/A | SC 13G/A | 0001104659-22-023132 | Feb 14, 2022 | — |
| 4 | FORM 4 | 0001567619-22-004499 | Feb 14, 2022 | Feb 10, 2022 |
| 4 | FORM 4 | 0001567619-22-003052 | Feb 9, 2022 | Feb 7, 2022 |
| SC 13G | — | 0000315066-22-000800 | Feb 9, 2022 | — |
| SC 13G/A | NONE | 0001567619-22-003064 | Feb 9, 2022 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-22-016551 | Feb 9, 2022 | — |
| SC 13G/A | — | 0000834237-22-006384 | Feb 3, 2022 | — |
| 8-K | 8-K | 0001193125-22-018422 | Jan 26, 2022 | — |
| 8-K | 8-K | 0001193125-22-005158 | Jan 10, 2022 | — |
| 4 | FORM 4 | 0001567619-22-000568 | Jan 5, 2022 | Jan 3, 2022 |
| SC 13G | SCHEDULE 13G | 0000899140-21-000770 | Dec 21, 2021 | — |
| 4 | FORM 4 | 0001567619-21-021583 | Dec 3, 2021 | Dec 1, 2021 |
| 424B5 | 424B5 | 0001193125-21-341305 | Nov 26, 2021 | — |
| 8-K | 8-K | 0001193125-21-341306 | Nov 26, 2021 | — |
| 4 | FORM 4 | 0001567619-21-020781 | Nov 18, 2021 | Nov 16, 2021 |
| 4 | FORM 4 | 0001567619-21-020779 | Nov 18, 2021 | Nov 16, 2021 |
| 4 | FORM 4 | 0001567619-21-020780 | Nov 18, 2021 | Nov 16, 2021 |
| 4 | FORM 4 | 0001567619-21-020777 | Nov 18, 2021 | Nov 16, 2021 |
| 4 | FORM 4 | 0001567619-21-020778 | Nov 18, 2021 | Nov 16, 2021 |
| 4 | FORM 4 | 0001567619-21-020653 | Nov 17, 2021 | Nov 15, 2021 |
| 4 | FORM 4 | 0001567619-21-019403 | Nov 5, 2021 | Nov 4, 2021 |
| 4 | FORM 4 | 0001567619-21-019331 | Nov 4, 2021 | Nov 2, 2021 |
| 8-K | 8-K | 0001564590-21-054254 | Nov 4, 2021 | — |
| 10-Q | 10-Q | 0001564590-21-054261 | Nov 4, 2021 | Sep 30, 2021 |
| 8-K | 8-K | 0001193125-21-290388 | Oct 4, 2021 | Oct 2, 2021 |
| S-8 | S-8 | 0001193125-21-286789 | Sep 29, 2021 | — |
| 4 | FORM 4 | 0001567619-21-017578 | Sep 24, 2021 | Sep 22, 2021 |
| 4 | FORM 4 | 0001567619-21-017260 | Sep 17, 2021 | Sep 15, 2021 |
| 4 | FORM 4 | 0001567619-21-016517 | Aug 31, 2021 | Aug 30, 2021 |
| 4 | FORM 4 | 0001567619-21-016145 | Aug 19, 2021 | Aug 17, 2021 |
| 4 | FORM 4 | 0001567619-21-016148 | Aug 19, 2021 | Aug 17, 2021 |
| 4 | FORM 4 | 0001567619-21-016149 | Aug 19, 2021 | Aug 17, 2021 |
| 4 | FORM 4 | 0001567619-21-016150 | Aug 19, 2021 | Aug 17, 2021 |
| 4 | FORM 4 | 0001567619-21-016151 | Aug 19, 2021 | Aug 17, 2021 |
| 4 | FORM 4 | 0001567619-21-014934 | Aug 10, 2021 | Aug 9, 2021 |