Atara Biotherapeutics, Inc.
SEC Filing List
ATRA CIK: 0001604464
| Form | Description | Owner/Filer | Filing Agent | Date | Actions |
|---|---|---|---|---|---|
| SCHEDULE 13G/A | SEWARD & KISSEL LLP /fa | 08/14/2026 | |||
| 8-K | Current report filing | Atara Biotherapeutics, Inc. | DONNELLEY FINANCIAL SOLUTIONS /FA/ | 08/12/2026 | |
| 10-Q | Quarterly report pursuant to Section 13 ... | Atara Biotherapeutics, Inc. | DONNELLEY FINANCIAL SOLUTIONS /FA/ | 08/12/2026 | |
| SCHEDULE 13D/A | Toppan Merrill/FA | 07/24/2026 | |||
| 4 | Statement of changes in beneficial owner... | Toppan Merrill/FA | 07/24/2026 | ||
| 3 | Initial statement of beneficial ownershi... | Sarney Kevin G | SIDLEY AUSTIN LLP /FA/ | 07/06/2026 | |
| 8-K | Current report filing | Atara Biotherapeutics, Inc. | DONNELLEY FINANCIAL SOLUTIONS /FA/ | 06/26/2026 | |
| 4 | Statement of changes in beneficial owner... | Cherry Brian N | SIDLEY AUSTIN LLP /FA/ | 06/15/2026 | |
| 3 | Initial statement of beneficial ownershi... | Cherry Brian N | SIDLEY AUSTIN LLP /FA/ | 06/15/2026 | |
| S-8 | Initial registration statement for secur... | Atara Biotherapeutics, Inc. | EdgarAgents LLC /fa | 06/12/2026 | |
| No record found. | |||||
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