Atara Biotherapeutics, Inc.
SEC Filing List
ATRA CIK: 0001604464
| Form | Description | Owner/Filer | Filing Agent | Date | Actions |
|---|---|---|---|---|---|
| 8-K | Current report filing | Atara Biotherapeutics, Inc. | DONNELLEY FINANCIAL SOLUTIONS /FA/ | 06/26/2026 | |
| 3 | Initial statement of beneficial ownershi... | Cherry Brian N | SIDLEY AUSTIN LLP /FA/ | 06/15/2026 | |
| 4 | Statement of changes in beneficial owner... | 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 | |
| 8-K | Current report filing | Atara Biotherapeutics, Inc. | EdgarAgents LLC /fa | 06/12/2026 | |
| 4 | Statement of changes in beneficial owner... | Ciongoli Gregory Austin | SIDLEY AUSTIN LLP /FA/ | 06/11/2026 | |
| 4 | Statement of changes in beneficial owner... | Heiden William K | SIDLEY AUSTIN LLP /FA/ | 06/11/2026 | |
| 4 | Statement of changes in beneficial owner... | Fust Matthew K | SIDLEY AUSTIN LLP /FA/ | 06/11/2026 | |
| 4 | Statement of changes in beneficial owner... | Grant-huerta Yanina | SIDLEY AUSTIN LLP /FA/ | 05/20/2026 | |
| 4 | Statement of changes in beneficial owner... | Nguyen Anhco | SIDLEY AUSTIN LLP /FA/ | 05/20/2026 | |
| No record found. | |||||
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