# Atara Biotherapeutics, Inc.: Form DEF 14A, filed Apr 28, 2025

- Company: [Atara Biotherapeutics, Inc.](/companies/atra.md) (CIK 1604464)
- Form: DEF 14A
- Filed: 2025-04-28
- Accepted by EDGAR: Apr 28, 2025, 16:15 ET
- Period: 2025-06-10
- Accession: 0000950170-25-059322
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/1604464/000095017025059322/atra-20250428.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1604464/000095017025059322/

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/1604464/000095017025059322/atra-20250428.htm

Filed Apr 28, 2025.
Source: SEC EDGAR, the filing index for accession 0000950170-25-059322. Last ingested by Listed: Oct 24, 2026, 15:14 ET. No prices; not investment advice.