---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-139150"
form_type: "8-K"
ticker: "ATRA"
cik: "0001604464"
company_name: "Atara Biotherapeutics, Inc."
filed_at: "2025-06-11T23:59:59+00:00"
generated_at: "2026-05-19T13:18:03.994485+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# Atara Biotherapeutics announces 2025 annual meeting results; all proposals approved

## Summary
- Elected directors: AnhCo Nguyen (2.71M for), Matthew Fust (2.58M for), Gregory Ciongoli (2.99M for).
- Advisory vote on executive compensation approved 2.98M for vs 43K against.
- Frequency of say-on-pay set to one year (3.00M votes for one year).
- Ratified Deloitte & Touche as auditor for FY2025 with 4.39M for, 69K against, 79K abstain.

## SEC filing metadata
- accession: 0001193125-25-139150
- form_type: 8-K
- ticker: ATRA
- cik: 0001604464
- company_name: Atara Biotherapeutics, Inc.
- filed_at: 2025-06-11T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1604464/000119312525139150/0001193125-25-139150-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1604464/000119312525139150/d935254d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-139150
- JSON: https://secwatch.observer/filing/0001193125-25-139150.json
- Plain text: https://secwatch.observer/filing/0001193125-25-139150.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.