---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-027257"
form_type: "8-K"
ticker: "ATRA"
cik: "0001604464"
company_name: "Atara Biotherapeutics, Inc."
filed_at: "2023-06-09T23:59:59+00:00"
generated_at: "2026-06-14T03:52:50.670755+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Atara CTO Charlene Banard departs; signs consulting deal through Sept 2023

## Summary
- Charlene Banard, EVP and Chief Technical Officer, left Atara on June 9, 2023.
- She entered a consulting agreement with Atara from June 9 through September 30, 2023.
- Consulting fee: $2,000 monthly for up to specified hours, plus $220/hr for excess hours.
- Her outstanding equity awards will continue to vest during the consulting term.

## SEC filing metadata
- accession: 0000950170-23-027257
- form_type: 8-K
- ticker: ATRA
- cik: 0001604464
- company_name: Atara Biotherapeutics, Inc.
- filed_at: 2023-06-09T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1604464/000095017023027257/0000950170-23-027257-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1604464/000095017023027257/atra-20230609.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-027257
- JSON: https://secwatch.observer/filing/0000950170-23-027257.json
- Plain text: https://secwatch.observer/filing/0000950170-23-027257.txt

## Key facts
- Executive change
  Charlene Banard departed as Executive Vice President, Chief Technical Officer at Atara Biotherapeutics, Inc..
  - Action: departed
  - Role: Executive Vice President, Chief Technical Officer
  source text: On May 8, 2023, Atara Biotherapeutics, Inc., a Delaware corporation (the “Company”), announced that Charlene Banard, the Company’s Executive Vice President, Chief Technical Officer, would depart the Company on June 9, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1604464/000095017023027257/0000950170-23-027257-index.htm

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