---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-022776"
form_type: "8-K"
ticker: "IBRX"
cik: "0001326110"
company_name: "ImmunityBio, Inc."
filed_at: "2025-02-07T23:59:59+00:00"
generated_at: "2026-05-27T00:51:44.709443+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Director John Owen Brennan resigns from ImmunityBio board

## Summary
- John Owen Brennan resigned from the Board and all committees effective February 7, 2025.
- Resignation was not due to any dispute with the Company regarding operations, policies, or practices.
- Mr. Brennan had served as a director since 2021.
- Company expressed appreciation for his service and contributions.

## SEC filing metadata
- accession: 0001193125-25-022776
- form_type: 8-K
- ticker: IBRX
- cik: 0001326110
- company_name: ImmunityBio, Inc.
- filed_at: 2025-02-07T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1326110/000119312525022776/0001193125-25-022776-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1326110/000119312525022776/d907316d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-022776
- JSON: https://secwatch.observer/filing/0001193125-25-022776.json
- Plain text: https://secwatch.observer/filing/0001193125-25-022776.txt

## Key facts
- Executive change
  John Owen Brennan resigned as Director at ImmunityBio, Inc..
  - Action: resigned
  - Role: Director
  source text: On February 7, 2025, John Owen Brennan notified the Secretary of ImmunityBio, Inc., a Delaware corporation (the “Company”) of his resignation as a member of the Company’s Board of Directors (the “Board”) and from all committees of the Board on which he served, effective as of February 7, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1326110/000119312525022776/0001193125-25-022776-index.htm

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