---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-142932"
form_type: "8-K"
ticker: "IBRX"
cik: "0001326110"
company_name: "ImmunityBio, Inc."
filed_at: "2026-04-06T23:59:59+00:00"
generated_at: "2026-05-15T07:15:11.195631+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# ImmunityBio submits response to FDA OPDP Warning Letter; outlines corrective actions

## Summary
- Submitted comprehensive response to FDA OPDP Warning Letter dated March 13, 2026.
- Identified podcast removed from corporate website; requested removal from third-party platforms.
- TV advertisement cited in FDA letter was never broadcast or disseminated to the public.
- Implementing enhanced compliance: executive training, expanded PRC protocols, external regulatory counsel.
- CEO Richard Adcock reaffirms commitment to accurate and compliant promotional communications.

## SEC filing metadata
- accession: 0001193125-26-142932
- form_type: 8-K
- ticker: IBRX
- cik: 0001326110
- company_name: ImmunityBio, Inc.
- filed_at: 2026-04-06T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1326110/000119312526142932/0001193125-26-142932-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1326110/000119312526142932/d70606d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-142932
- JSON: https://secwatch.observer/filing/0001193125-26-142932.json
- Plain text: https://secwatch.observer/filing/0001193125-26-142932.txt

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