---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-24-071450"
form_type: "8-K"
ticker: null
cik: "0001845459"
company_name: "NKGen Biotech, Inc."
filed_at: "2024-08-21T23:59:59+00:00"
generated_at: "2026-05-31T08:18:18.640057+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# NKGen Biotech COO Pierre Gagnon resigns, stays as advisor through Nov 30

## Summary
- Pierre Gagnon resigned as COO effective August 15, 2024; will remain as non-executive employee in transition role until November 30, 2024.
- Resignation not due to any disagreements with the Company regarding operations, policies, or practices.
- No successor has been named as of the filing date.

## SEC filing metadata
- accession: 0001213900-24-071450
- form_type: 8-K
- cik: 0001845459
- company_name: NKGen Biotech, Inc.
- filed_at: 2024-08-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1845459/000121390024071450/0001213900-24-071450-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1845459/000121390024071450/ea0211985-8k_nkgen.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-24-071450
- JSON: https://secwatch.observer/filing/0001213900-24-071450.json
- Plain text: https://secwatch.observer/filing/0001213900-24-071450.txt

## Key facts
- Executive change
  Pierre Gagnon resigned as Chief Operating Officer at NKGen Biotech, Inc..
  - Action: resigned
  - Role: Chief Operating Officer
  source text: On August 15, 2024, Pierre Gagnon, who currently serves as Chief Operating Officer of NKGen Biotech, Inc. (the “Company”), notified the Company of his intent to resign from his role as Chief Operating Officer and as an officer of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1845459/000121390024071450/0001213900-24-071450-index.htm

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