---
schema_version: "secwatch.filing_event.v1"
accession: "0001260221-23-000066"
form_type: "8-K"
ticker: "TDG"
cik: "0001260221"
company_name: "TransDigm Group INC"
filed_at: "2023-10-27T23:59:59+00:00"
generated_at: "2026-06-09T06:48:12.856079+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# TransDigm directors Mervin Dunn and John Staer resign from Board effective immediately

## Summary
- Mervin Dunn (Board member since 2009) and John Staer (since 2012) resigned on October 26, 2023.
- Both resigned from all Board committees (Compensation, Nominating & Governance for Dunn; Audit, Nominating & Governance for Staer).
- Resignations were not due to any disagreement with the Company regarding operations, policies, or practices.

## SEC filing metadata
- accession: 0001260221-23-000066
- form_type: 8-K
- ticker: TDG
- cik: 0001260221
- company_name: TransDigm Group INC
- filed_at: 2023-10-27T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1260221/000126022123000066/0001260221-23-000066-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1260221/000126022123000066/tdg-20231026.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001260221-23-000066
- JSON: https://secwatch.observer/filing/0001260221-23-000066.json
- Plain text: https://secwatch.observer/filing/0001260221-23-000066.txt

## Key facts
- Executive change
  John Staer resigned as Director at TransDigm Group INC.
  - Action: resigned
  - Role: Director
  source text: On October 26, 2023, Mervin Dunn and John Staer, each a member of the Board of Directors (the “Board”) of TransDigm Group Incorporated (the “Company”), gave notice of their resignation from the Board and as a member of the Board committees on which they serve, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1260221/000126022123000066/0001260221-23-000066-index.htm
- Executive change
  Mervin Dunn resigned as Director at TransDigm Group INC.
  - Action: resigned
  - Role: Director
  source text: On October 26, 2023, Mervin Dunn and John Staer, each a member of the Board of Directors (the “Board”) of TransDigm Group Incorporated (the “Company”), gave notice of their resignation from the Board and as a member of the Board committees on which they serve, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1260221/000126022123000066/0001260221-23-000066-index.htm

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