---
schema_version: "secwatch.filing_event.v1"
accession: "0001260221-25-000050"
form_type: "8-K"
ticker: "TDG"
cik: "0001260221"
company_name: "TransDigm Group INC"
filed_at: "2025-08-05T23:59:59+00:00"
generated_at: "2026-05-17T20:29:02.174673+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# TransDigm appoints Patrick J. Murphy as Co-COO alongside Joel B. Reiss

## Summary
- Patrick J. Murphy appointed Co-Chief Operating Officer effective August 5, 2025.
- Murphy will serve alongside current Co-COO Joel B. Reiss.
- Murphy was an Executive VP at TransDigm for the past six years.
- Prior to that, he was President at HarcoSemco, a TransDigm subsidiary.
- No reportable family relationships or related party transactions.

## SEC filing metadata
- accession: 0001260221-25-000050
- form_type: 8-K
- ticker: TDG
- cik: 0001260221
- company_name: TransDigm Group INC
- filed_at: 2025-08-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1260221/000126022125000050/0001260221-25-000050-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1260221/000126022125000050/tdg-20250805.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001260221-25-000050
- JSON: https://secwatch.observer/filing/0001260221-25-000050.json
- Plain text: https://secwatch.observer/filing/0001260221-25-000050.txt

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