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AI brief of an SEC Form 8-K · TransDigm (TDG)

TransDigm adds CEO Michael Lisman and Peter Palmer to its board of directors

Neutral Impact 3 of 5 leadership Written later

On October 23, 2025, TransDigm's board appointed CEO Michael Lisman and retired executive Peter Palmer as directors, effective immediately. Neither has been placed on a board committee, and the filing reports no related party transactions for either director.

Key points

  • Michael Lisman is President and Chief Executive Officer and previously served as Co-Chief Operating Officer and Chief Financial Officer.
  • Peter Palmer retired as an Executive Vice President at the end of 2024, after a 24-year career at TransDigm.
  • Neither new director has been appointed to any board committee.
  • The filing reports no arrangements for either director's selection and no related party transactions under Item 404(a).

The filing

CompanyTransDigm (TDG)
Form8-K, current report
Filed with the SECOct 23, 2025, 4:05 PM ET
Accession number0001260221-25-000068

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 1:42 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on October 23, 2025.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.