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

TransDigm names Mike Lisman CEO, succeeding Kevin Stein effective immediately

Neutral Impact 4 of 5 leadership Written later

TransDigm's Board appointed Mike Lisman as President and Chief Executive Officer effective October 1, 2025, succeeding Kevin Stein, who retired effective September 30, 2025. The succession was first announced in a May 6, 2025 press release, and the filing describes it as a planned transition. The filing contains no financial results, and the new CEO's employment agreement is filed as Exhibit 10.1.

Key points

  • Mike Lisman appointed President and CEO effective October 1, 2025; Kevin Stein retired effective September 30, 2025
  • Lisman has been Co-Chief Operating Officer since May 2023 and joined TransDigm in 2015
  • Succession was first announced May 6, 2025; Stein will advise the company through March 31, 2026 and remain a director
  • Second Amended and Restated Employment Agreement with Lisman dated October 1, 2025, filed as Exhibit 10.1

The filing

CompanyTransDigm (TDG)
Form8-K, current report
Filed with the SECOct 1, 2025, 4:10 PM ET
Accession number0001260221-25-000061

Items reported: 5.02 Director / Officer Change7.01 Regulation FD Disclosure

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 01, 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.