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

TransDigm CEO Kevin Stein retires; Michael Lisman succeeds him as president and CEO

Neutral Impact 4 of 5 leadership Written later

TransDigm Group completed a CEO transition on September 30, 2025, when Michael J. Lisman succeeded Kevin M. Stein as president and chief executive officer. Stein remains on the board and has a consulting agreement to advise the company for up to 24 months at $25,000 per month, with some of his stock options continuing to vest and a portion to be forfeited.

Key points

  • Michael J. Lisman succeeded Kevin M. Stein as President and CEO on September 30, 2025.
  • Stein, who served nearly 11 years, remains a member of the Board of Directors.
  • Stein's consulting agreement, dated October 1, 2025, runs for up to 24 months at $25,000 per month.
  • Stein agreed to forfeit a certain portion of his outstanding stock options granted during his CEO tenure.

The filing

CompanyTransDigm (TDG)
Form8-K, current report
Filed with the SECOct 3, 2025, 4:13 PM ET
Accession number0001260221-25-000063

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 03, 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.