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TransDigm Group logoTransDigm Group TDG

The company said its Board of Directors appointed Mike Lisman as President and Chief Executive Officer on October 1, 2025, effective immediately. Lisman succeeds Kevin Stein, who retired effective September 30, 2025.

8-KDeparture or Appointment of Directors or Certain OfficersFiled Period of report Summary published (UTC)

Key points

AI summary
  1. The company said its Board of Directors appointed Mike Lisman as President and Chief Executive Officer on October 1, 2025, effective immediately. Lisman succeeds Kevin Stein, who retired effective September 30, 2025.

  2. The company said Kevin Stein retired effective September 30, 2025 after serving in senior management for more than 10 years, a retirement it first announced on May 6, 2025. It said Stein will serve as an advisor to help with the leadership transition through March 31, 2026, and will remain on the Board of Directors.

  3. TransDigm said Mike Lisman has served as Co-Chief Operating Officer since May 2023. Before that, he held roles including Chief Financial Officer and Executive Vice President. He joined the company in 2015 after working at Warburg Pincus in its New York and London offices.

  4. The company said it entered into a Second Amended and Restated Employment Agreement with Lisman on October 1, 2025 in connection with his appointment. It also said there are no family relationships between Lisman and any director or executive officer, and no related party transactions requiring disclosure under Item 404(a).

Summary

AI-written

Analysis scope · Filing body and confirmed press-release exhibitWe analyzed the filing body and confirmed exhibits. This is not a review of other exhibits, investor presentations or the full earnings call.

Mike Lisman Named President and Chief Executive Officer Effective October 1, 2025

The company said its Board of Directors appointed Mike Lisman as President and Chief Executive Officer on October 1, 2025, effective immediately. Lisman succeeds Kevin Stein, who retired effective September 30, 2025.

Source · Based on the filing body and exhibits

Kevin Stein Retires; Advisor Through March 31, 2026

The company said Kevin Stein retired effective September 30, 2025 after serving in senior management for more than 10 years, a retirement it first announced on May 6, 2025. It said Stein will serve as an advisor to help with the leadership transition through March 31, 2026, and will remain on the Board of Directors.

Source · Based on the filing body and exhibits

Mike Lisman's Career

TransDigm said Mike Lisman has served as Co-Chief Operating Officer since May 2023. Before that, he held roles including Chief Financial Officer and Executive Vice President. He joined the company in 2015 after working at Warburg Pincus in its New York and London offices.

Source · Based on the filing body and exhibits

Second Amended and Restated Employment Agreement Entered

The company said it entered into a Second Amended and Restated Employment Agreement with Lisman on October 1, 2025 in connection with his appointment. It also said there are no family relationships between Lisman and any director or executive officer, and no related party transactions requiring disclosure under Item 404(a).

Source · Based on the filing body and exhibits

AI summarized the filing and translated the summary into English; it may differ from the original. For reference only, not investment advice. AI translated the published Korean report into English. Figures are copied as filed, not recalculated.

Original filing

The filing as submitted to SEC EDGAR. You can check the figures and statements of this summary against it.

Source: SEC EDGAR (U.S. Securities and Exchange Commission). Item captions are the SEC's. The summary is for reference only and is not investment advice.