Transdigm Group SEC Filings

TransDigm Group (TDG): insider transaction reported. On 10/27/2025, the Fortuna Trust dated June 1, 2018, affiliated with a company director, exercised 700 stock options at $105.88 and sold 700 common shares at an average $1,360. Following these transactions, the trust held 8,158 common shares indirectly. The option exercise related to a grant exercisable since 09/30/2018 and expiring 04/25/2028, with 72,800 derivative securities remaining indirectly held.

TransDigm Group (TDG): Co-Chief Operating Officer reported an option exercise and same-day sale on 10/27/2025. The filing shows an M-code exercise of 580 shares via stock options at $269.42 per share, followed by an S-code sale of 580 shares at a weighted average price of $1,354.76.

After these transactions, the reporting person directly owned 1,055 shares of common stock. The sale price reflects trades within the disclosed range of $1,354.7600–$1,355.7599. Derivative holdings listed following the transaction show 2,320 stock options remaining outstanding, with the exercised grant originally dated 09/30/2020 and expiring 11/10/2026.

TransDigm Group (TDG) reported a Form 144 notice for a proposed sale of 580 common shares with an aggregate market value of $788,394.00. The contemplated sales are listed for execution through Morgan Stanley Smith Barney LLC on the NYSE with an approximate sale date of 10/27/2025.

The shares were acquired on 10/27/2025 via an exercise of stock options for 580 shares, paid in cash. In the past three months, the filer also reported 290 shares sold on 08/01/2025 for $461,906.20 under a 10b5-1 plan.

TransDigm (TDG): A shareholder filed a Form 144 notice to sell up to 700 shares of common stock through Morgan Stanley Smith Barney LLC. The filing lists an aggregate market value of 951,510 and identifies the NYSE as the exchange.

The seller acquired 700 shares on 10/27/2025 via the exercise of stock options, with payment in cash on the same date. The filing also notes 56,350,285 shares outstanding.

TransDigm Group Incorporated announced two Board appointments. On October 23, 2025, the Board named Michael Lisman, the Company’s President and CEO, and Peter Palmer, a former Executive Vice President, as directors, effective immediately.

Lisman previously served as Co-Chief Operating Officer, Chief Financial Officer and Executive Vice President, including leading M&A. Palmer retired at the end of 2024 after a 24-year career, with leadership roles across operating units and experience in governance and mergers and acquisitions. Neither appointee was assigned to Board committees, and the Company disclosed no related party transactions under Item 404(a).

TransDigm Group (TDG): insider transaction — Co‑Chief Operating Officer Joel Reiss exercised 3,000 stock options at $284.97 and, on the same day (10/20/2025), sold 3,000 common shares in multiple open‑market trades.

The reported sales were executed in tranches priced between $1,272.04 and $1,284.00, with several weighted‑average prices disclosed. Following these transactions, Mr. Reiss reported 3,600 common shares beneficially owned directly. He also reported 47,000 derivative securities (stock options) beneficially owned, with the exercised option series having an exercise price of $284.97, first exercisable on 09/30/2021 and expiring on 11/08/2027.

TransDigm Group (TDG): Director W. Nicholas Howley, through the W. Nicholas Howley Family Trust u/a/d 4/23/99, reported an option exercise and related share sales on 10/15/2025. The trust exercised stock options for 2,736 shares at $50.92 per share (exercise price adjusted for dividends declared since August 1, 2022) and executed multiple sales totaling 2,736 shares.

Sale prices were recorded at weighted averages across individual trades, with disclosed ranges from $1,291.6700 to $1,308.24. Following these transactions, the trust beneficially owns 21,547.513 shares of common stock indirectly. The filing also shows 1,881 derivative securities remaining beneficially owned indirectly after the reported transactions.