Welcome to our dedicated page for TransDigm Group SEC filings (Ticker: TDG), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on TransDigm Group's stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.
Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time SEC filing updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into TransDigm Group's regulatory disclosures and financial reporting.
TransDigm Group (TDG) reported an insider transaction by its Co‑Chief Operating Officer. On 11/03/2025, the officer exercised 290 stock options at $269.42 and on the same day sold 290 common shares at a weighted average price of $1,310 (within a range of $1,310.0000–$1,310.9999).
Following these transactions, the officer directly owns 1,055 common shares and holds 2,030 stock options outstanding.
TDG filed a Form 144 indicating a proposed sale of 290 shares of common stock through Morgan Stanley Smith Barney LLC, with an aggregate market value of $379,467.90. The approximate sale date is 11/03/2025 on the NYSE.
The securities to be sold were acquired on 11/03/2025 via the exercise of stock options, paid in cash. Over the past three months, the filing lists a Rule 10b5-1 transaction for Patrick J. Murphy on 10/27/2025 totaling 580 shares for gross proceeds of $785,760.80. Shares outstanding are stated as 56,350,285.
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.
TransDigm Group Incorporated filed an 8-K to report that it has completed the acquisition of the Simmonds Precision Products, Inc. business from RTX Corporation. The purchase price was approximately $765 million in cash, which includes certain tax benefits. TransDigm Group financed the deal using cash on hand, meaning it did not need to raise external financing for this transaction. The acquisition had previously been announced when the definitive agreement was signed, and this filing confirms that the transaction has now closed. A press release with additional details is included as an exhibit and incorporated by reference.