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.
TransDigm Group Incorporated (NYSE: TDG) files a variety of documents with the U.S. Securities and Exchange Commission that provide detailed insight into its aerospace components business, capital structure and governance. This page compiles TransDigm’s SEC filings and pairs them with AI-powered summaries to help readers interpret the information more efficiently.
Investors can use this resource to locate annual reports on Form 10-K and quarterly reports on Form 10-Q, which typically describe TransDigm’s business segments, risk factors, product categories and financial results. For this company, filings often discuss its role as a designer, producer and supplier of highly engineered aircraft components, its organization into segments such as power and control and airframes, and its use of acquisitions and financial leverage as part of its strategy, as reflected in the Polygon description and company disclosures.
Current reports on Form 8-K are particularly important for tracking material events at TransDigm. Recent 8-K filings describe acquisitions such as the Simmonds Precision Products business and a definitive agreement to acquire Stellant Systems, debt offerings and amendments to the company’s credit agreement, special cash dividends funded with new debt and changes in executive leadership and board composition. These documents provide timely details on transactions, financing terms and governance decisions.
This page also offers access to filings related to debt instruments and credit agreements, where TransDigm outlines terms for senior secured notes, senior subordinated notes and term loans, as well as any amendments that reprice or extend these facilities. Where available, insider transaction reports on Form 4 and proxy statements on Schedule 14A can shed light on executive and director share ownership and compensation structures.
Stock Titan’s platform enhances these filings with AI-generated highlights and explanations, helping users quickly identify key sections, understand complex capital structure language and see how new 8-K events connect to prior disclosures. Real-time updates from EDGAR ensure that new TransDigm filings appear promptly, while the AI layer reduces the time needed to parse lengthy documents and track the regulatory record for TDG.
The Vanguard Group filed Amendment No. 14 to a Schedule 13G/A reporting 0 shares (0%) of TransDigm Group Inc common stock. The filing states that, following an internal realignment on January 12, 2026, certain Vanguard subsidiaries will report beneficial ownership separately in accordance with SEC Release No. 34-39538 (January 12, 1998).
The filing is signed by Ashley Grim, Head of Global Fund Administration, and lists Vanguard's Malvern, PA address. The disclosure describes the disaggregation of prior holdings and confirms no single outside person holds more than 5% of the class per the filing.
Palmer Peter reported acquisition or exercise transactions in this Form 4 filing.
TransDigm Group director Peter Palmer received 30 shares of Common Stock as compensation, valued at $1,214.66 per share, in connection with his semi-annual director fee under the Director Share Plan. Following this stock-in-lieu-of-cash award, he directly holds 4,030 TransDigm Group shares.
TransDigm Group director Jane M. Cronin received a stock grant as board compensation. She acquired 30 shares of TransDigm common stock on March 20, 2026 at a fair market value of $1,214.66 per share, issued in lieu of her semi-annual director fee under the Director Share Plan.
Following this grant, Cronin directly holds 699.62 shares of TransDigm common stock. This is a routine equity compensation award rather than an open‑market share purchase or sale.
HENNESSY SEAN P reported acquisition or exercise transactions in this Form 4 filing.
TransDigm Group director Sean P. Hennessy received 41 shares of common stock as compensation, valued at $1,214.66 per share. This was a stock grant rather than an open-market purchase.
The shares were issued in lieu of his semi-annual director fee under the company’s Director Share Plan, bringing his direct holdings to 33,790.09 shares.
MCCULLOUGH GARY E reported acquisition or exercise transactions in this Form 4 filing.
TransDigm Group Inc. director Gary E. McCullough received 37 shares of common stock as a stock-based director fee. The shares were valued at $1,214.66 per share, reflecting payment of a semi-annual board fee in stock rather than cash under the Director Share Plan. Following this award, he directly holds 952 common shares, indicating a relatively small, routine compensation-related increase in his ownership rather than an open-market purchase.
Santana Michele reported acquisition or exercise transactions in this Form 4 filing.
TransDigm Group INC director Michele Santana received 30 shares of Common Stock as a compensation award. The shares were valued at $1,214.66 each and were issued in lieu of a semi-annual director cash fee, based on fair market value under the company’s Director Share Plan. After this grant, Santana directly holds 771 TransDigm shares, reflecting routine equity-based board compensation rather than an open-market purchase.
BARR DAVID reported acquisition or exercise transactions in this Form 4 filing.
TransDigm Group director David Barr received 41 shares of Common Stock as a grant. The shares were valued at $1,214.66 per share and were issued on March 20, 2026. After this award, Barr directly owns 32,179 shares. A footnote explains the shares were received in lieu of a semi-annual director fee, based on fair market value under the company’s Director Share Plan.
Graff Michael reported acquisition or exercise transactions in this Form 4 filing.
TransDigm Group director Michael Graff received 30 shares of Common Stock as a stock grant on March 20, 2026. The shares were valued at $1,214.66 per share and were issued in lieu of his semi-annual director fee under the company’s Director Share Plan. Following this grant, he holds 1,683 shares directly, plus additional indirect holdings held by family trusts for the benefit of his children.
Howley W Nicholas reported acquisition or exercise transactions in this Form 4 filing.
TransDigm Group director W. Nicholas Howley received 113 shares of Common Stock as a grant on March 20, 2026. The shares were issued at a fair market value of $1,214.66 per share, in lieu of a semi-annual director fee under the Director Share Plan.
After this award, Howley holds 113 shares directly. He also has indirect beneficial holdings of 8,262 shares through The Howley Family Foundation and 21,547.513 shares through the W. Nicholas Howley Family Trust u/a/d 4/23/99, as reported in this filing.
TransDigm Group director W. Nicholas Howley, through the W. Nicholas Howley Family Trust, reported an option exercise and related share sales. The trust exercised stock options for 10,132 shares of TransDigm common stock at an exercise price of $50.9200 per share, converting them into 10,132 common shares.
The trust then sold 10,132 common shares in multiple open-market transactions on the same date at prices ranging from about $1,205.4151 to $1,231.3415 per share. Following these transactions, the trust continues to hold 21,547.513 TransDigm common shares indirectly attributed to Howley.