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.
TransDigm Group Inc. director W. Nicholas Howley, through the W. Nicholas Howley Family Trust u/a/d 4/23/99, reported an exercise-and-sell sequence in TransDigm common stock. The trust exercised stock options for 10,132 shares at exercise prices of $66.47 and $50.92 per share.
On the same date, the trust completed multiple open-market sales totaling 10,132 shares at per-share prices generally around $1,260–$1,272, reported as weighted averages for several price ranges. Following these transactions, the trust indirectly held 31,336.513 shares of TransDigm common stock.
TransDigm Group Incorporated, through its subsidiary TransDigm Inc., completed $1,500 million of new debt financing. This includes $500 million of 6.125% Senior Subordinated Notes due July 31, 2034 and $1,000 million of additional tranche N term loans maturing February 13, 2033.
TransDigm Group intends to use the net proceeds, together with cash on hand, to fund the purchase price of the expected acquisition of Stellant Systems, Inc., approximately $800 million of common share repurchases completed in March 2026, and related transaction fees and expenses. The new notes and loans carry covenant, ranking and default terms typical for TransDigm’s existing credit structure.
TransDigm Group’s Co-Chief Operating Officer Joel Reiss exercised stock options for 3,900 shares of common stock at an exercise price of $284.9700 per share and on the same date sold 3,900 shares in multiple open-market transactions at prices ranging from $1,273.8500 to $1,294.8000. Following these transactions, he holds 3,600 shares of TransDigm common stock directly.
TransDigm Group Incorporated priced an incremental $1,500 million of new debt to help fund its planned acquisition of Stellant Systems, Inc. and approximately $800 million of common share repurchases completed in March 2026.
The company is issuing $500 million of additional 6.125% Senior Subordinated Notes due 2034 through its subsidiary TransDigm Inc. at 100.375% of principal, with closing expected on April 17, 2026 subject to customary conditions. TransDigm Inc. also expects to incur up to $1,000 million of new tranche N term loans maturing in February 2033 under an amendment to its existing credit agreement, although completion of this amendment depends on market and other conditions.
TransDigm Group released preliminary results for the thirteen-week period ended March 28, 2026, reporting net sales of about $2,540 million to $2,545 million and EBITDA As Defined of about $1,330 million to $1,335 million. These figures are unaudited estimates and may change after full closing procedures.
The company’s subsidiary, TransDigm Inc., plans, subject to market and other conditions, to raise $1,250 million of new debt, including $250 million of additional 6.125% senior subordinated notes due 2034 and $1,000 million of new term loans. TransDigm Group intends to use the net proceeds, together with cash on hand, to fund the Stellant Systems acquisition, approximately $800 million of common share repurchases completed in March 2026, and related transaction fees and expenses.
TransDigm Group Incorporated has completed its acquisition of Jet Parts Engineering and Victor Sierra Aviation Holdings for approximately $2.2 billion in cash, including certain tax benefits. The deal was funded with cash on hand and proceeds from debt offerings completed in February 2026.
Jet Parts Engineering is a leading independent designer and manufacturer of proprietary OEM-alternative aerospace parts and repairs, generating nearly all revenue from the commercial aftermarket and employing about 300 people. Victor Sierra Aviation focuses on proprietary PMA and other aftermarket parts for general and business aviation, with nearly all revenue from the commercial aftermarket and a workforce of about 400.
The two companies together produced approximately $280 million in revenue for the year ended December 31, 2025, expanding TransDigm’s presence in highly engineered commercial aerospace aftermarket components.
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.