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. (TDG) Form 4: Robert J. Small, a company director and managing member of related investment entities, reported transactions dated 09/02/2025. The filing shows dispositions of Common Stock totaling 17,899 shares (2,318 and 15,581 shares) at a reported price of $0 (reflecting distributions rather than market sales). After the transactions, the reporting person (indirectly) is shown as beneficially owning 441,814 shares via Stockbridge Fund, plus 88,419 shares via Stockbridge Partners LLC and 60,246 shares via managed accounts, with additional family trust holdings. The reporting person disclaims beneficial ownership except for any pecuniary interest.
TransDigm Group Inc. insider activity: Director Michael Graff executed a stock option and completed related open-market sales on 08/26/2025. Mr. Graff exercised an option for 1,760 shares with an adjusted exercise price of $156.47 and immediately sold 1,760 shares in multiple transactions at weighted average prices in ranges between $1,398.79 and $1,404.42, with reported average weighted sale prices noted per lot. Following these transactions his direct beneficial ownership is reported as 1,964 shares. He also reports indirect holdings of 7,000 shares held by certain trusts he manages and 5,096 shares held by a separate trust created by his spouse.
TransDigm Group Incorporated (TDG) notice reports a proposed sale of 1,760 common shares through Morgan Stanley Smith Barney LLC on the NYSE with an aggregate market value of $2,467,687.38. The filing shows the shares were acquired on 08/26/2025 by exercise of options under a registered plan, consisting of 820 and 940 shares respectively, with cash payment on the same date. The filer certifies no undisclosed material adverse information about the issuer and indicates no securities sold by the person in the prior three months.
Joel Reiss, Co-Chief Operating Officer of TransDigm Group (TDG), reported insider transactions on 08/20/2025. He exercised stock options to acquire 3,000 shares at an exercise price of $284.97, then sold a total of 3,000 common shares in multiple blocks at weighted average prices in the approximate ranges of $1,399.40–$1,413.60. After these transactions the reporting person beneficially owned 3,600 common shares directly. The filing also shows beneficial ownership of 53,000 shares underlying stock options exercisable through 11/08/2027. The report indicates the transactions were made pursuant to a written plan consistent with Rule 10b5-1.
TransDigm Group Incorporated filed an 8-K reporting material agreements dated August 19, 2025. The filing includes indentures and forms for two note issuances: a 6.250% Senior Secured Note due 2034 and a 6.750% Senior Subordinated Note due 2034. Both indentures reference TransDigm Inc. as issuer with TransDigm Group Incorporated and subsidiary guarantors as applicable.
The company also disclosed Amendment No. 18 and an Incremental Term Loan Assumption Agreement, dated August 19, 2025, to its Second Amended and Restated Credit Agreement (originally dated June 4, 2014). A press release dated August 20, 2025, and the cover page interactive XBRL file are included as exhibits. The filing is signed by Sarah Wynne.
TransDigm Group director W. Nicholas Howley reported option exercise and multiple open-market sales on 08/15/2025. He exercised 2,736 options with an adjusted exercise price of $140.92, receiving 2,736 shares and increasing his indirect holdings to 7,353 shares held indirectly through the W. Nicholas Howley Family Trust. On the same date he sold a series of common shares totaling 3,083 shares at weighted prices ranging from about $1,391.77 to $1,407.41, reducing his indirect beneficial ownership from 24,283.513 to 21,547.513 shares. The Form 4 was signed by an attorney-in-fact on 08/18/2025.
Insider sale notice: This Form 144 reports that an insider plans to sell 8,208 shares of the issuer's Common Stock on or about 08/15/2025 through Stifel Nicolaus & Company. The filing lists the aggregate market value of the shares to be sold as $11,468,379.00 and states the company has 56,350,285 shares outstanding. The shares were originally acquired on 11/10/2016 via a stock option exercise and represent part of a larger holding of 158,674 shares acquired at that time. The filer also disclosed three recent sales in the past three months, each of 2,736 shares, with gross proceeds reported for each sale. The notice indicates payment will be in cash and was submitted under Rule 144 procedures for public resale by affiliates.
TransDigm Group priced an aggregate of $5,000 million of new debt, increased from an initially announced $4,000 million, and intends to use the net proceeds to fund an approximately $5,000 million special cash dividend to common shareholders, cash dividend-equivalent payments on eligible vested options, and related fees and expenses. As part of the financing, TransDigm Inc. priced $2,500 million of senior notes comprising $500 million of 6.250% Senior Secured Notes due 2034 and $2,000 million of 6.750% Senior Subordinated Notes due 2034, each issued at 100% and expected to close on August 19, 2025. The Notes will be guaranteed by TransDigm Group and certain of its subsidiaries and are being offered to qualified institutional buyers under Rule 144A and to non-U.S. persons under Regulation S.
Concurrently, TransDigm expects to incur up to $2,500 million of new tranche M term loans maturing in August 2032 pursuant to an amendment to its credit agreement. The closings of the notes and the credit amendment are not conditioned on one another. The filing also contains forward-looking statements and identifies risks that include the ability to complete the offerings and the credit amendment, sensitivity to flight hours and customer profitability, supply chain constraints, increases in costs, existing indebtedness, geopolitical events, cybersecurity threats and other factors explicitly listed in the report.
TransDigm Group announced that its subsidiary plans to raise $4,000 million of incremental debt, comprised of $1,500 million of senior secured notes, $1,000 million of senior subordinated notes and $1,500 million of new term loans. The company intends to use the net proceeds, together with cash on hand, to fund a special cash dividend of approximately $4,300 million to holders of its common stock and to make cash dividend-equivalent payments on eligible vested options.
The notes are being offered in concurrent private placements under Rule 144A and Regulation S and will be guaranteed by TransDigm Group and certain subsidiaries. TransDigm also expects to amend its credit agreement to incur up to $1,500 million of tranche M term loans. Each financing closing is not conditioned on the others and all transactions are subject to market and other conditions, so completion is uncertain. The report includes standard forward-looking risk disclosures addressing indebtedness, supply chain, operational sensitivity to flight hours and other factors.
Form 3 snapshot – TransDigm Group (TDG)
Patrick Joseph Murphy, recently named Co-Chief Operating Officer, filed his initial Section 16 report dated 08/05/2025. He discloses direct ownership of 1,055 common shares and 111,000 employee stock-option shares spread across six grants. Strike prices range from $269.42 to $869.73 with expirations between 2026-2033. No purchases or sales are reported; the filing simply establishes Mr. Murphy’s baseline insider holdings.