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.
David Barr, a director of TransDigm Group Inc. (TDG), reported a Form 4 disclosing a non‑derivative acquisition of company common stock on 09/19/2025. The filing shows an acquisition coded A for "36(1)" shares with a listed price of $1,288.13 and reports 32,138 shares beneficially owned following the transaction. The explanation states the shares were received in lieu of a semi‑annual director fee under the companys Director Share Plan. The form is signed by an attorney‑in‑fact on 09/22/2025.
Robert J. Small, a director of TransDigm Group Inc. (TDG), received equity on 09/19/2025 as director compensation under the Director Share Plan. The Form 4 reports receipt of common stock in lieu of a semi-annual director fee, and after the transaction the Reporting Person directly beneficially owned 15,625 shares. The filing lists additional indirect holdings: 441,814 shares held by Stockbridge Fund, L.P., 83,419 shares held by Stockbridge Partners LLC (managed account), and 60,246 shares held by certain family trusts. The report was signed by an attorney-in-fact on 09/22/2025 and discloses that the stock receipt was based on fair market value per the Director Share Plan.
Form 144 Notice for TransDigm Group Inc (TDG) shows a proposed sale of 9,000 shares of common stock$11,484,613.00. The shares were acquired by the seller via an option exercise on 11/08/2017 (65,000 shares acquired) and the planned sale date is listed as 08/20/2025 with payment noted as cash. The filing also discloses three recent sales by the same person during the past three months—3,000 shares on 05/20/2025, 06/20/2025 and 07/21/2025—with gross proceeds of $4,303,050.00, $4,272,803.00 and $4,793,579.00 respectively. The filer affirms no undisclosed material adverse information and signs under Rule 144 attestation requirements.
TransDigm Group Inc. director W. Nicholas Howley reported multiple transactions in the issuer's common stock on 09/15/2025. The filing shows an acquisition of 2,736 shares via exercise related to a stock option with an adjusted exercise price of $50.92. The reporting person also sold a series of batches totaling 2,736 shares at weighted prices in a range from approximately $1,273.69 to $1,288.21. Following these transactions, the reporting person (through the W. Nicholas Howley Family Trust u/a/d 4/23/99) is shown as beneficially owning 21,547.513 shares of TransDigm common stock.
Robert J. Small, a director of TransDigm Group Inc. (TDG), reported multiple transactions in the company’s common stock on Form 4. The filing shows indirect holdings of 441,814 shares by Stockbridge Fund, L.P. and 60,246 shares held by family trusts. On 09/12/2025 several sales by Stockbridge Partners LLC are reported at weighted-average prices ranging approximately from $1,270.85 to $1,284.35 across multiple blocks. The filing also discloses a 09/15/2025 gift of 10,000 shares to a donor-advised fund (reported as $0 consideration). The reporting person disclaims direct beneficial ownership of the shares held by the entities named.
TransDigm Group Inc. (TDG) Form 144 notice: The filer proposes to sell Common Stock through two brokers, Goldman, Sachs & Co. and Barclays Bank PLC, each listed with 10,000 shares to be sold on or about 09/12/2025 on the NYSE. Each 10,000-share entry shows an aggregate market value of $12,873,200.00 and the issuer's outstanding shares listed as 56,350,285. The securities were acquired by open market purchases on 12/31/2017 for 10,000 shares and paid in cash on that date. The filer reports no securities sold in the past three months and includes the standard attestation that they are not aware of undisclosed material adverse information.
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.
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