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.
Sean P. Hennessy, a director of TransDigm Group Inc. (TDG), reported a non-derivative transaction dated 09/19/2025 in which he acquired 36 shares of the issuer under the companys Director Share Plan in lieu of a semi-annual director fee. The form lists a price of $1,288.13 and shows 33,749.09 shares beneficially owned following the reported transaction. The filing explicitly states the receipt of stock was made in accordance with the Director Share Plan and valued at fair market value. The Form 4 was signed on 09/22/2025 by an attorney-in-fact.
Michael Graff, a director of TransDigm Group Inc. (TDG), reported the acquisition of 29 shares of TransDigm common stock on 09/19/2025 as payment in lieu of his semi-annual director fee under the companys Director Share Plan; the shares were valued at $1,288.13. After the transaction he directly beneficially owns 1,993 shares and indirectly beneficially owns 5,096 shares held by The 2012 Carol Ostrow GST Trust and 7,000 shares held by other trusts for his children (for which he is trustee), totaling 14,089 shares reported on this Form 4. The filing was submitted as a single-person Form 4 and signed by an attorney-in-fact on 09/22/2025. No derivative transactions were reported.
Jane M. Cronin, a director of TransDigm Group Incorporated (TDG), reported an acquisition of common stock on 09/19/2025. The Form 4 shows a transaction coded A (acquisition) for 29 shares and includes the figures $1,288.13 and 669.62 in the reporting line. The Explanation of Responses states these shares were received in lieu of payment of a semi-annual director fee under the company’s Director Share Plan and were valued based on fair market value.
The filing is signed by an attorney-in-fact on behalf of the reporting person and indicates the filing was made by one reporting person. No derivative transactions, amendments, or additional material events are disclosed in this Form 4.
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 through Stifel Nicolaus & Company, with an aggregate market value reported as $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 Incorporated reported that its wholly owned subsidiary TransDigm Inc. amended its senior credit agreement on September 17, 2025. The company repriced the margin on $1,686 million of existing term loans K from Term SOFR plus 2.75% to Term SOFR plus 2.25%. It also amended and extended $1,857 million of existing term loans I, pushing the maturity from August 2028 to March 2030 and reducing the margin on these loans from Term SOFR plus 2.75% to Term SOFR plus 2.25% by converting them into new tranche K term loans. Other terms and conditions of the new tranche K loans remain substantially the same as before the amendment.
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.