TransDigm Group (NYSE: TDG) closes $765M Simmonds Precision acquisition

Rhea-AI Filing Summary

TransDigm Group Incorporated filed an 8-K to report that it has completed the acquisition of the Simmonds Precision Products, Inc. business from RTX Corporation. The purchase price was approximately $765 million in cash, which includes certain tax benefits. TransDigm Group financed the deal using cash on hand, meaning it did not need to raise external financing for this transaction. The acquisition had previously been announced when the definitive agreement was signed, and this filing confirms that the transaction has now closed. A press release with additional details is included as an exhibit and incorporated by reference.

Insights

Aerospace & Defense M&A Analyst

TransDigm closes a $765M cash acquisition of Simmonds, funded entirely from cash on hand.

The filing shows that TransDigm Group completed its acquisition of the Simmonds Precision Products, Inc. business from RTX Corporation for approximately $765 million in cash, including certain tax benefits. The transaction had already been announced previously, so this update mainly confirms closing rather than introducing a new strategic direction.

Funding the purchase entirely with cash on hand indicates that TransDigm did not rely on new debt or equity issuance for this deal, based on the provided information. That can matter for balance sheet structure, but the excerpt does not quantify leverage or cash levels, so the overall financial impact cannot be fully assessed here.

The inclusion of the press release as Exhibit 99.1 suggests that more detail on Simmonds’ products, markets, or expected contribution may be available there. Future periodic reports covering periods after October 6, 2025 will show how this acquired business affects TransDigm’s revenue, margins, and cash flow.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 6, 2025

TransDigm Group Incorporated

(Exact name of registrant as specified in its charter)

Delaware

001-32833

41-2101738

(State or other jurisdiction of incorporation)

(Commission File Number)

(IRS Employer Identification No.)

1350 Euclid Avenue,

Suite 1600,

Cleveland,

Ohio

44115

(Address of principal executive offices)

(Zip Code)

(216) 706-2960

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class:

Trading Symbol:

Name of each exchange on which registered:

Common Stock, $0.01 par value

TDG

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging Growth Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01. Other Events.

On October 6, 2025, TransDigm Group Incorporated (“TransDigm Group”) issued a press release (the “Press Release”) announcing the completion of the acquisition of the Simmonds Precision Products, Inc. Business (“Simmonds” or “the Company”) of Goodrich Corporation from RTX Corporation, for approximately $765 million in cash, including certain tax benefits. TransDigm Group financed the acquisition through cash on hand. The entry into the definitive agreement to acquire the Company was previously reported in a Current Report on Form 8-K filed on June 30, 2025. A copy of this Press Release is filed with this Current Report as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.						Description
99.1						Press Release
104						Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

TRANSDIGM GROUP INCORPORATED
By:									/s/ Sarah Wynne
			Name:						Sarah Wynne
			Title:						Chief Financial Officer (Principal Financial Officer)

Dated: October 6, 2025

FAQ

What transaction did TransDigm Group (TDG) report in this 8-K?

TransDigm Group reported the completion of its acquisition of the Simmonds Precision Products, Inc. business from RTX Corporation.

How much did TransDigm Group (TDG) pay for Simmonds Precision Products, Inc.?

TransDigm Group paid approximately $765 million in cash, which includes certain tax benefits, to acquire the Simmonds Precision Products, Inc. business.

How was the Simmonds acquisition financed by TransDigm Group (TDG)?

TransDigm Group financed the acquisition of Simmonds through cash on hand, according to the filing.

Who sold the Simmonds Precision Products, Inc. business to TransDigm Group (TDG)?

The Simmonds Precision Products, Inc. business was acquired from RTX Corporation.

Where can investors find more details about TransDigm Group’s Simmonds acquisition?

Additional details are provided in the press release filed as Exhibit 99.1, which is incorporated by reference into the report.

Was the acquisition of Simmonds by TransDigm Group (TDG) previously announced?

Yes. The entry into the definitive agreement to acquire the Company was previously reported in a filing dated June 30, 2025.