TransDigm Group INC — Capital/Financing Update 2026

Apr 7, 2026

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): April 7, 2026

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,	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 April 7, 2026, TransDigm Group Incorporated (“TransDigm”) issued a press release (the “Press Release”) announcing the completion of the acquisition of Jet Parts Engineering and Victor Sierra Aviation Holdings (collectively, “the Companies”), formerly portfolio companies of Vance Street Capital, for approximately $2.2 billion in cash, including certain tax benefits. TransDigm financed the acquisition of the Companies through cash on hand as well as cash proceeds from the debt offerings completed in February 2026. The entry into the definitive agreement to acquire the Companies was previously reported in a Current Report on Form 8-K filed on January 16, 2026. A copy of this Press Release is attached to this Current Report on Form 8-K 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: April 7, 2026