Cover and table of contents

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Cover and table of contents

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q


☒			Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the quarterly period ended December 27, 2025


☐			Transition Report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the transition period from to

Commission File Number 001-32833

TransDigm Group Incorporated

(Exact name of registrant as specified in its charter)

Delaware

(State or other jurisdiction of incorporation or organization)

41-2101738

(I.R.S. 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)

(Former name, former address and former fiscal year, if changed since last report.)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, accelerated filer, non-accelerated filer, smaller reporting company or emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and "emerging growth company" in Rule 12b-2 of the Exchange Act.


Large Accelerated Filer	☒	Accelerated Filer	☐
Non-Accelerated Filer	☐	Smaller Reporting Company	☐
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.			☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒


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

The number of shares outstanding of TransDigm Group Incorporated’s common stock, par value $.01 per share, was 56,473,563 as of January 30, 2026.

TABLE OF CONTENTS


			Page

PART I	FINANCIAL INFORMATION		1
ITEM 1		Financial Statements	1
		Condensed Consolidated Balance Sheets – December 27, 2025 and September 30, 2025	1
		Condensed Consolidated Statements of Income – Thirteen Week Periods Ended December 27, 2025 and December 28, 2024	2
		Condensed Consolidated Statements of Comprehensive Income – Thirteen Week Periods Ended December 27, 2025 and December 28, 2024	3
		Condensed Consolidated Statements of Changes in Stockholders’ Deficit – Thirteen Week Periods Ended December 27, 2025 and December 28, 2024	4
		Condensed Consolidated Statements of Cash Flows – Thirteen Week Periods Ended December 27, 2025 and December 28, 2024	5
		Notes to Condensed Consolidated Financial Statements	6
ITEM 2		Management’s Discussion and Analysis of Financial Condition and Results of Operations	20
ITEM 3		Quantitative and Qualitative Disclosure About Market Risk	35
ITEM 4		Controls and Procedures	35

PART II	OTHER INFORMATION		36
ITEM 1		Legal Proceedings	36
ITEM 1A		Risk Factors	36
ITEM 2		Unregistered Sales of Equity Securities and Use of Proceeds: Purchases of Equity Securities by the Issuer	36
ITEM 5		Other Information	36
ITEM 6		Exhibits	37

SIGNATURES			38

PART I: FINANCIAL INFORMATION

Next: Item 1. FINANCIAL STATEMENTS