Michael Lisman - 06 Feb 2026 Form 4 Insider Report for TransDigm Group INC (TDG)

Role: President & CEO, Director
Signature: /s/ Rachel L. Quinlan as attorney in fact for Michael Lisman
Issuer symbol: TDG
Transactions as of: 06 Feb 2026
Net transactions value: +$1,220,048
Form type: 4
Filing time: 09 Feb 2026, 16:30:19 UTC
Previous filing: 17 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Lisman Michael	President & CEO, Director	1350 EUCLID AVENUE, SUITE 1600, CLEVELAND	/s/ Rachel L. Quinlan as attorney in fact for Michael Lisman	09 Feb 2026	0001748275

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TDG	Common Stock	Purchase	$1,220,048	+950	+41%	$1284.26	3,259	06 Feb 2026	Direct
holding	TDG	Common Stock						1,954	06 Feb 2026	Michael Lisman Declaration of Trust dated January 31, 2023	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Form 4 filed on 11/14/2025 showed an extra line, duplicating the holding of 1,954 shares. Confirming that the correct number of shares held indirectly in trust is 1,954.