TransDigm Group INC — Director's Dealing 2025

Dec 1, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2025-11-28

Reporting Person: Stein Kevin M (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-28	Common Stock	M	4592	$105.88	Acquired	12750	Indirect
2025-11-28	Common Stock	S	2997	$1360.4385	Disposed	9753	Indirect
2025-11-28	Common Stock	S	1545	$1361.2498	Disposed	8208	Indirect
2025-11-28	Common Stock	S	50	$1362.431	Disposed	8158	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-11-28	Stock Option	$105.88	M	4592	Disposed	2028-04-25	Common Stock (4592)	Indirect

Footnotes

F1: The exercise price has been adjusted for dividends declared since August 1, 2022.

F2: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,360.0000- $1,360.9400. The reporting person hereby undertakes, upon request of the Commission, the issuer or a
security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.

F3: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,361.0800- $1,361.8600. The reporting person hereby undertakes, upon request of the Commission, the issuer or a
security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.

F4: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,362.3000- $1,362.4900. The reporting person hereby undertakes, upon request of the Commission, the issuer or a
security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.