TransDigm Group INC — Director's Dealing 2025

Nov 21, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2025-11-20

Reporting Person: Stein Kevin M (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-20	Common Stock	M	1104	$105.88	Acquired	9262	Indirect
2025-11-20	Common Stock	S	655	$1360.3298	Disposed	8607	Indirect
2025-11-20	Common Stock	S	400	$1361.5239	Disposed	8207	Indirect
2025-11-20	Common Stock	S	49	$1363.2231	Disposed	8158	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-11-20	Stock Option	$105.88	M	1104	Disposed	2028-04-25	Common Stock (1104)	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- $1,360.9999. 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 $1,361.1400- $1,362.1399. 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 $1,363.0000- $1,363.9999. 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.