TransDigm Group INC — Director's Dealing 2026

Jan 16, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2026-01-14

Reporting Person: Stein Kevin M (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-14	Common Stock	M	7627	$342.31	Acquired	15785	Indirect
2026-01-14	Common Stock	S	2141	$1405.6379	Disposed	13644	Indirect
2026-01-14	Common Stock	S	3964	$1406.4099	Disposed	9680	Indirect
2026-01-14	Common Stock	S	1522	$1407.3422	Disposed	8158	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-14	Stock Option.	$342.31	M	7627	Disposed	2030-11-11	Common Stock (7627)	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 $1,405.0000 - $1,405.9700. 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 $1,406.0000 - $1,406.9900. 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 $1,407.0100 - $1,408.0000. 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