TransDigm Group INC — Director's Dealing 2026

Feb 3, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2026-02-02

Reporting Person: Stein Kevin M (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-02	Common Stock	S	1421	$1431.4599	Disposed	17812	Indirect
2026-02-02	Common Stock	S	1364	$1432.5282	Disposed	16448	Indirect
2026-02-02	Common Stock	S	3093	$1433.4578	Disposed	13355	Indirect
2026-02-02	Common Stock	S	1462	$1434.6305	Disposed	11893	Indirect
2026-02-02	Common Stock	S	810	$1435.6275	Disposed	11083	Indirect
2026-02-02	Common Stock	S	1497	$1436.4265	Disposed	9586	Indirect
2026-02-02	Common Stock	S	428	$1437.3994	Disposed	9158	Indirect
2026-02-02	Common Stock	S	270	$1438.9134	Disposed	8888	Indirect
2026-02-02	Common Stock	S	720	$1439.5622	Disposed	8168	Indirect
2026-02-02	Common Stock	S	10	$1440.48	Disposed	8158	Indirect

Footnotes

F1: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,431.0500 - $1,431.9900. 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.

F2: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,432.1000 - $1,432.9400. 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 $1,433.1200 - $1,434.0800. 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 $1,434.1400 - $1,435.1200. 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.

F5: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,435.1400 - $1,436.1350. 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.

F6: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,436.1400 - $1,437.0900. 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.

F7: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,437.1800 - $1,438.0400. 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.

F8: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,438.1800 - $1,439.1400. 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.

F9: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,439.2000 - $1,440.1700. 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.