TransDigm Group INC — Director's Dealing 2025

Sep 24, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2025-09-22

Reporting Person: Reiss Joel (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-22	Common Stock	M	3000	$284.97	Acquired	6600	Direct
2025-09-22	Common Stock	S	136	$1270.1465	Disposed	6464	Direct
2025-09-22	Common Stock	S	122	$1271.3634	Disposed	6342	Direct
2025-09-22	Common Stock	S	222	$1272.7116	Disposed	6120	Direct
2025-09-22	Common Stock	S	120	$1274.2938	Disposed	6000	Direct
2025-09-22	Common Stock	S	55	$1274.8564	Disposed	5945	Direct
2025-09-22	Common Stock	S	1288	$1276.0513	Disposed	4657	Direct
2025-09-22	Common Stock	S	422	$1277.1839	Disposed	4235	Direct
2025-09-22	Common Stock	S	635	$1279.1467	Disposed	3600	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-09-22	Stock Option	$284.97	M	3000	Disposed	2027-11-08	Common Stock (3000)	Direct

Footnotes

F1: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,270.0100 - $1,270.3300. 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 $1,271.2000 - $1,272.1500. 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 $1,272.2000 - $1,273.1900. 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 $1,273.7000 - $1,274.4125. 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 $1,274.7500 - $1,275.7400. 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 $1,275.7425 - $1,276.6800. 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 $1,276.8800 - $1,277.7025. 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 $1,279.0500 - $1,279.4000. 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.