TransDigm Group INC — Director's Dealing 2025

Nov 17, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2025-11-17

Reporting Person: Howley W Nicholas (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-17	Common Stock	M	2736	$50.92	Acquired	24283.513	Indirect
2025-11-17	Common Stock	S	10	$1327.875	Disposed	24273.513	Indirect
2025-11-17	Common Stock	S	105	$1328.6	Disposed	24168.513	Indirect
2025-11-17	Common Stock	S	610	$1331.2715	Disposed	23558.513	Indirect
2025-11-17	Common Stock	S	515	$1333.6895	Disposed	23043.513	Indirect
2025-11-17	Common Stock	S	1057	$1334.8868	Disposed	21986.513	Indirect
2025-11-17	Common Stock	S	23	$1335.6135	Disposed	21963.513	Indirect
2025-11-17	Common Stock	S	41	$1338.4922	Disposed	21922.513	Indirect
2025-11-17	Common Stock	S	32	$1339.1369	Disposed	21890.513	Indirect
2025-11-17	Common Stock	S	36	$1340.9578	Disposed	21854.513	Indirect
2025-11-17	Common Stock	S	56	$1341.9921	Disposed	21798.513	Indirect
2025-11-17	Common Stock	S	61	$1343.8248	Disposed	21737.513	Indirect
2025-11-17	Common Stock	S	87	$1344.7812	Disposed	21650.513	Indirect
2025-11-17	Common Stock	S	83	$1347.5263	Disposed	21567.513	Indirect
2025-11-17	Common Stock	S	20	$1348.072	Disposed	21547.513	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-11-17	Stock Option	$50.92	M	2736	Disposed	2026-11-10	Common Stock (2736)	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 $1,327.4700- $1,327.9200. 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 $1,331.1600- $1,331.4700. 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 $1,333.2950- $1,334.1350. 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.

F5: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,334.3600- $1,335.3500. 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 $1,335.3600- $1,335.7800. 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 $1,338.0300- $1,338.7200. 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 $1,339.0300- $1,339.2300. 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 $1,340.7000- $1,341.3800. 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.

F10: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,341.8500- $1,342.4700. 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.

F11: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,343.3500- $1,344.3400. 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.

F12: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,344.4000- $1,345.3050. 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.

F13: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,346.7750- $1,347.7200. 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.

F14: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,347.9600- $1,348.2800. 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.