TransDigm Group INC — Director's Dealing 2023

May 3, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2023-05-01

Reporting Person: Howley W Nicholas (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-05-01	Common Stock	A	3216	$173.29	Acquired	24763.513	Indirect
2023-05-01	Common Stock	D	1745	$775.2404	Disposed	23018.513	Indirect
2023-05-01	Common Stock	D	1136	$776.5608	Disposed	21882.513	Indirect
2023-05-01	Common Stock	D	335	$777.4428	Disposed	21547.513	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-05-01	Stock Option	$173.29	M	3216	Disposed	2024-11-13	Common Stock (3216)	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 $775.00 - $775.98. 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 $776.05 - $776.97. 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 $777.02 - $777.73. 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.