TransDigm Group INC — Director's Dealing 2019

May 20, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2019-05-16

Reporting Person: Staer John (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-05-16	Common Stock	M	1600	$122.25	Acquired	1691	Direct
2019-05-16	Common Stock	M	900	$179.67	Acquired	2591	Direct
2019-05-16	Common Stock	S	2500	$464.6699	Disposed	91	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-05-16	Stock Option	$122.25	M	1600	Disposed	2022-04-20	Common Stock (1600)	Direct
2019-05-16	Stock Option	$179.67	M	900	Disposed	2024-04-24	Common Stock (900)	Direct

Footnotes

F1: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $464.60 - $464.93. 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.