TransDigm Group INC — Director's Dealing 2013

Sep 16, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2013-09-12

Reporting Person: Howley W Nicholas (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-09-12	Common Stock	M	15000	$27.08	Acquired	15000	Indirect
2013-09-12	Common Stock	S	15000	$144.8647	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-09-12	Stock Option	$27.08	M	15000	Disposed	2018-11-17	Common Stock (15000)	Indirect

Footnotes

F1: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $144.65 - $145.09. 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.