TransDigm Group INC — Director's Dealing 2012

Apr 17, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2012-04-16

Reporting Person: Laubenthal Raymond F (President and COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-04-16	Common Stock	M	4000	$6.68	Acquired	64069	Direct
2012-04-16	Common Stock	S	2000	$115.8665	Disposed	62069	Direct
2012-04-16	Common Stock	S	1900	$116.9732	Disposed	60169	Direct
2012-04-16	Common Stock	S	100	$117.50	Disposed	60069	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-04-16	Stock Option	$6.68	M	4000	Disposed	2013-08-05	Common Stock (4000)	Direct

Footnotes

F1: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $115.29 - $116.25. 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 $116.39 - $117.37 . 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.