TransDigm Group INC — Director's Dealing 2014

Oct 9, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2014-10-08

Reporting Person: Laubenthal Raymond F (President and COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-10-08	Common Stock	M	16205	$13.37	Acquired	76205	Direct
2014-10-08	Common Stock	S	5800	$181.6729	Disposed	70405	Direct
2014-10-08	Common Stock	S	4300	$182.3676	Disposed	66105	Direct
2014-10-08	Common Stock	S	6105	$183.6271	Disposed	60000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-10-08	Stock Option	$13.37	M	16205	Disposed	2015-10-01	Common Stock (16205)	Direct

Footnotes

F1: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $181.04 - $182.00. 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 $182.05 - $183.01. 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 $183.05 - $184.04. 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.