TransDigm Group INC — Director's Dealing 2014

Apr 9, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2014-04-08

Reporting Person: Laubenthal Raymond F (President and COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-04-08	Common Stock	M	16205	$13.37	Acquired	36205	Direct
2014-04-08	Common Stock	S	10400	$175.3762	Disposed	25805	Direct
2014-04-08	Common Stock	S	4405	$176.1894	Disposed	21400	Direct
2014-04-08	Common Stock	S	1400	$177.6394	Disposed	20000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-04-08	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 $175.00 - $175.835. 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 $176.00 - $176.96. 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 $177.06 - $177.69. 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.