TransDigm Group INC — Director's Dealing 2014

Dec 8, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2014-12-08

Reporting Person: Laubenthal Raymond F (President and COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-12-08	Common Stock	M	16205	$13.37	Acquired	16205	Direct
2014-12-08	Common Stock	S	7569	$193.6722	Disposed	8636	Direct
2014-12-08	Common Stock	S	4600	$194.8464	Disposed	4036	Direct
2014-12-08	Common Stock	S	4036	$195.7435	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-12-08	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 $193.19 - $194.15. 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 $194.33 - $195.32. 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 $195.38 - $196.17. 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.