TransDigm Group INC — Director's Dealing 2013

Jul 2, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2013-07-01

Reporting Person: Skulina James (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-07-01	Common Stock	M	299	$13.37	Acquired	20299	Direct
2013-07-01	Common Stock	M	14800	$6.68	Acquired	35099	Direct
2013-07-01	Common Stock	S	2699	$154.7671	Disposed	32400	Direct
2013-07-01	Common Stock	S	3400	$155.9168	Disposed	29000	Direct
2013-07-01	Common Stock	S	7800	$157.0334	Disposed	21200	Direct
2013-07-01	Common Stock	S	1200	$157.66	Disposed	20000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-07-01	Stock Option	$13.37	M	60	Disposed	2013-08-05	Common Stock (60)	Direct
2013-07-01	Stock Option	$13.37	M	239	Disposed	2013-08-05	Common Stock (239)	Direct
2013-07-01	Stock Option	$6.68	M	14800	Disposed	2013-08-05	Common Stock (14800)	Direct

Footnotes

F1: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $154.43 - $155.40. 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 $155.51 - $156.50. 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 $156.52 - $157.50. 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.

F4: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $157.54 - $157.86. 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.