TransDigm Group INC — Director's Dealing 2018

Feb 12, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2018-02-09

Reporting Person: Feil Alex (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-02-09	Common Stock	M	5444	$27.08	Acquired	5444	Direct
2018-02-09	Common Stock	S	400	$275.1925	Disposed	5044	Direct
2018-02-09	Common Stock	S	200	$276.67	Disposed	4844	Direct
2018-02-09	Common Stock	S	599	$278.2165	Disposed	4245	Direct
2018-02-09	Common Stock	S	964	$279.5214	Disposed	3281	Direct
2018-02-09	Common Stock	S	900	$280.47	Disposed	2381	Direct
2018-02-09	Common Stock	S	330	$281.9661	Disposed	2051	Direct
2018-02-09	Common Stock	S	1054	$283.435	Disposed	997	Direct
2018-02-09	Common Stock	S	997	$284.041	Disposed	0	Direct
2018-02-09	Common Stock	M	3300	$27.08	Acquired	3300	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-02-09	Stock Option	$27.08	M	5444	Disposed	2018-11-17	Common Stock (5444)	Direct
2018-02-09	Stock Option	$27.08	M	3300	Disposed	2018-11-17	Common Stock (3300)	Direct

Footnotes

F1: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $274.83 - $275.69. 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.

F2: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $276.34 - $277.00. 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.

F3: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $277.81 - $278.99. 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 $279.00 - $279.86. 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.

F5: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $280.00 - $280.87. 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.

F6: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $281.41 - $282.36. 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.

F7: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $282.78 - $283.77. 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.

F8: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $283.78 - $284.23. 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.