TransDigm Group INC — Director's Dealing 2020

May 29, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2020-05-28

Reporting Person: Henderson Robert S (Exec.V.P.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-28	Common Stock	M	20000	$130.09	Acquired	45000	Direct
2020-05-28	Common Stock	S	2990	$431.1918	Disposed	42010	Direct
2020-05-28	Common Stock	S	6244	$432.2832	Disposed	35766	Direct
2020-05-28	Common Stock	S	7666	$432.9571	Disposed	28100	Direct
2020-05-28	Common Stock	S	800	$434.215	Disposed	27300	Direct
2020-05-28	Common Stock	S	1900	$435.7533	Disposed	25400	Direct
2020-05-28	Common Stock	S	400	$437.265	Disposed	25000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-05-28	Stock Option	$130.09	M	20000	Disposed	2022-11-19	Common Stock (20000)	Direct

Footnotes

F1: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $430.69 - $431.67. 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 $431.69 - $432.68. 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 $432.69 - $433.55. 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 $433.75 - $434.74. 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 $435.34 - $436.80. 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 $437.07 - $437.49. 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.