TransDigm Group INC — Director's Dealing 2021

Jan 19, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2021-01-15

Reporting Person: Howley W Nicholas (Director, Exec. Chairman of the Board)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-01-15	Common Stock	M	11500	$130.09	Acquired	11500	Indirect
2021-01-15	Common Stock	S	578	$585.4405	Disposed	10922	Indirect
2021-01-15	Common Stock	S	2496	$586.2104	Disposed	8426	Indirect
2021-01-15	Common Stock	S	2686	$587.1101	Disposed	5740	Indirect
2021-01-15	Common Stock	S	1780	$588.3802	Disposed	3960	Indirect
2021-01-15	Common Stock	S	1460	$589.35	Disposed	2500	Indirect
2021-01-15	Common Stock	S	1100	$590.2064	Disposed	1400	Indirect
2021-01-15	Common Stock	S	300	$590.985	Disposed	1100	Indirect
2021-01-15	Common Stock	S	200	$592.755	Disposed	900	Indirect
2021-01-15	Common Stock	S	300	$594.3083	Disposed	600	Indirect
2021-01-15	Common Stock	S	200	$595.475	Disposed	400	Indirect
2021-01-15	Common Stock	S	280	$596.9136	Disposed	120	Indirect
2021-01-15	Common Stock	S	20	$597.575	Disposed	100	Indirect
2021-01-15	Common Stock	S	100	$600.20	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-01-15	Stock Option	$130.09	M	11500	Disposed	2022-11-19	Common Stock (11500)	Indirect

Footnotes

F1: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $584.71 - $585.66. 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 $585.74 - $586.71. 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 $586.74 - $587.56. 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 $587.83 - $588.79. 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 $588.84 - $589.78. 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 $589.88 - $590.69. 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.

F7: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $590.89 - $591.06. 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 $592.19 - $593.29. 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.

F9: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $593.79 - $594.75. 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.

F10: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $595.22 - $595.73. 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.

F11: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $596.47 - $597.41. 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.

F12: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $597.57 - $597.59. 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.