TransDigm Group INC — Director's Dealing 2022

May 24, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2022-05-19

Reporting Person: SMALL ROBERT J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-05-19	Common Stock	P	1698	$537.50	Acquired	167386	Indirect
2022-05-19	Common Stock	P	2151	$538.55	Acquired	169537	Indirect
2022-05-19	Common Stock	P	200	$539.67	Acquired	169737	Indirect
2022-05-19	Common Stock	P	751	$540.59	Acquired	170488	Indirect
2022-05-19	Common Stock	P	400	$541.75	Acquired	170888	Indirect
2022-05-19	Common Stock	P	200	$542.42	Acquired	171088	Indirect
2022-05-19	Common Stock	P	2832	$543.66	Acquired	173920	Indirect
2022-05-19	Common Stock	P	4268	$544.64	Acquired	178188	Indirect
2022-05-19	Common Stock	P	200	$546.65	Acquired	178388	Indirect
2022-05-19	Common Stock	P	5011	$547.75	Acquired	183399	Indirect
2022-05-19	Common Stock	P	1133	$548.45	Acquired	184532	Indirect
2022-05-19	Common Stock	P	554	$549.43	Acquired	185086	Indirect

Footnotes

F1: Represents shares held by Stockbridge Partners LLC ("SP") on behalf of a managed account over which it has shared voting and sole dispositive power. This Form 4 has been filed because the Reporting Person is a director of the Issuer and a managing member of SP. As such, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares of the Issuer's common stock held by SP. However, the Reporting Person disclaims beneficial ownership of these shares, except to the extent, if any, of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F2: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $537.105 to $538.1049. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $538.105 to $539.1049. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F4: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $539.105 to $540.1049. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F5: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $540.105 to $541.1049. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F6: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $541.105 to $542.1049. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F7: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $542.105 to $543.1049. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F8: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $543.105 to $544.1049. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F9: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $544.105 to $545.1049. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F10: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $546.105 to $547.1049. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F11: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $547.105 to $548.1049. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F12: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $548.105 to $549.1049. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F13: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $549.105 to $549.5. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.