TransDigm Group INC — Director's Dealing 2025

Mar 11, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2025-03-06

Reporting Person: SMALL ROBERT J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-06	Common Stock	S	694	$1340.9279	Disposed	100268	Indirect
2025-03-06	Common Stock	S	9306	$1340.9279	Disposed	558017	Indirect
2025-03-06	Common Stock	S	694	$1343.6531	Disposed	99574	Indirect
2025-03-06	Common Stock	S	9306	$1343.6531	Disposed	548711	Indirect
2025-03-06	Common Stock	S	417	$1346.8756	Disposed	99157	Indirect
2025-03-06	Common Stock	S	5583	$1346.8756	Disposed	543128	Indirect
2025-03-06	Common Stock	S	278	$1347.8092	Disposed	98879	Indirect
2025-03-06	Common Stock	S	3722	$1347.8092	Disposed	539406	Indirect
2025-03-06	Common Stock	S	347	$1349.8442	Disposed	98532	Indirect
2025-03-06	Common Stock	S	4653	$1349.8442	Disposed	534753	Indirect
2025-03-06	Common Stock	S	347	$1352.9500	Disposed	98185	Indirect
2025-03-06	Common Stock	S	4653	$1352.9500	Disposed	530100	Indirect
2025-03-07	Common Stock	S	520	$1336.9890	Disposed	97665	Indirect
2025-03-07	Common Stock	S	7480	$1336.9890	Disposed	522620	Indirect
2025-03-07	Common Stock	S	130	$1338.2716	Disposed	97535	Indirect
2025-03-07	Common Stock	S	1870	$1338.2716	Disposed	520750	Indirect
2025-03-07	Common Stock	S	195	$1338.9015	Disposed	97340	Indirect
2025-03-07	Common Stock	S	2805	$1338.9015	Disposed	517945	Indirect
2025-03-07	Common Stock	S	195	$1339.9363	Disposed	97145	Indirect
2025-03-07	Common Stock	S	2805	$1339.9363	Disposed	515140	Indirect
2025-03-07	Common Stock	S	261	$1341.0912	Disposed	96884	Indirect
2025-03-07	Common Stock	S	3739	$1341.0912	Disposed	511401	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	60246	Indirect
Common Stock	15539	Direct

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: Represents shares held by Stockbridge Fund, L.P. ("SF"). Berkshire Partners Holdings LLC ("BPH") is the general partner of BPSP, L.P. ("BPSP"), which is the managing member of SP, the registered investment adviser to SF. Stockbridge Associates LLC ("SA") is the general partner of SF. The Reporting Person is a managing member of each of BPH, BPSP, SP and SA. 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 SF. 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.

F3: Represents shares of Common Stock beneficially owned by certain family trusts. The Reporting Person's immediate family members are beneficiaries of such family trusts.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $1340.5486 to $1341.5485. 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 sold 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 sold in multiple transactions within the range of $1343.5486 to $1344.5485. 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 sold 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 sold in multiple transactions within the range of $1346.5486 to $1347.5485. 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 sold 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 sold in multiple transactions within the range of $1347.5486 to $1348.5485. 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 sold 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 sold in multiple transactions within the range of $1349.5486 to $1350.5485. 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 sold 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 sold in multiple transactions within the range of $1352.5486 to $1352.95. 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 sold 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 sold in multiple transactions within the range of $1336.8046 to $1337.8045. 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 sold 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 sold in multiple transactions within the range of $1337.8046 to $1338.8045. 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 sold 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 sold in multiple transactions within the range of $1338.8046 to $1339.8045. 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 sold 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 sold in multiple transactions within the range of $1339.8046 to $1340.8045. 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 sold at each separate price within the range set forth in this footnote.

F14: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $1340.8046 to $1341.0912. 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 sold at each separate price within the range set forth in this footnote.