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
2025-03-10	Common Stock	S	611	$1335.6150	Disposed	96273	Indirect
2025-03-10	Common Stock	S	7389	$1335.6150	Disposed	504012	Indirect
2025-03-10	Common Stock	S	191	$1336.4694	Disposed	96082	Indirect
2025-03-10	Common Stock	S	2309	$1336.4694	Disposed	501703	Indirect
2025-03-10	Common Stock	S	229	$1342.9500	Disposed	95853	Indirect
2025-03-10	Common Stock	S	2771	$1342.9500	Disposed	498932	Indirect
2025-03-10	Common Stock	S	153	$1343.8900	Disposed	95700	Indirect
2025-03-10	Common Stock	S	1847	$1343.8900	Disposed	497085	Indirect
2025-03-10	Common Stock	S	191	$1345.1132	Disposed	95509	Indirect
2025-03-10	Common Stock	S	2309	$1345.1132	Disposed	494776	Indirect
2025-03-10	Common Stock	S	153	$1349.2100	Disposed	95356	Indirect
2025-03-10	Common Stock	S	1847	$1349.2100	Disposed	492929	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: 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: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $1335.4045 to $1336.4044. 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.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $1336.4045 to $1337.4044. 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 $1342.4045 to $1343.4044. 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 $1343.4045 to $1344.4044. 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 $1344.4045 to $1345.4044. 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 $1348.4045 to $1349.21. 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.