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Filing Details

Accession Number:: 0000919574-25-001879
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2025-03-10 21:40:28
Reporting Period:: 2025-03-06

Filing Date:: 2025-03-10
Accepted Time:: 2025-03-10 21:40:28
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1260221	Transdigm Group Inc	TDG	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1234544	J Robert Small	C/O Berkshire Partners Llc 200 Clarendon Street, 35Th Floor Boston MA 02116		Yes	No	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2025-03-10	611	$1,335.62	96,273	No	4	S	Indirect	By Stockbridge Partners LLC
Common Stock	Disposition	2025-03-10	7,389	$1,335.62	504,012	No	4	S	Indirect	By Stockbridge Fund, L.P.
Common Stock	Disposition	2025-03-10	191	$1,336.47	96,082	No	4	S	Indirect	By Stockbridge Partners LLC
Common Stock	Disposition	2025-03-10	2,309	$1,336.47	501,703	No	4	S	Indirect	By Stockbridge Fund, L.P.
Common Stock	Disposition	2025-03-10	229	$1,342.95	95,853	No	4	S	Indirect	By Stockbridge Partners LLC
Common Stock	Disposition	2025-03-10	2,771	$1,342.95	498,932	No	4	S	Indirect	By Stockbridge Fund, L.P.
Common Stock	Disposition	2025-03-10	153	$1,343.89	95,700	No	4	S	Indirect	By Stockbridge Partners LLC
Common Stock	Disposition	2025-03-10	1,847	$1,343.89	497,085	No	4	S	Indirect	By Stockbridge Fund, L.P.
Common Stock	Disposition	2025-03-10	191	$1,345.11	95,509	No	4	S	Indirect	By Stockbridge Partners LLC
Common Stock	Disposition	2025-03-10	2,309	$1,345.11	494,776	No	4	S	Indirect	By Stockbridge Fund, L.P.
Common Stock	Disposition	2025-03-10	153	$1,349.21	95,356	No	4	S	Indirect	By Stockbridge Partners LLC
Common Stock	Disposition	2025-03-10	1,847	$1,349.21	492,929	No	4	S	Indirect	By Stockbridge Fund, L.P.

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	By Stockbridge Partners LLC
No	4	S	Indirect	By Stockbridge Fund, L.P.
No	4	S	Indirect	By Stockbridge Partners LLC
No	4	S	Indirect	By Stockbridge Fund, L.P.
No	4	S	Indirect	By Stockbridge Partners LLC
No	4	S	Indirect	By Stockbridge Fund, L.P.
No	4	S	Indirect	By Stockbridge Partners LLC
No	4	S	Indirect	By Stockbridge Fund, L.P.
No	4	S	Indirect	By Stockbridge Partners LLC
No	4	S	Indirect	By Stockbridge Fund, L.P.
No	4	S	Indirect	By Stockbridge Partners LLC
No	4	S	Indirect	By Stockbridge Fund, L.P.

Footnotes

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.
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.
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.
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.
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.
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.
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.
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.