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Filing Details

Accession Number:: 0000950170-25-022344
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2025-02-18 16:32:11
Reporting Period:: 2025-02-14

Filing Date:: 2025-02-18
Accepted Time:: 2025-02-18 16:32:11
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 200 Clarendon Street, 35Th Floor Boston MA 02116		No	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
Common Stock	Acquisiton	2025-02-14	3,650	$97.84	19,189	No	4	M	Direct
Common Stock	Disposition	2025-02-14	33	$1,300.05	19,156	No	4	S	Direct
Common Stock	Disposition	2025-02-14	402	$1,302.20	18,754	No	4	S	Direct
Common Stock	Disposition	2025-02-14	300	$1,302.77	18,454	No	4	S	Direct
Common Stock	Disposition	2025-02-14	100	$1,306.61	18,354	No	4	S	Direct
Common Stock	Disposition	2025-02-14	1	$1,308.97	18,353	No	4	S	Direct
Common Stock	Disposition	2025-02-14	80	$1,313.22	18,273	No	4	S	Direct
Common Stock	Disposition	2025-02-14	201	$1,318.26	18,072	No	4	S	Direct
Common Stock	Disposition	2025-02-14	100	$1,322.46	17,972	No	4	S	Direct
Common Stock	Disposition	2025-02-14	200	$1,323.76	17,772	No	4	S	Direct
Common Stock	Disposition	2025-02-14	72	$1,325.00	17,700	No	4	S	Direct
Common Stock	Disposition	2025-02-14	1,503	$1,329.42	16,197	No	4	S	Direct
Common Stock	Disposition	2025-02-14	579	$1,331.06	15,618	No	4	S	Direct
Common Stock	Disposition	2025-02-14	7	$1,335.09	15,611	No	4	S	Direct
Common Stock	Disposition	2025-02-14	72	$1,336.72	15,539	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option	Disposition	2025-02-14	3,650	$0.00	3,650	$97.84

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2016-09-30	2025-11-06	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	567,323	Indirect	By Stockbridge Fund, L.P.
Common Stock	100,962	Indirect	By Stockbridge Partners LLC
Common Stock	60,246	Indirect	By Family Trusts

Footnotes

The exercise price has been adjusted for dividends declared since August 1, 2022.
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,301.71 - $1,302.69. 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.
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,302.71 - $1,302.80. 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.
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,306.4950 - $1,306.7150. 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.
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,317.4150 - $1,318.2750. 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.
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,329.34 - $1,330.00. 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.
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,330.69 - $1,331.23. 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.
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,335.00 - $1,335.21. 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.
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,336.00 - $1,336.84. 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.
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 Stockbridge Partners LLC ("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.
Represents shares held by SP on behalf of a managed account over which it has shared voting and sole dispositive power. 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 of Common Stock beneficially owned by certain family trusts. The Reporting Person's immediate family members are beneficiaries of such family trusts.