Robert J. Small - 10 Dec 2025 Form 4 Insider Report for TransDigm Group INC (TDG)

Role
Director
Signature
/s/ Rachel L. Quinlan as attorney in fact for Robert Small
Issuer symbol
TDG
Transactions as of
10 Dec 2025
Net transactions value
-$5,751,470
Form type
4
Filing time
11 Dec 2025, 16:13:00 UTC
Previous filing
09 Dec 2025
Next filing
27 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
SMALL ROBERT J Director C/O BERKSHIRE PARTNERS, 200 CLARENDON STREET, 35TH FLOOR, BOSTON /s/ Rachel L. Quinlan as attorney in fact for Robert Small 11 Dec 2025 0001234544

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TDG Common Stock Options Exercise $312,409 +4,700 +84% $66.47 10,325 10 Dec 2025 Direct F1
transaction TDG Common Stock Sale $747,805 -580 -5.6% $1289.32 9,745 10 Dec 2025 Direct F2
transaction TDG Common Stock Sale $5,220,537 -4,046 -42% $1290.30 5,699 10 Dec 2025 Direct F3
transaction TDG Common Stock Sale $95,536 -74 -1.3% $1291.03 5,625 10 Dec 2025 Direct F4
holding TDG Common Stock 366,141 10 Dec 2025 By Stockbridge Fund, L.P.
holding TDG Common Stock 68,139 10 Dec 2025 By Stockbridge Partners LLC
holding TDG Common Stock 60,246 10 Dec 2025 By Family Trusts

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction TDG Stock Option Options Exercise $0 -4,700 -100% $0.000000 0 10 Dec 2025 Common Stock 4,700 $66.47 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The exercise price has been adjusted for dividends declared since August 1, 2022.
F2 Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1288.9000 - $1,289.5600. 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.
F3 Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1290.0300 - $1,290.5200. 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.
F4 Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1291.0300 - $1,291.0400. 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.