William R. Shepard - 30 Dec 2025 Form 4 Insider Report for CME GROUP INC. (CME)

Role: Director
Signature: By: Margaret Austin Wright For: William R. Shepard
Issuer symbol: CME
Transactions as of: 30 Dec 2025
Net transactions value: +$73,008
Form type: 4
Filing time: 02 Jan 2026, 14:30:36 UTC
Previous filing: 26 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
SHEPARD WILLIAM R	Director	20 S WACKER DRIVE, CHICAGO	By: Margaret Austin Wright For: William R. Shepard	02 Jan 2026	0001212852

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CME	Common Stock Class A	Purchase	$3,079	+11	+0.45%	$278.37	2,477	30 Dec 2025	Direct	F1
transaction	CME	Common Stock Class A	Purchase	$69,929	+251	+0.1%	$278.37	258,710	30 Dec 2025	by Trust	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker. Actual amounts of fractional shares owned may vary slightly due to rounding.