Form 4 for CME CME Group

Accepted 2026-06-29 16:28:58 ET · period of report 2026-06-25 · accession 0001212852-26-000003 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
M	2026-06-29 16:28	2026-06-25	CME	SHEPARD WILLIAM R	Dir	A - Grant	$225.00	+1,067	3,606	+42%	+$240.1K
	2026-06-29 16:28	2026-06-25	CME	SHEPARD WILLIAM R	Dir	P - Purchase	$230.57	+14.32	3,621	+0.4%	+$3,301
I	2026-06-29 16:28	2026-06-25	CME	SHEPARD WILLIAM R	Dir	P - Purchase	$230.57	+324.78	260.4K	+0.1%	+$74.9K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock Class A	2026-06-25	A	A	645	$225.00	3,184.45	D	—	—	(F1) Represents a grant of fully vested shares of Class A Common Stock issued to the Reporting Person as part of the Issuer's annual equity compensation program for non-employee directors under the CME Group Director Stock Plan. These shares are not subject to any vesting conditions.
2	Common	Common Stock Class A	2026-06-25	A	A	422	$225.00	3,606.45	D	—	—	(F2) At the Reporting Person's election, shares issued in lieu of all or a portion of the annual cash retainer for serving as a member of the Board of Directors. The number of shares was determined by dividing the cash retainer by the closing price on the date of grant.
3	Common	Common Stock Class A	2026-06-25	P	A	14.32	$230.57	3,620.77	D	—	—	(F3) Represents shares acquired pursuant to a broker-administered dividend reinvestment plan.
4	Common	Common Stock Class A	2026-06-25	P	A	324.78	$230.57	260,442.32	I by Trust	—	—	(F3) Represents shares acquired pursuant to a broker-administered dividend reinvestment plan.