Form 4/A for CME CME Group

Accepted 2025-03-27 00:00:00 ET · period of report 2025-01-16 · accession 0001156375-25-000088 · 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
A	2025-03-27	2025-01-16	CME	SHEPARD WILLIAM R	Dir	P - Purchase	$227.96	+60.05	2,432	+3%	+$13.7K
AI	2025-03-27	2025-01-16	CME	SHEPARD WILLIAM R	Dir	P - Purchase	$227.96	+1,362	256.8K	+0.5%	+$310.5K

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	2025-01-16	P	A	60.05	$227.96	2,431.89	D	—	—	(F1) The original Form 4 filed on January 17, 2025 is being amended to reflect an update in the number of shares acquired on January 16, 2025 pursuant to a dividend reinvestment plan administered by the reporting person's broker. Subsequent to the purchase and the filing of the original Form 4, an adjustment in the number of shares received by the reporting person was made by the broker. This Form 4/A is being filed to update the number of securities held directly and indirectly following this purchase. Actual amounts of fractional shares owned may vary slightly due to rounding.
2	Common	Common Stock Class A	2025-01-16	P	A	1,362.12	$227.96	256,798.43	I by Trust	—	—	(F1) The original Form 4 filed on January 17, 2025 is being amended to reflect an update in the number of shares acquired on January 16, 2025 pursuant to a dividend reinvestment plan administered by the reporting person's broker. Subsequent to the purchase and the filing of the original Form 4, an adjustment in the number of shares received by the reporting person was made by the broker. This Form 4/A is being filed to update the number of securities held directly and indirectly following this purchase. Actual amounts of fractional shares owned may vary slightly due to rounding.