InsiderTrades

Form 4 for CME CME Group

Accepted 2025-09-26 00:00:00 ET · period of report 2025-09-25 · accession 0001628280-25-042985 · 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
2025-09-26 2025-09-25 CME SHEPARD WILLIAM R Dir P - Purchase $265.22 +11.57 2,466 +0.5% +$3,069
I 2025-09-26 2025-09-25 CME SHEPARD WILLIAM R Dir P - Purchase $265.19 +262.47 258.5K +0.1% +$69.6K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock Class A 2025-09-25 P A 11.57 $265.22 2,466.33 D — — (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.
2 Common Common Stock Class A 2025-09-25 P A 262.47 $265.19 258,458.55 I by Trust — — (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.