InsiderTrades

Form 4 for CME CME Group

Accepted 2026-02-23 00:00:00 ET · period of report 2026-02-23 · accession 0001628280-26-010703 · 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
2026-02-23 2026-02-23 CME Durkin Bryan T Dir S - Sale $309.65 -4,200 43.0K -9% -$1.30M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock Class A 2026-02-23 S D 4,200 $309.65 43,007 D — — (F1) On February 23, 2026, Mr. Durkin sold an aggregate of 4,200 shares of CME Group Class A common stock. For reporting purposes, the sale prices within $1 range have been aggregated and the weighted average has been reported. The price range was $309.25 to $310.07. The Company maintains a record of the transaction and copies will be provided upon request.