December 11, 2025 · Form 4 insider transaction
DUFFY TERRENCE A sold 13,089 shares of CME Group Inc. at $269.10 per share, a transaction worth $3.52M. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 4 days after the transaction.
On December 11, 2025, Mr. Duffy sold an aggregate of 25,000 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 $268.66 to $269.66 for 13,809 shares and $269.68 to $270.51 for 11,911 shares. The Company maintains a record of the transaction and copies will be provided upon request.