February 23, 2026 · Form 4 insider transaction
Durkin Bryan T sold 4,200 shares of CME Group Inc. at $309.65 per share, a transaction worth $1.30M. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 0 days after the transaction.
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.