December 31, 2025 · Form 4 insider transaction
DUFFY TERRENCE A sold 10,210 shares of CME Group Inc. at $273.08 per share, a transaction worth $2.79M. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 2 days after the transaction.
Mr. Duffy surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on 12/31/2025.