Form 4 Filing for CME Group Inc. - Insider Transactions

This filing details transactions made by Julie Winkler, Sr MD Chief Commercial Officer of CME Group Inc., on September 15-16, 2026. Winkler acquired 2864 shares of Common Stock Class A at $275.09 per share as a restricted stock grant vesting over four years. Additionally, Winkler disposed of shares totaling 1443 (373+361+320+359) due to tax withholdings related to previous restricted stock grants. The transactions resulted in a post-transaction share count of 31561. The filing also includes a Power of Attorney document authorizing specific individuals to act on Winkler's behalf for SEC filings.