SEC Filing Summary for CME Group Inc.

This filing details a series of transactions by Timothy Francis McCourt, Sr. MD Global Head of Equity & FX at CME Group Inc. On March 15, 2026, McCourt acquired 5,504 shares of Common Stock Class A as part of a performance share award granted in 2022, with the number of shares determined by the company's total shareholder return relative to the S&P 500 over a three-year period ending December 31, 2025. Concurrently, McCourt disposed of 2,810 shares and 94 shares to cover tax withholding obligations related to the vesting of performance shares and restricted stock, respectively. All transactions were executed at a price of $311.40 per share. Following these transactions, McCourt's post-transaction share ownership in CME Group Inc. stands at 12,108 shares.