Cme

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-25 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: CME GROUP INC. (CME) CIK: 0001156375 --- Reporting Owner --- Name: Cook Elizabeth A CIK: 0001643475 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Class A Date: 2026-06-25 | Code: A (Grant or award) Shares: +645 | Price: $225.00 Total Value: $145,125.00 Shares Owned After: 18,416 | Ownership: I (Indirect) | Nature: by Trust Footnotes: [F1] Represents a grant of fully vested shares of Class A Common Stock issued to the Reporting Person as part of the Issuer's annual equity compensation program for non-employee directors under the CME Group Director Stock Plan. These shares are not subject to any vesting conditions. --- Holdings --- [Holding #1] Security: Common Stock Class A Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: Represents a grant of fully vested shares of Class A Common Stock issued to the Reporting Person as part of the Issuer's annual equity compensation program for non-employee directors under the CME Group Director Stock Plan. These shares are not subject to any vesting conditions. --- Signature --- /s/ /s/ Elizabeth Hensen, as Attorney-in-Fact for Elizabeth A. Cook (2026-06-29)