CME Group(CME) - 2019 Q4 - Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 _________________________________________________________ FORM 10-K _________________________________________________________ (Mark One) Documents Form 10-K Reference Portions of the CME Group Inc.'s Proxy Statement for the 2020 Annual Meeting of Shareholders Part III ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTI ...