Live feed14:30:36·172dINSIDERFilingvia QuantisnowDirector Shepard William R bought $73,008 worth of Common Stock Class A (262 units at $278.37), increasing direct ownership by 0.45% to 2,477 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.CME· CME Group Inc.FinanceOriginal source