Live feed17:45:14·507dINSIDERFilingvia QuantisnowHead of External Reporting Cianciulli Michael R. covered exercise/tax liability with 8 shares, decreasing direct ownership by 1% to 682 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MKTX· MarketAxess Holdings Inc.FinanceOriginal source