Live feed17:15:04·46dINSIDERFilingvia QuantisnowDirector Ryan David Christopher sold $1,037,814 worth of shares (3,402 units at $305.06), decreasing direct ownership by 76% to 1,092 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMG· Affiliated Managers Group Inc.FinanceOriginal source