Live feed17:54:12·115dINSIDERFilingvia QuantisnowDirector Grassle Jenele C exercised 3,900 shares at a strike of $154.50, increasing direct ownership by 156% to 6,400 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.WINA· Winmark CorporationConsumer DiscretionaryOriginal source