Live feed17:50:47·161dINSIDERFilingvia QuantisnowDirector Grassle Jenele C exercised 2,400 shares at a strike of $115.42 and sold $1,010,088 worth of shares (2,400 units at $420.87) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.WINA· Winmark CorporationConsumer DiscretionaryOriginal source