Live feed16:50:31·57dINSIDERFilingvia QuantisnowDirector Grassle Jenele C sold $1,855,620 worth of shares (3,900 units at $475.80), decreasing direct ownership by 61% to 2,500 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.WINA· Winmark CorporationConsumer DiscretionaryOriginal source