Live feed19:14:37·67dINSIDERFilingvia QuantisnowDirector Rossi Dino A sold $4,953,694 worth of shares (18,950 units at $261.41) and exercised 18,950 shares at a strike of $8.79 (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.KRYS· Krystal Biotech Inc.Health CareOriginal source