Live feed16:47:22·7mINSIDERFilingvia QuantisnowDirector Guarini Kathryn exercised 400 shares at a strike of $719.37 and sold $340,000 worth of shares (400 units at $850.00) as part of a pre-agreed trading plan (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.REGN· Regeneron Pharmaceuticals Inc.Health CareOriginal source