Live feed17:53:17·115dINSIDERFilingvia QuantisnowBd. Co-Chair, President & CEO Schleifer Leonard S converted options into 28,570 shares and covered exercise/tax liability with 28,570 shares (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.REGN· Regeneron Pharmaceuticals Inc.Health CareOriginal source