Live feed19:02:21·539dINSIDERFilingvia QuantisnowEVP CORP ADMIN CENTER Liawatidewi Yakob sold $271,389 worth of shares (5,214 units at $52.05) and exercised 5,214 shares at a strike of $13.03 (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMPH· Amphastar Pharmaceuticals Inc.Health CareOriginal source