Live feed20:17:50·42dINSIDERFilingvia QuantisnowEVP CORP ADMIN CENTER Liawatidewi Yakob covered exercise/tax liability with 1,033 shares, decreasing direct ownership by 0.84% to 121,892 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMPH· Amphastar Pharmaceuticals Inc.Health CareOriginal source