Live feed20:27:05·364dINSIDERFilingvia QuantisnowDirector Petersen Floyd F. sold $12,041 worth of shares (500 units at $24.08), decreasing direct ownership by 0.68% to 73,409 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMPH· Amphastar Pharmaceuticals Inc.Health CareOriginal source