Live feed17:04:26·211dINSIDERFilingvia QuantisnowDirector Petersen Floyd F. sold $13,602 worth of shares (500 units at $27.20), decreasing direct ownership by 0.65% to 76,031 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMPH· Amphastar Pharmaceuticals Inc.Health CareOriginal source