Live feed16:20:12·177dINSIDERFilingvia QuantisnowDirector Petersen Floyd F. sold $12,633 worth of shares (500 units at $25.27), decreasing direct ownership by 0.66% to 75,531 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMPH· Amphastar Pharmaceuticals Inc.Health CareOriginal source