Live feed17:17:42·137dINSIDERFilingvia QuantisnowDirector Petersen Floyd F. sold $107,508 worth of shares (4,163 units at $25.82), decreasing direct ownership by 6% to 71,368 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMPH· Amphastar Pharmaceuticals Inc.Health CareOriginal source