Live feed18:39:36·331dINSIDERFilingvia QuantisnowDirector Petersen Floyd F. sold $12,835 worth of shares (500 units at $25.67) and was granted 5,122 shares, increasing direct ownership by 6% to 78,031 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMPH· Amphastar Pharmaceuticals Inc.Health CareOriginal source