Live feed18:55:11·531dINSIDERFilingvia QuantisnowDirector Prins Richard K exercised 2,500 shares at a strike of $16.69, sold $243,986 worth of shares (5,000 units at $48.80) and gifted 1,000 shares, decreasing direct ownership by 10% to 30,471 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMPH· Amphastar Pharmaceuticals Inc.Health CareOriginal source