Live feed21:22:11·19dINSIDERFilingvia QuantisnowDirector Prins Richard K gifted 1,500 shares and was granted 8,143 shares, increasing direct ownership by 21% to 37,598 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMPH· Amphastar Pharmaceuticals Inc.Health CareOriginal source