Live feed16:03:21·415dINSIDERFilingvia QuantisnowCEO & CHIEF SCIENTIFIC OFFICER Zhang Jack Y. was granted 165,222 shares, increasing direct ownership by 5% to 2,609,382 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMPH· Amphastar Pharmaceuticals Inc.Health CareOriginal source