Live feed19:13:17·409dINSIDERFilingvia QuantisnowCEO & CHIEF SCIENTIFIC OFFICER Zhang Jack Y. exercised 501,690 shares at a strike of $14.69 and covered exercise/tax liability with 426,195 shares, increasing direct ownership by 1% to 2,647,659 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMPH· Amphastar Pharmaceuticals Inc.Health CareOriginal source
