Live feed17:23:24·134dINSIDERFilingvia QuantisnowSENIOR EVP, PRODUCTION CENTER Zhou Rong exercised 9,787 shares at a strike of $11.33 and sold $256,379 worth of shares (9,787 units at $26.20) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMPH· Amphastar Pharmaceuticals Inc.Health CareOriginal source