Live feed07:17:18·1100dSECFilingvia QuantisnowAmphastar Pharmaceuticals Inc. filed SEC Form 8-K: Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation, Other Events, Financial Statements and ExhibitsByQuantisnow·Wall Street's wire, on your screen.AMPH· Amphastar Pharmaceuticals Inc.Health CareOriginal source