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SENIOR EVP, PRODUCTION CENTER Zhou Rong covered exercise/tax liability with 1,222 shares and covered exercise/tax liability with 1,967 units of Common Srock, decreasing direct ownership by 2% to 137,497 units (SEC Form 4)

ByQuantisnow·Wall Street's wire, on your screen.
AMPH· Amphastar Pharmaceuticals Inc.
Health Care
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