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Amphastar Pharmaceuticals Inc. logo

CEO & CHIEF SCIENTIFIC OFFICER Zhang Jack Y. exercised 200,000 shares at a strike of $13.03, increasing direct ownership by 8% to 2,847,659 units (SEC Form 4)

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