F4
Form 4
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Issuer · CIK 0001297184
AMPH — Amphastar Pharmaceuticals, Inc.
Recent filings
Mar 10, 2026
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Form 4
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$150.3K
AMPH
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Amphastar Pharmaceuticals, Inc.
Zhang Jack Y. · CEO & CHIEF SCIENTIFIC OFFICER
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AMPH (Amphastar Pharmaceuticals, Inc.) — recent insider filings — Form 4 AI