Amphastar Pharmaceuticals, Inc. (AMPH)

SEC filing

Amphastar Pharmaceuticals, Inc.

AMPH · CIK 1297184

4 · Dec 18, 2025 · Zhou Rong sold 9,787 shares at $26.20/share ($256.4K); exercised options for 9,787 shares

Zhou Rong sold 9,787 shares at $26.20/share ($256.4K); exercised options for 9,787 shares

xslF345X05/form4-12182025_101219.xml

xslF345X05/form4-12182025_101219.xmlSEC.gov

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