Amphastar Pharmaceuticals, Inc. (AMPH)

SEC filing

Amphastar Pharmaceuticals, Inc.

AMPH · CIK 1297184

4 · Sep 17, 2026 · SENIOR EVP, PRODUCTION CENTER Zhou Rong sold 10K shares at $23.94/share ($239.4K); exercised options for 20K shares

SENIOR EVP, PRODUCTION CENTER Zhou Rong sold 10K shares at $23.94/share ($239.4K); exercised options for 20K shares

xslF345X06/form4-09172026_100939.xml

xslF345X06/form4-09172026_100939.xmlSEC.gov

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