<p>Rong Zhou, Senior EVP, Production Center at Amphastar Pharmaceuticals Inc., reported a disposal of common shares of the company. The full filing can be accessed through the link below. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Amphastar Pharmaceuticals Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001645326-25-000004), on December 18, 2025, and is solely responsible for the information contained therein. © Copyright 2025 - Public Technologies (PUBT) Original Document: here</p>

AMPH

<p>Rong Zhou, Senior EVP at Amphastar Pharmaceuticals, reported the disposal of common shares of the company. The information was published via EDGAR by Amphastar Pharmaceuticals and is available for public access. This brief was generated by Public Technologies using AI and is not financial advice.</p>

Amphastar Pharmaceuticals Senior EVP Rong Zhou Reports Disposal of Common Shares