Amphastar CFO William J. Peters sells 4,139 shares for $103,475

Amphastar Pharmaceuticals director, CFO, EVP and treasurer William J. Peters sold 4,139 common shares on Sep. 21, 2026. Sale price: $25 per share. * Direct holdings fell to 168,707 shares. 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: 0001263136-26-000014), on September 23, 2026, and is solely responsible for the information contained therein. (C)