secwatch.observer — SEC 8-K summary ====================================== Issuer: Amphastar Pharmaceuticals, Inc. (AMPH) CIK: 0001297184 Form: 8-K Filed at: 2026-07-08T00:03:50+00:00 Accession: 0001297184-26-000041 Event type: regulatory Sentiment: negative Materiality: 0.65 Item codes: 8.01 LLM model: deepseek-v4-flash:cloud@v2 Amphastar subsidiary IMS receives FDA warning letter for CGMP violations at South El Monte facility -------------------------------------------------------------------------------- - Warning letter dated July 2, 2026, follows December 2025 FDA inspection of IMS's South El Monte, CA facility. - Cites violations of current Good Manufacturing Practice (CGMP) regulations for finished pharmaceuticals. - FDA does not direct IMS to cease or restrict products from the facility; no further recall required at this time. - IMS must submit initial response within 15 working days and provide a risk assessment and remediation plan. - Company is evaluating impact; additional regulatory or legal action possible if deficiencies are not resolved. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1297184/000129718426000041/0001297184-26-000041-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1297184/000129718426000041/amph-20260702x8k.htm HTML page: https://secwatch.observer/filing/0001297184-26-000041 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer