Form 8-K Amphastar Pharmaceutical For: Jul 02
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FDA issues warning letter to Amphastar Pharma subsidiary over manufacturing
July 8, 2026 6:04 AM EDTAmphastar Pharmaceuticals (NASDAQ: AMPH) disclosed that its subsidiary, International Medication Systems, Limited (IMS), received a warning letter from the U.S. Food and Drug Administration on July 2, 2026, related to its drug manufacturing facility in South El Monte, California.
The warning letter follows an FDA inspection of the facility conducted in December 2025,... More

