Amphastar Pharmaceuticals, Inc. (AMPH)

NASDAQ: AMPH · Real-Time Price · USD

18.41

+0.25 (1.38%)

At close: May 22, 2026, 4:00 PM EDT

18.05

-0.36 (-1.96%)

After-hours: May 22, 2026, 7:22 PM EDT

Amphastar Pharmaceuticals Filings