Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
748.71
-1.08 (-0.14%)
At close: Dec 18, 2025, 4:00 PM EST
747.79
-0.92 (-0.12%)
After-hours: Dec 18, 2025, 7:53 PM EST
Source: Business metrics provided by Main Street Data and sourced from official company press releases and documents.