Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
598.71
+13.21 (2.26%)
At close: Sep 18, 2025, 4:00 PM EDT
598.69
-0.02 (0.00%)
After-hours: Sep 18, 2025, 7:54 PM EDT
Source: Business metrics provided by Main Street Data and sourced from official company press releases and documents.