Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
629.68
-68.57 (-9.82%)
At close: May 18, 2026, 4:00 PM EDT
630.20
+0.52 (0.08%)
After-hours: May 18, 2026, 7:59 PM EDT
Source: Business metrics provided by TipRanks and sourced from official company press releases and documents.