Why Regeneron Pharmaceuticals, Inc. (REGN) stock rose 13.3% on Friday, October 30, 2026

Regeneron Pharmaceuticals, Inc. (REGN) closed at $927.89, up 13.33% on Friday, October 30, 2026, on volume of 2,847,978 shares (4.0× its 3-month average); market value about $95.50B.

What happened: primary sources

Events Nexqual found for REGN on Friday, October 30, 2026 or the trading day before (October 29, 2026):

• Oct 30, 2026: Reported quarterly results (SEC 8-K) for the quarter ended Sep 30, 2026: EPS $20.07 vs consensus $16.25 (beat), on the analysts' basis (usually adjusted, not GAAP). source
• Oct 30, 2026: SEC 10-Q: Quarterly report, period ended Sep 30, 2026 source

These are listed as context. A filing or rating change on the same day is not proof that it caused the move; read the source.

More on REGN

REGN stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. Other big moves that day: October 30, 2026.

Sources: SEC EDGAR, Nexqual Earnings Flash, analyst rating changes, Nexqual market data. Built November 4, 2026 at 11:39 UTC. Not investment advice.

Data source: Nexqual. Last updated: November 4, 2026 at 11:39 UTC. This page is informational and not investment advice.

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