Regeneron Pharmaceuticals, Inc.

Regeneron Pharmaceuticals, Inc. (REGN) — Form 144: Proposed sale of shares

144REGNFiled Oct 14, 2026, 4:04 PM ET

About this filing

Regeneron Pharmaceuticals, Inc. (REGN) filed Form 144 (proposed sale of shares) with the SEC on Oct 14, 2026. Form 144 is notice that an insider or affiliate plans to sell shares.

View original filing on SEC.gov

Key facts

Key facts aren’t available for this filing right now. The original on SEC.gov has the full filing.

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Not investment advice. Summaries can contain errors; the SEC filing is the official record.