Michael S Brown sold $1.7M of REGN stock

Michael S Brown, Dir of Regeneron Pharmaceuticals, Inc. (REGN), sold 1,929 shares of REGN stock worth $1.7M, per an SEC Form 4 filed Nov 3, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Oct 30, 2026, 4 days before it was made public.

REGN has moved -2.5% since the trade date, from $927.89 to $904.35 (Nov 6, 2026 close).