Marion Mccourt sold $2M of Regeneron Pharmaceuticals, Inc. (REGN) stock

Marion Mccourt, EVP Commercial of Regeneron Pharmaceuticals, Inc. (REGN), sold 2,346 shares of REGN stock worth $2M, per an SEC Form 4 filed Sep 3, 2026.

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

The trade happened on Sep 2, 2026, 1 day before it was made public.

REGN has moved -5.6% since the trade date, from $852.03 to $803.90 (Sep 22, 2026 close).