SCHLEIFER LEONARD S sold REGN

December 9, 2025 · Form 4 insider transaction

SCHLEIFER LEONARD S sold 155,145 shares of Regeneron Pharmaceuticals, Inc. at $701.51 per share, a transaction worth $108.84M. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 2 days after the transaction.