Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN – Get Free Report) CEO Leonard S. Schleifer sold 9,064 shares of Regeneron Pharmaceuticals stock in a transaction that occurred on Tuesday, June 11th. The stock was sold at an average price of $1,015.43, for a total transaction of $9,203,857.52. Following the transaction, the chief executive officer now owns 55,134 shares […]