Amgen Inc. (NASDAQ:AMGN - Get Free Report) SVP Nancy Grygiel sold 1,237 shares of the business's stock in a transaction dated Monday, May 4th. The stock was sold at an average price of $323.73, for a total value of $400,454.01. Following the transaction, the senior vice president owned 7,009 shares of the company's stock, valued at approximately $2,269,023.57. The trade was a 15.00% decrease in their ownership of the stock. The transaction was d…