Marathon Petroleum Corporation (NYSE:MPC - Get Free Report) SVP Shawn Lyon sold 425 shares of Marathon Petroleum stock in a transaction dated Friday, August 28th. The shares were sold at an average price of $368.51, for a total value of $156,616.75. Following the transaction, the senior vice president owned 12,194 shares of the company's stock, valued at $4,493,610.94. This trade represents a 3.37% decrease in their position. The transaction was…