Guidewire Software, Inc. (NYSE:GWRE - Get Free Report) CEO Michael George Rosenbaum sold 1,200 shares of the firm's stock in a transaction dated Tuesday, May 26th. The stock was sold at an average price of $138.51, for a total transaction of $166,212.00. Following the sale, the chief executive officer owned 209,206 shares of the company's stock, valued at $28,977,123.06. This trade represents a 0.57% decrease in their position. The transaction w…