American Superconductor Co. (NASDAQ:AMSC – Get Free Report) CFO John W. Kosiba, Jr. sold 29,000 shares of the firm’s stock in a transaction dated Tuesday, May 21st. The stock was sold at an average price of $14.82, for a total value of $429,780.00. Following the transaction, the chief financial officer now owns 348,136 shares in […]