Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH – Get Rating) EVP Rong Zhou sold 5,000 shares of the company’s stock in a transaction on Thursday, June 15th. The shares were sold at an average price of $51.79, for a total value of $258,950.00. Following the sale, the executive vice president now owns 96,888 shares of the company’s stock, […]