 CASI Pharmaceuticals Inc NASDAQ:CASI CEO Wei-Wu He purchased 2,952,426 shares of the companys stock in a transaction dated Wednesday, July 22nd. The shares were purchased at an average cost of 1.90 per share, for a total transaction of 5,609,609.40. Following the transaction, the chief executive officer now directly owns 4,836,523 shares in the company, valued ... 