 Nantkwest Inc NASDAQ:NK CEO Patrick Soon-Shiong purchased 3,710,000 shares of the firms stock in a transaction that occurred on Monday, June 29th. The shares were bought at an average price of 12.12 per share, for a total transaction of 44,965,200.00. Following the acquisition, the chief executive officer now directly owns 23,750,750 shares in the company, ... 