Arrowhead Pharmaceuticals, Inc. (NASDAQ:ARWR - Get Free Report) Director Hongbo Lu sold 2,970 shares of Arrowhead Pharmaceuticals stock in a transaction dated Tuesday, May 12th. The stock was sold at an average price of $76.88, for a total value of $228,333.60. Following the sale, the director directly owned 52,012 shares of the company's stock, valued at $3,998,682.56. This trade represents a 5.40% decrease in their position. The transaction wa…