Director Redmile Group, Llc sold $573,943 worth of shares (341,633 units at $1.68), bought $668,580 worth of shares (397,964 units at $1.68), disposed of $1,822,692 worth of shares (1,084,936 units at $1.68) and acquired $1,822,692 worth of shares (1,084,936 units at $1.68) (SEC Form 4)