ENTA’s CSO exercised and held shares worth $430K. The exercised options were not due to expire until 2016. This exercise-and-hold transaction occurred despite the fact that the CSO has a 10b5-1 plan.
After he spent $13k for the 11K shares he has now turned around and sold 5000 shares for $200K. Not a bad deal. A director did make a 1K market purchase but again I read nothing positive or negative about these trades.