Jeng, Leslie A.; Metrick, Andrew; Zeckhauser, Richard - Rodney L. White Center for Financial Research, Wharton …
This paper estimates the returns to insiders when they trade their company’s stock. We first construct a rolling "purchase portfolio" that holds all shares purchased by insiders for a six-month period, and an analogous "sale portfolio" that holds all shares sold by insiders for six months. The...