... factors and stock characteristics in the asset pricing literature. Design/methodology/approach – The authors design a metric for measuring insiders’ trade execution quality: the trading alpha. The authors run regression analysis to control for trade difficulty, insider reputations and the corporate...

... performance of US corporate insiders: trading alpha. This metric is clean of the contamination effect from insiders' own trades. The authors apply this metric to examine whether insiders can beat the market when they trade. Findings It is found that corporate insiders achieve positive trading alpha...