We investigate patterns of abnormal stock performance around insider trades and option exercises on the Dutch market. Listed firms in the Netherlands have a long tradition of employing many anti-shareholder mechanisms limiting shareholders rights. Our results imply that insider transactions are...

We examine derivatives trading prior to takeover rumors in a sample of 1,638 publicly traded U.S. firms. The volume of options traded is abnormally high over the 5-day pre-rumor period, primarily due to the number of out-of-the-money call options traded. In addition, the direction of option...

This paper examines the association between ineffective internal control over financial reporting and the profitability of insider trading. We predict and find that the profitability of insider trading is significantly greater in firms disclosing material weaknesses in internal control relative...

Through close interactions with their CEO and CFO, independent directors as well as subordinate executives can assess the overconfidence of their CEO and CFO. We show that independent directors and subordinate executives trade on this assessment, albeit differently. Independent directors of a...

Prior research finds that online social media usage may lower self-control and encourage indulgent behavior in laboratory subjects. We find that corporate CEOs show similar tendencies: CEOs with online social media presence are more likely to succumb to lower self-control and abuse their...

We investigate the performance and its link with information asymmetry, corporate governance and legal enforcement of insider transactions in 36 countries covering 10 Asian countries, 20 European countries and 6 countries in the rest. The results show that abnormal returns after insider trading...

We examine corporate insider transactions around Sarbanes-Oxley §403 (SOX) regulatory regimes and subsequent Wall Street Journal (WSJ) media postings — and provide new evidence on the benefit/cost trade-off tension between private information transfer and stock trading costs. SOX increased...

Insider trading has received a great deal of bad press in recent decades. Nearly every article in the popular press that has been written about it views the practice in a negative light. However, the economics and legal literature are mixed on the issue. This article examines the economics and...

We demonstrate how insider trading analysis may benefit from textual analysis. We analyze reported insider trading behavior and explain the association between corporate as well as 3rd-party news announcements on directors' dealings activity. Previous approaches are extended by adding the...

We provide evidence of unreported trading by corporate insiders in their own firm's shares and link this activity to future firm earnings and analyst forecast error. Unreported trading represent discrepancies between insider shareholdings from trades they report to the Exchange and their...