Disclosure of insider trading are ambiguous pieces of information, as liquidity traders may not assess whether the trades are motivated by significant privileged information related to the true share value. This paper establishes an algorithm, relying on Bayesian inference that represents the...

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...

Theory provides competing predictions on the question of whether informed investors immediately trade on newly generated private information. We address this question using SEC-mandated disclosures to identify the dates when new private information about target or acquiring firm value is...

This paper analyzes stealth trading by corporate insiders in US equity markets. Stealth trading is the practice to break up trades into sequences of smaller trades. We find that stealth trading is pervasive and distinguish two explanations. The first argues that insiders break up trades in order...

Theories of corporate boards assume that board members of a firm generate private information about the quality and performance of its CEO in the process of monitoring and advising him, and may use this information to decide whether or not to fire him. In this paper, I make use of data on...

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...

We examine insider trading profitability and common identity between insiders and top executives. In particular, we argue that common gender and the resultant social connections it creates influence access to private information, where insiders benefit from greater information sharing with top...

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...

How do managers comment on merger transactions? By analyzing initial public announcements of Mergers and Acquisitions (M&As) between 1995-2020 and extracting the linguistic sentiment from statements made by acquirer and target firms, we provide new evidence on the information value of M&A...

By virtue of their positions, corporate executives have access to valuable information about the firms they work for and the industries they work in. They also have an opportunity to profit from said information by trading in their firms' stock in their personal portfolios. Certain trades,...