The paper explores the consequences of SEC detection of illegal insider trading on subsequent insider trading activities. We hypothesize that individuals with private information update their subjective probabilities of getting caught and are less likely to exploit material, non-public...

This paper examines the relation between voluntary disclosure of financial statement line items accompanying, and insider trading around, quarterly earnings announcements. We find that investors' reaction to positive earnings news is temporarily heightened by financial statement line items...

Since short sellers are considered sophisticated traders and respond to corporate news and public information in a timely manner, corporate earnings announcements containing new information can be used to update the beliefs of short sellers and affect their investment strategies. Abnormal market...

This paper examines the association between insider trading before an earnings announcement and the magnitude of the post-earnings announcement drift (PEAD). Consistent with insiders' private information being incorporated into prices through their trading, we find PEAD is significantly lower...

While it is widely acknowledged that companies face increasing cybersecurity risk stemming from hackers stealing customer information, a relatively unknown cybersecurity risk is from information leakage and subsequent trading by digital insiders – hackers who target corporations to obtain...

Using a sample of NASDAQ firms we investigate informed trading in the limit order book (LOB) prior to earnings announcements. Consistent with recent limit order theory, and in contrast to classic adverse selection models, we show that informed traders supply liquidity. Relative to a sample of...