Business Commons^™

Insider Trading Enforcement And The Private Information Environment: Evidence From The Newman Ruling, Andrew T. Pierce

Graduate Theses and Dissertations

I exploit a shock to U.S. insider trading law to investigate whether a reduction in the enforceability of tipper-tippee insider trading restrictions leads to changes in information parity among investors and the efficiency of price discovery. The December 2014 Federal Second Circuit Court of Appeals ruling in US v. Newman constrained enforcement by restricting the types of exchanges between managers and investors that trigger tipper-tippee insider trading liability. Following Newman, I find that Second Circuit hedge funds experienced a significant increase in their stock picking ability of Second Circuit stocks in terms of preempting future earnings announcement returns and future …

Monitoring From Afar: Do Foreign Institutional Investors Deter Insider Trading?, Claire Yurong Hong, Frank Weikai Li, Qifei Zhu

Research Collection Lee Kong Chian School Of Business

This paper examines the disciplinary effect of foreign institutional investors on opportunistic insider trading. Using a novel global insider trading data set containing 35,557 firms from 26 countries over the period 2000-2015, we find that greater foreign institutional ownership significantly reduces the profitability of insider trading, above and beyond the effect of domestic institutional ownership. Using the exogenous variation in foreign institutional ownership induced by MSCI index inclusion, we show that the effect is causal. The impact of foreign investors is stronger in countries with weak insider trading regulations and poor institutional environments, and operates mainly through the monitoring channel, …

Monitoring From Afar: Do Foreign Institutional Investors Deter Insider Trading?, Claire Yurong Hong, Frank Weikai Li, Qifei Zhu

Research Collection Lee Kong Chian School Of Business

This paper examines the disciplinary effect of foreign institutional investors on opportunistic insider trading. Using a novel global insider trading data set containing 35,557 firms from 26 countries over the period 2000-2015, we find that greater foreign institutional ownership significantly reduces the profitability of insider trading, above and beyond the effect of domestic institutional ownership. Using the exogenous variation in foreign institutional ownership induced by MSCI index inclusion, we show that the effect is causal. The impact of foreign investors is stronger in countries with weak insider trading regulations and poor institutional environments, and operates mainly through the monitoring channel, …

Insider Trading Around New Drug Approvals, Todd A. Finkle, Laurence Blose, Reinhold Lamb

Todd A Finkle