In this paper I examine the relationship between credit rating and insider trading of 301 firms from 2000-2006 for S&P 500 Index firms. I argue that changes to the firm credit rating may increase (decrease) informed trading activities. This investigation is essential since insiders with private...

Material private information transmits through social networks. Using manually collected information on networks of alumni reunion cohorts, we show that hedge fund managers connected to directors of firms engaged in merger deals increase call option holdings on target firms before deal...

Insider-owned firms pursue U.S. cross-listings following periods of extraordinary performance. However, the long-run post-cross-listing abnormal returns become negative only for insider-controlled cross-listings. We find that the Sarbanes-Oxley Act (SOX) has mitigated the market-timing attempts...