This paper offers new evidence on informed trading around merger and acquisition announcements from the UK equity and options market. The analysis suggests that in about 25%-33% of events there is abnormal option trading volume during the month that precedes the announcement. Such evidence is...

Merger and Acquisition (M&A) activities are not well-anticipated corporate events in the equity market. Do institutional investors possess material non-public information before M&A announcements? Using a novel methodology that infers high frequency institutional trading, this paper investigates...

We study how globalization has changed the source and aggressiveness of inside trading around the world and identify its determinants. Using a sample of acquisitions of firms in 52 countries announced between 1991 and 2014, we find systematically higher likelihood of insider trading in target...

This article examines the decades-long decline of investor protections enshrined in the Securities Act of 1933, most notably Section 11, which imposes near strict liability on corporate insiders and certain secondary actors, primarily underwriters. The provision, the most potent in the federal...