In this paper, we employ a registry of legal insider trading for Dutch listed firms to investigate the information content of trades by corporate insiders. Using a standard event-study methodology, we examine short-term stock price behavior around trades. We find that purchases are followed by...

We investigate patterns of abnormal stock performance around insider trades and option exercises on the Dutch market. Listed firms in the Netherlands have a long tradition of employing many anti-shareholder mechanisms limiting shareholders rights. Our results imply that insider transactions are...

We investigate patterns of abnormal stock performance around insider trades and option exercises on the Dutch market. Listed firms in the Netherlands have a long tradition of employing many anti-shareholder mechanisms limiting shareholders rights. Our results imply that insider transactions are...

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...

We examine insider trading in about 3,700 targets of takeovers announced during 1988-2006 and in a control sample of non-targets, both during an ‘informed' and a control period. Using difference-in-differences regressions of several insider trading measures, we find no evidence that insiders...

This paper examines the pattern and profitability of institutional trades around takeover announcements. We find that the trades of funds as a group, either before or after takeover announcements, are not profitable. However, funds whose main broker is also a target advisor are net buyers of...

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 demonstrate how insider trading analysis may benefit from textual analysis. We analyze reported insider trading behavior and explain the association between corporate as well as 3rd-party news announcements on directors' dealings activity. Previous approaches are extended by adding the...

This paper analyzes the law and economics of insider trading in the context of takeover bids, focusing on the European regulatory framework. We distinguish between trading by the bidder, by the target and by classical insiders and first address the issue of precisely when information about...