Roll (J Financ 43:541–566, <CitationRef CitationID="CR42">1988</CitationRef>) argues that firm-specific stock return volatility may result either from informed trading or from noise trading that is unrelated to information. In this paper we provide evidence that insider purchases are inversely related to the idiosyncratic volatility of...</citationref>

Purpose: The authors examine if opportunistic insider trading profits decrease after the enactment of the Dodd-Frank Act (DFA) in 2010. The DFA expands legal prohibitions on insider trading in the USA. Design/methodology/approach: The authors identify opportunistic insider trades following a...

An examination of insider trading before and after the announcement of Credit Watch placements sheds new light on the study of both bond rating changes and insider trading. This paper utilizes Credit Watch placements classified by 11 indentifiable trigger events for the years 1981‐1990. We...

Purpose -The wealth effect of accelerated stock repurchase (ASR) documented by previous studies is not as large as the authors would have expected. The authors believe that there are potentially important sampling problems in the previous studies, which make the results less reliable....

We examine the information asymmetry hypothesis and the management control hypothesis by examining the relation between insider trading and insider holdings to the choice of payment method in acquisitions. Our results indicate that both insider ownership and insider trading are significantly...

Purpose – The wealth effect of accelerated stock repurchase (ASR) documented by previous studies is not as large as the authors would have expected. The authors believe that there are potentially important sampling problems in the previous studies, which make the results less reliable....