...-announcement price run-ups remain significant, suggesting ongoing illegal insider trading practices. Additionally, the research reveals that pre-bid stock price run-ups tend to be lower when bidders have established a larger toehold position in the target and when the firms involved in the deal belong...

... that contrarily to gender, both seniority and frequency help explain market timing performance and that insiders’ trades made over-the-counter (OTC) generally overperform the ones made on the open market (OM). Finally, this study finds a significant crisis-related influence on insiders’ market timing performance...

...Viktoria Dalko; Michael H. Wang Purpose The purpose of this paper is to uncover the essence of insider trading, explain why insider trading law is ineffective and provide implications of the effectiveness of the law. Design/methodology/approach This conceptual paper offers three propositions...

...Huabing (Barbara) Wang Purpose Previous literature suggests various motives and factors affecting insider trading, but little systematic empirical evidence exists on how they affect insider trading decisions jointly. The purpose of this paper is to address this issue. Design/methodology...

...Leonard F.S. Wang; Ya‐Chin Wang Purpose The purpose of this paper is to extend the work of earlier researches relating to insider trading issues in the stock market under a Cournot‐Stackelberg duopoly. Design/methodology/approach This paper models that the competition among the insiders...

... can be contacted at: witte@missouristate.edu © Emerald Group Publishing Limited 2009 Stock options Insider trading United States of America Most research on insider trading has investigated direct purchases and sales of stock (Jaffe, 1974 ; Seyhun, 1986, 1992, 1998 ; Lakonishok...

..., having a superior information set, may better detect the temporary under or overvaluation of stocks. Moreover, when insider trading law is not well enforced, insiders may take advantage of relevant and undisclosed information. In both cases, such transactions would convey an important signal...