Insider Trading and the Classification of Seasoned Equity Offerings: Evidence from Taiwan

Han-Ching Huang and Hsiu-Hsin Chiu

International Journal of Economics and Finance, 2017, vol. 9, issue 5, 58-70

Abstract: This paper investigates whether insider purchasing or selling before Season equity offerings (SEO) announcement have the impact on the cumulative abnormal returns (CAR) around SEO announcement in Taiwan. We find that there are negative announcement effects around the SEO announcement, which is not consistent with the argument that there are usually positive announcement effects around the SEO announcement in Taiwan. Moreover, long-run abnormal returns following SEOs are negative. Therefore, the motivation of SEO has changed from investment to overvaluation. Although there is net buying prior to SEO announcement, the outside investors still regard SEO announcement as a signal of overvaluation instead of growth potential.

Keywords: seasoned equity offering (SEO); insider trading; cumulative abnormal returns (CAR) (search for similar items in EconPapers)
Date: 2017
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