What Do Insiders Know? Evidence from Insider Trading Around Share Repurchases and SEOs
46 Pages Posted: 16 Feb 2016 Last revised: 19 Nov 2018
Date Written: November 16, 2018
Abstract
We examine the nature of information contained in insider trades prior to corporate events. Insiders’ net buying increases before open market share repurchase announcements and decreases before SEOs. Higher insider net buying is associated with better post-event operating performance, a reduction in undervaluation, and, for repurchases, lower post-event cost of capital. Insider trading predicts announcement returns and, for repurchases, the long-term drift following events. Overall, our results suggest that insider trades before corporate events contain information about changes both in fundamentals and in investor sentiment. Information about fundamentals is incorporated slowly into prices, while information about mispricing is incorporated faster.
Keywords: Insider Trading, Repurchases, Seasoned Equity Offers, Market Efficiency
JEL Classification: G14, G30, G32, G35
Suggested Citation: Suggested Citation
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