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Insider trading and future stock returns in firms with concentrated ownership levels

Chronopoulos DK, McMillan DG, Papadimitriou FI & Tavakoli M (2018) Insider trading and future stock returns in firms with concentrated ownership levels. European Journal of Finance.

We investigate the relationship between insider trading and stock returns in firms with concentrated ownership. To this end, we employ data from East Asian countries which span the period 2003:01-2012:05. Consistent with previous literature, we find a significantly negative relation between the selling activity of insiders and stock returns. However, contrary to studies which focus on highly developed markets, we find that the buying activity of insiders is also inversely related to future stock returns. Our analysis shows that top directors with higher ownership levels drive this result, suggesting that the trading activity of insiders is not always associated with profit making motives and can be explained by their level of ownership. Furthermore, we demonstrate that a trading strategy which focuses solely on purchases made by top directors with high ownership levels yields negative returns. The paper has important implications for outside investors who mimic the trading activity of insiders with the aim to realise profits.

Insider trading; Stock returns; Economic value; Trading strategies

Output Status: Forthcoming/Available Online

European Journal of Finance

Author(s)Chronopoulos, Dimitris K; McMillan, David G; Papadimitriou, Fotios I; Tavakoli, Manouchehr
Publication date22/06/2018
Publication date online22/06/2018
Date accepted by journal22/05/2018
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