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Citation

Chronopoulos DK, McMillan DG, Papadimitriou FI & Tavakoli M (2019) Insider trading and future stock returns in firms with concentrated ownership levels. European Journal of Finance, 25 (2), pp. 139-154. https://doi.org/10.1080/1351847X.2018.1487312

Abstract
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.

Keywords
Insider trading; Stock returns; Economic value; Trading strategies

Journal
European Journal of Finance: Volume 25, Issue 2

• Insider Trading And Future Stock Returns