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...

We examine the information content of insider employee stock option trading and its value to market investors using a US dataset. There should be no presumption that option trading would not convey valuable information and indeed, the exercise of option rights is likely to signal insider...