We find that insiders tend to “put their money where their mouth is.” They buy more before repurchases and sell more before SEOs. In particular, there is a sizable increase in insiders’ net buying in the months before a repurchase announcement, equal to 13% of the standard deviation of a measure of net insider trading. There is a similarly large decrease in insiders’ net buying in the months before an SEO announcement, equal to 40% of the standard deviation of the same measure of net insider trading.
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