As the saying goes, there are many possible reasons for an insider to sell a stock, but only one reason to buy -- they expect to make money. So let's look at one noteworthy recent insider buy.
At Marin Software ( MRIN ), there was insider buying on Friday, by Director Paul R. Auvil III who bought 66,200 shares for a cost of $7.69 each, for a trade totaling $508,883. Marin Software Inc. is trading up about 2.9% on the day Monday. So far Auvil III is in the green, up about 3.0% on their buy based on today's trading high of $7.92.