It doesn't really mean much that no insider has traded IP Group shares in the last quarter. However, our analysis of transactions over the last year is heartening. While we have no worries about the insider transactions, we'd be more comfortable if they owned more IP Group stock. While we like knowing what's going on with the insider's ownership and transactions, we make sure to also consider what risks are facing a stock before making any investment decision. At Simply Wall St, we found 1 warning sign for IP Group that deserve your attention before buying any shares.