It doesn't really mean much that no insider has traded Corcept Therapeutics shares in the last quarter. While we feel good about high insider ownership of Corcept Therapeutics, we can't say the same about the selling of shares. So these insider transactions can help us build a thesis about the stock, but it's also worthwhile knowing the risks facing this company. You'd be interested to know, that we found 1 warning sign for Corcept Therapeutics and we suggest you have a look.