It doesn't really mean much that no insider has traded Red Rock Resorts shares in the last quarter. It's great to see high levels of insider ownership, but looking back over the last year, we don't gain confidence from the Red Rock Resorts insiders selling. So these insider transactions can help us build a thesis about the stock, but it's also worthwhile knowing the risks facing this company. To that end, you should learn about the 3 warning signs we've spotted with Red Rock Resorts (including 1 which shouldn't be ignored).