There haven't been any insider transactions in the last three months -- that doesn't mean much. But insiders have shown more of an appetite for the stock, over the last year. Judging from their transactions, and high insider ownership, Restaurant Brands International insiders feel good about the company's future. In addition to knowing about insider transactions going on, it's beneficial to identify the risks facing Restaurant Brands International. Every company has risks, and we've spotted 2 warning signs for Restaurant Brands International (of which 1 is a bit concerning!) you should know about.