There haven't been any insider transactions in the last three months -- that doesn't mean much. However, our analysis of transactions over the last year is heartening. With high insider ownership and encouraging transactions, it seems like Re:NewCell insiders think the business has merit. So while it's helpful to know what insiders are doing in terms of buying or selling, it's also helpful to know the risks that a particular company is facing. Every company has risks, and we've spotted 3 warning signs for Re:NewCell (of which 1 makes us a bit uncomfortable!) you should know about.