In investing there are a few models I apply when skimming a company, none is sufficient to red flag a company but each is a signal that means that area needs t

In investing there are a few models I apply when skimming a company, none is sufficient to red flag a company but each is a signal that means that area needs to be dug into and understood at a deep level - skin in the game, do the employee's including C level execs hold less than x% of the company 1 year after it goes public or did they sell out as soon as possible? - no oversight by boardroom, are the boardroom members on more than 1 other companies board? - literally having to pay through the nose to get people to come into work, ie the twitter rule, Does your EBITA look materially different when you remove stock based compensation