You work at the place so you are already invested in them, and are surrounded by others who are also already invested in them. So you and your colleagues alread

You work at the place so you are already invested in them, and are surrounded by others who are also already invested in them. So you and your colleagues already do the bet that the startup is going to be successful, which might skew your judgement on further investment. Sure, you know more about the company than a small investor would, but neither of two cases give you a board seat, which would give you insight into how the company is really doing, and there are no regulated shareholder communications like a public company has.