Insider Purchasing: A Signal for a Fair Process

The dark arts is learning how to reward management teams often when you have MMPI that they can't buy on the open market with, right? But do you just find insider purchases are too noisy or is there something else going on there? I mean, I don't talk about insider buying too much, mostly because it's kind of a well understood signal to the point where it is kind of a soft or weak signal.