Insider trading is a term with a specific meaning, and that is not it; true, but nor is the specific meaning of insider trading what most people think it is. "

Insider trading is a term with a specific meaning, and that is not it; true, but nor is the specific meaning of insider trading what most people think it is. "Trading on inside information" is a term for what many people attempt to do that is illegal. "Insider trading", on the other hand, is when insiders trade, which is totally legal, it's just regulated in certain circumstances when the size of the the trade is large or the person's role is at the executive level, an upcoming trade needs to be announced (made public) in advance as if itself it is information.