Insider trading consists of using non-public information to profit on a trade.

Now since shitcoins are not a regulated security, I don’t know if they fall under insider trading laws. They may, however, fall under fraud and conspiracy to commit fraud laws. If they knowingly defrauded people into paying for what they were conspiring to make a worthless asset, or sold that asset under conditions they knew to be false, I could see them being charged.