Well in real life you or your whale friends are insider trading, if you or anyone else has information that is not known to the general public (not just your whale friends) and you act on that info you are insider trading, that is real life where you seem to think as long as you don't have any more info then other whales then it is ok
I will clarify that a bit more, you have insider information, it doesn't matter if you know more then other whales, you know more then the general public that makes it insider information