Maybe, but "pre-arranged legally" == "Rue 10b5-1 trading plan". So if it was pre-arranged but was not following the rules, it doesn't matter that it was pre-ar

Maybe, but "pre-arranged legally" == "Rue 10b5-1 trading plan". So if it was pre-arranged but was not following the rules, it doesn't matter that it was pre-arranged, it's still counts as illegal insider trading as-if not pre-arranged. Reasons being super obvious, since it would be easy to do insider trading in a stealthy way otherwise.