This is a loophole that exists, yes. 10b5-1 plans set up by the company will sometimes have a rule that no changes are allowed for 30 days, which solves the pr

This is a loophole that exists, yes. 10b5-1 plans set up by the company will sometimes have a rule that no changes are allowed for 30 days, which solves the problem. Not sure how widespread this practice is.