Well for starters, his wife was forbidden to trade AMZN during the dates in question. When they find an account owned by her spouse, and possibly jointly, doing

Well for starters, his wife was forbidden to trade AMZN during the dates in question. When they find an account owned by her spouse, and possibly jointly, doing such trades it's not hard to figure it out. Also, had he done this once or twice, they might not have found it but 11 quarters in a row is going to get noticed eventually.