3 ms·They have insiders knowledge and they are trading on that. It is legal insider trading.by ipaddr 5y agoThey have insiders knowledge and they are trading on that. It is legal insider trading.danuker 5y agoWhy is it legal?ceejayoz 5y agoIt isn't since 2012. https://en.wikipedia.org/wiki/STOCK_Act https://en.wikipedia.org/wiki/STOCK_Act Proving you've done it can be hard, though.