The founders of Facebook, Google, and WhatsApp sold billions in stock this year

http://www.businessinsider.com/the-biggest-insider-sellers-of-the-year-2015-12?nr_email_referer=1&utm_content=BISelect&utm_medium=email&utm_source=Sailthru&utm_campaign=BI%20Select%20PST%20Control%202015-12-21&utm_term=BI%20Select%20PST%20Control%20Group%20%28Smart%20List%29%20-%20USE%20THIS