If the founder and CEO sells all his stocks 20+% of "his" public company like some did the other Friday, you definitely can guess his emotion (eg NEWR). Then th

If the founder and CEO sells all his stocks 20+% of "his" public company like some did the other Friday, you definitely can guess his emotion (eg NEWR). Then the other day, when the company stock drops to half the value, you can guess his emotion and different emotions from surprised stock owners.