Zuck probably outbid him. He walked away from $30m unvested. If they paid him more, he likely would have stayed and the stock wouldn't drop $6b
CEOs leave all the time. Average tenure has dropped over the years suggesting a fierce competition for senior talent
30m unvested at what price? If you think it’s going to 2x, then it’s worth 60m. Maybe zuck paid an unrealistic multiple - 20x, but out side of that still a bearish signal