During 2013, Cook sold more than 79,000 shares and pocketed $36 million before taxes from the three transactions.
But compared with other non-founder CEOs, including those at a pair of Apple rivals, Cook is a pauper.
As of Sept. 13, Microsoft's Steve Ballmer owned nearly 4% of all outstanding shares of the Redmond, Wash. company. At Friday's price, Ballmer's holdings were worth $12.4 billion. And on April 4, the date of Google's last proxy filing, Eric Schmidt, now the company's chairman but its CEO from 2001 to 2011, owned more than 6.8 million shares, valued Friday at $8.1 billion.
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