A regulatory filing from Apple on Wednesday revealed that CEO Tim Cook earned just $10.3 million in 2015, versus about $25 million for Apple’s other executives. Meanwhile, as of September 26, Cook is sitting on unvested Apple stock worth about $310 million, based on today’s trading price of around $100 per share.

That stock is due to vest over a five-year period between next year and 2021, at which point it will likely be worth a heck of a lot more.

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By comparison, Steve Jobs’ Apple shares were worth about $2.3 billion at the time of his death in 2011. Assuming none of those have been sold (his widow Laurene Powell Jobs now likely controls them), they’d be worth about $4.8 billion at today’s value.

Cook is likely worth between $700 million and $800 million, taking into account his unvested Apple stock. The company had a strong year in 2015, largely thanks to demand from China, where sales nearly doubled in the most recent quarter (as compared to the same quarter a year earlier). Apple’s next earnings call is due on January 26.

Wednesday’s regulatory filing also revealed that Apple racked up $233.8 billion in net sales in 2015 (up 28 percent on the previous year), with a $71.2 billion operating income (up 36 percent), and a $9.22 earning per diluted share (up 43 percent), as seen below:

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Tim Cook is going to retire hard.

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Apple designs and markets consumer electronics, computer software, and personal computers. The company's best-known hardware products include the Macintosh line of computers, the iPod, the i... All Apple news »

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Timothy D. Cook is Apple’s CEO. He took over from Steve Jobs on 25 August 2011. In his previous position as COO, Cook was responsible for all of the company’s worldwide sales and operati... All Tim Cook news »

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