The CEO of Alphabet Inc.'s (GOOGL, GOOG) core search unit Google received around $199 million in restricted stock on February 3, according to a company filing with the SEC. Sundar Pichai was awarded 273,328 shares of class C shares, 1/16th of which will vest every quarter. The stock closed at $726.95 on that date.

His total equity stake in Alphabet is now over $600 million. His salary isn't known, because it wasn't reported in the company's annual proxy statement, but the stock-based compensation makes him the highest-paid CEO in the U.S., according to The Guardian. (See also: A Look at Sundar Pichai: Google's New CEO.)

Awarding Pichai restricted stock gives him incentive to stick around until his massive stake is fully vested. The division he heads generates around 90% of Alphabet's revenues and an even greater share of its profits. According to another SEC filing, stock-based compensation "encourages executives to take a long-term view of the business."

Ruth Porat, the company's chief financial officer, was given shares worth $38 million. She also earned a $30 million bonus for defecting from Morgan Stanley last year. Diane Green, the head of Alphabet's cloud computing business, was given shares worth $43 million.

Google's former CEO, who headed the company before it was reorganized as Alphabet last year, controls around $3 billion worth of shares, while Google's founders Larry Page and Sergey Brin each control over $30 billion. (See also: Who Are the Brains Behind Google?)

 

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