Sundar Pichai, the CEO of Alphabet Inc.'s (GOOG, GOOGL) core subsidiary Google, made $100.5 million in 2015, according to a Tuesday filing with the SEC. Pichai did not become Google's CEO until the beginning of October, when Google completed its restructuring as Alphabet. Prior to assuming his current role, he was Google's product chief. 

Stock awards account for $99.8 million of Pichai's 2015 compensation, with the remainder coming from a $652,500 salary and just under $23,000 in "other compensation." Pichai was Alphabet's most lavishly compensated executive in 2015, but that is in part due to Alphabet's practice of granting stock awards every two years, with vesting periods of four years. In 2014, former Senior VP and Chief Business Officer Omid Kordestani made $129.9 million and Executive Chairman Eric Schmidt made $108,690,772. (See also: Facebook's Instant Articles Pose a Threat to Google.)

The company appears to be bending its every-other-year rule in Pichai's case. After receiving nearly $100 million in stock in January 2015 "in recognition of his performance and increased responsibilities as the leader of all Google's technical product areas," he received a $209.0 million "biennial equity award" in January 2016, to vest over four years. 

What about Alphabet's founders, President Sergey Brin and CEO Larry Page? They each took $1 in total compensation in 2015, but they'll be alright. Brin is number 13 on Forbes' billionaires list, with an estimated net worth of $37.1 billion as of Thursday. Page is ranked one slot above his co-founder, with a net worth of $38 billion. 

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