According to a recent SEC filing, Facebook CEO Mark Zuckerberg now owns more than 632 millions shares of the social network's stock, giving him a 29.3 percent stake in the company.
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At its initial public offering last May, Facebook's stock traded for about $38. Yet over the course of several months, the stock nosedived, eventually falling to less than half its IPO price before it clawed back above $28.
The swoon prompted many investors-including Peter Thiel, Dustin Moskovitz and investor and board member Jim Breyer-to sell off large stakes in the company during the last few months, stirring some controversy about the company's long-term prospects.
(Read More: Facebook Director's Share Sale Creates Unease )
Zuckerberg himself sold $1.1 billion worth of stock at the time of the IPO to pay a hefty tax bill. He then pledged not to sell any additional stock for at least a year after the offering.
Facebook's stock traded at about $28.37 midday Thursday.
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- Judge Throws Out Key Suit on Botched Facebook IPO
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