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DST Global’s Deal With Facebook

For some investors, Facebook shares came with extra restrictions.

Mark Zuckerberg, who extracted voting rights from shareholders to retain control of the social networking company he started, also set the terms for when at least one major investor could sell stock, according to a recent regulatory filing. In a contract agreement dated February 2010, DST Global, the investment firm founded by the Russian billionaire Yuri Milner, agreed to an extended lockup schedule

http://dealbook.nytimes.com/2012/02/09/dst-globals-deal-with-facebook/