Mark Pincus leaving CEO post at Zynga; shares up 2.8%

• Zynga (ZNGA +2.4%) is up 2.8% after hours on news that Mark Pincus is out as CEO.
• The company is appointing boardmember Frank Gibeau, who joined directors last August, as the new chief. Pincus will move to Executive Chairman, and like Gibeau will report to the board.
• Gibeau spent more than two decades at Electronic Arts, most recently as executive VP of EA mobile.