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• Lily Safra is making a move at 820 Fifth Avenue. The billionaire widow of Edmond Safra and longtime resident of the tony co-op building has sold her 12th-floor apartment for $40 million to Ken Griffin, the CEO of Chicago-based Citadel Investment Group. She won't be moving far. Property records indicate Safra paid $33 million to buy developer Ara Hovnanian's apartment on the 4th-floor, so she'll only be moving downstairs. [Real Deal]
• Stephen Rotella, the former president and chief operating officer of Washington Mutual, may be preparing to move back east. Earlier this year, Rotella sold his mansion in Seattle for $4.7 million; now he's paid a similar amount for an apartment in New York. Rotella and his wife, Esther, put down $4.1 million for a two-bedroom co-op at 101 Central Park West. The 2,200-square-foot apartment was first listed last year for $5.95 million. [Cityfile]
• Josh Grotstein, the CEO of the video sharing site Motionbox and a co-founder of the venture capital firm SAS Investors, is moving. He and his wife Leslie sold their apartment at 300 East 77th Street for $2.75 million. [Cityfile]