♦ Mariska Hargitay has sold her Flatiron penthouse for $8.15 million. The buyers are real estate investors Ewa and Maurice Laboz. [NYO]
♦ Bank of America exec Ciaran O'Kelly, who paid $17 million for a 12,800-square-foot converted warehouse in the West Village this past July, has sold his previous apartment. The co-head of global equities for BoA unloaded the pad at 102 Wooster Street for $5.375 million. [Cityfile]

• Now that he's moving into 15 Central Park West, Bob Costas has unloaded his 61st-floor condo at the Time Warner Center for $8.5 million. [NYO]