• Robert Hytner, who founded the defense contractor Information Manufacturing Corporation before selling the company in 2007, has paid $8.5 million for a three-bedroom apartment at 25 Central Park West. The seller was media exec Adam Klein. [Cityfile]
• Kenneth Martin, who retired as the CFO of the pharma maker Wyeth in 2007, and his wife Christine, paid $2.575 million for a 14th-floor apartment at 455 East 86th Street. [Cityfile]
• Andrew Bares and Alla Kormilitsyna have lowered the price of their five-floor townhouse at 311 West 74th Street, which they purchased from jazz legend George Wein for $4.7 million in 2007. Originally listed in November at $11.995 million, it's now on the market for $9.985 million. [Cityfile, TE]