• Thomas Renyi, who retired as chairman and CEO of the Bank of New York last year, has picked up an apartment at 920 Fifth Avenue. And he got a good deal, too. Renyi and his wife, Elizabeth, paid $7.55 million for the three-bedroom apartment, which is $2.55 million less than what it was first listed for in April 2008. [Cityfile]
• Software mogul Marty Sprinzen has found a buyer for his 4,552-square-foot apartment at 838 Fifth Avenue. The ninth-floor residence, which Sprinzen bought for $15.8 million in 2007 and put on the market for $24.5 million in May, went into contract to sell late last week. [NYO, BHS]
• The Hampshire House apartment once owned by the late Wall Street titan Zalman Bernstein is back on the market at a hefty discount. The 25th-floor residence, which became the subject of a lawsuit between Bernstein's daughter and the co-op's board in 2007, first went on the market for $17.5 million that same year. Now, after two years and four price chops, the apartment is once again for sale and is now priced at $11.5 million. [Cityfile, BHS]

♦ Democratic fundraisers Carl Spielvogel and Barbaralee Diamonstein-Spielvogel are reportedly in contract to sell their apartment at 720 Park for $37 million, or $17 million more than they paid for the place just two years ago. [NYO]
♦ Jeffrey Walker, the chairman of CCMP Capital Advisors, has purchased a second-floor unit at 15CPW for $3.6 million. It'll go along with the 14th-floor spread they bought late last year for $21 million. [Cityfile]
♦ Former Lehman president and COO Joe Gregory has sold his two-bedroom apartment at 610 Park for $4.4 million, or $50,000 less than the asking price. Now he just has to find a buyer for his Bridgehampton mansion. [NYO]