• Sheikh Abdul Aziz al-Thani, a member of Qatar's royal family, appears to be turning bullish on the Manhattan real estate market: He just raised the price of his apartment at Trump Park Avenue by $4 million. The three-bedroom pad, which al-Thani bought for $6.1 million in 2005 and put on the market for $14 million in 2008, was reduced to $10 million in February. It's now priced at $14 million again with broker Carrie Chiang. [Cityfile, Corcoran]
• Developer Alexandre Bosoni and his wife, Maria, have closed on a penthouse at 170 East End Avenue that they went into contract to purchase in 2006. The couple paid $11.6 million for the 4,900-square-foot pad. [Cityfile]
• Valerie Rozen, the daughter of former Goldman Sachs partner Bob Mnuchin, paid $4.8 million for a sixth-floor apartment at 433 East 74th Street. [Cityfile]
• Actress Tuesday Weld has dropped the price of her mansion in Montauk. The 1.2-acre waterfront estate, which went on the market for $9.9 million two years ago, is now priced at $7.75 million. [Newsday, T&C]

• Morgan Stanley exec Guy Metcalfe is finally on his way to unloading his five-bedroom apartment at 15 CPW, which he bought for $9.35 million in October and quickly re-listed for $16.5 million two-weeks later. After cutting the price to $13.75 million and then dropping it again to $12.5 million, he is now in contract to sell the 3,822-square-foot spread. [Cityfile, Corcoran]
• Sheikh Abdul Aziz al-Thani of Qatar has lowered the price of his three-bedroom apartment at Trump Park Avenue, which he bought for $6.1 million in 2005 and listed for $14 million late last year. It's now on the market for $10 million. [Cityfile, Corcoran]
• It turns out Sting won't be listing his Central Park West duplex for $26 million with Claudine and Raphael De Niro after all. Halstead's Mark Friedman will be handling the honors, and the four-bedroom apartment will be offered for a much more modest $19 million. [NYT]

• Michael Waldorf, who works for one of the very few hedge funds that will actually record gains for 2008—he's a senior vice president at John Paulson's Paulson & Co.—has closed on an apartment at Riverhouse (left), the new development in Battery Park City. Waldorf and his wife, Julie, paid $6.175 million for a 28th floor apartment in the building also known as 1 River Terrace. [Cityfile]
• Fashion designer Domenico Vacca has dropped the price of his condo at the Museum Tower. Vacca and his wife paid $6.15 million for the unit in February and first listed the apartment for $9.5 million this summer. It's now been reduced to $8.9 million. [WSJ]
• Sheikh Abdul Aziz al-Thani of Qatar has listed his three-bedroom apartment at Trump Park Avenue for $14 million. Al-Thani paid $6.1 million for the 3,300-square-foot condo in 2005. [WSJ]