• Bank of America portfolio manager Raymond Cubero and his wife, Kathleen Comerford, have dropped the price of their Trump Tower duplex. The 3,300-square-foot "smart house," which they put on the market with Paula Del Nunzio for $14.995 million in June, is now listed for $12.995 million. [Cityfile, BHS]
• Real estate heiress Caroline Cumming has gone into contract to sell 11 Spring Street, more than a year after she first put the 12,128-square-foot behemoth on the market for $39.8 million. After undergoing three price cuts, the property had been listed for $26 million as of last week. [Curbed, PDE]
• Three months after it was reported that Peter J. Solomon had gone into contract to buy the East Hampton mansion that belonged to the late actress Mary Howard de Liagre, the investment banker and ex-deputy mayor has closed on the purchase. Solomon paid $19 million for the waterfront estate, or $3.5 million less than its most recent asking price. [EH Star via Curbed]

• A sixth-floor apartment at The Dakota, which is owned by an unidentified "Wall Street executive," has been cut for the third time since hitting the market in June 2008 with a $24 million price tag. The four-bedroom co-op is now listed for a mere $12.5 million. [Cityfile, BHS]
• Investment banker (and onetime deputy mayor) Peter J. Solomon is reportedly the buyer in contract to buy the former East Hampton estate of the late actress Mary Howard de Liagre. Solomon is paying "close to" the $22.5 million asking price for the estate, which includes a 3,500-square-foot home, 300 feet of waterfront, and a dock. [NYP, Sotheby's]
• Investor Enrique Foster Gittes has once again cut the price of his 13,000-square-foot mansion at 12 East 63rd Street. The six-floor townhouse, which Gittes bought for $8.8 million in 2005, put on the market for $28.75 million in April, and reduced to $24.95 million last month, is now on the market with Brown Harris Stevens' Paula Del Nunzio for $23.5 million. [Cityfile, BHS]

• Arlene Farkas, the ex-wife of real estate heir Bruce Farkas, has dropped the price of her 14-room duplex at the River House, which she first put on the market in November for $15 million after a state appeals court turned down her ex-husband's appeal to retain ownership of the apartment. The co-op is now listed for $13.5 million. [Cityfile, BHS]
• The apartment where Josh Hartnett had been living until recently is up for sale (or rent). The 2,200-square-foot pad at 237 Lafayette Street, which is owned by music execs James Dowdall and Rose Noone, is available for $2.1 million. Or you can rent it for $7,995 a month. [NYO, Citi Habitats]

• Lee Neibart, a partner at Apollo Real Estate Advisors, and his wife Joyce, have closed on the sale of their 16th-floor apartment at 15 Central Park West, which they went into contract to sell back in May. The three-bedroom condo sold to a company called J & K Park Properties for $7.5 million, or $500,000 more than what the couple paid for apartment in January. [Cityfile]
• Real estate heiress Melissa Kushner—she's the daughter of Murray Kushner, niece of Charles Kushner, and Jared Kushner's first cousin—has paid $2.225 million for a three-bedroom condo at 534 Hudson Street with her husband, Jeremy Kaplan. [Cityfile]