• Literary power couple Nick Pileggi and Nora Ephron closed on apartment 2B at 136 East 79th Street this week, paying $2.475 million for the two-bedroom pad one floor below the apartment they currently occupy. [Observer]
  • Sports mogul Ed Snider paid $7.34 million for a two-bedroom apartment on the 36th floor of 15 Central Park West. [Observer]
  • Real estate developer Bill Mack's wife Phyllis has closed on two adjacent units at 550 Park Avenue—the tony co-op that's also home to Chuck Prince, Martin Lipton, and Sonny Mehta—for $24 million. Once combined, the apartments will become a sprawling, 6-bedroom home, with 28 windows and 70 feet of Park Avenue frontage. [Real Deal]