The No. 1 contract was the 5th floor at 1045 Madison Avenue, asking $13,450,000. The condo has 4,196 square feet including 6 bedrooms and 5.5 bathrooms, plus a 366-foot terrace off the back bedrooms. The apartment is in The Benson, a 15-unit, 18-story building designed by architect Peter Pennoyer, and developed by Naftali Group. It has defied pandemic gravity with 3 price increases since it started marketing off of floorplans in September. Amenities include a concierge, roof terrace, fitness center, halfcourt basketball, a children’s playroom, a library with a garden, and a pet spa. The buyers are a family living in Tribeca who came directly to the sales office overseen by Alexa Lambert and Alison Black of Compass. “They came once in the first week in February,” said Lambert. “They are moving uptown to be closer to the schools where they think they want their son to go.”