REBNY chair’s progeny nabs major discount at 4 East 72nd Street

Mary Ann Tighe and 4 East 72nd Street (building photo credit: CityRealty)Aaron Tighe, the son of CB RIchard Ellis CEO and Real Estate Board of New York Chair Mary Ann Tighe, has just nabbed a four-bedroom, four-and-a-half-bathroom apartment at the tony 4 East 72nd Street for $5.83 million, according to the New York Observer. Aaron, a managing director at Credit Suisse, landed the co-op at a steep discount — the apartment was first listed in May 2009 by Sotheby’s International Realty brokers Meredith Smyth and Serena Boardman for $7.75 million. The apartment, sold by John Bartlett Coleman, best known for his development of the Ritz-Carlton hotel on Central Park South, was later listed by Key-Ventures broker A. Laurance Kaiser. The duplex unit includes a fireplace and staff room, according to its listing page on Streeteasy.com. Aaron declined to comment, while Kaiser was not reached. [NYO]