• Former Morgan Stanley vice chairman Bruce Fiedorek has "quietly" put his fifth-floor co-op at 998 Fifth Avenue on the market for around $45 million. The 7,000-square-foot apartment, which was renovated by Stephen Sills and James Huniford and is one floor up from Len Blavatnik, is being listed by Kathy Sloane. [NYO]
• The sixth-floor co-op at 960 Park Avenue that belonged to the late Baroness Jacqueline de Gunzburg has gone into contract. It had been on the market most recently for $10.95 million. [Cityfile, Stribling]