Prentiss Properties Trust has signed five deals totaling 72,000 square feet at 123 North Wacker Drive in Chicago's West Loop. The largest involves financial firm Man-Glenwood Inc., which took 44,957 square feet on the top three floors of the 30-story building. Man-Glenwood plans to use the space as headquarters for its Man Investments Products division as it expands into the North American market. Shirley Tomany of Harbor Park Realty represented Man-Glenwood Inc.