The property asset involved in this transaction is an office located at 151 West 26th Street in the Midtown South market. The Swedish Institute extended its lease for an additional 10 years and expanded its space by 17,610 square feet, resulting in a total leased area of 57,678 square feet. The asking rent for this property is set at $53 per square foot.

Summary of transaction details:

• Property Type: Office
• Transaction Amount: Not specified
• Address: 151 West 26th Street
• Market: Midtown South
• Landlord: Max Koeppell - Koeppell Rosen
• Tenant: Swedish Institute
• Broker: Mark Weiss - Cushman & Wakefield
• Lease Term: 10-year extension
• Expansion Size: 17,610 square feet

Max Koeppell represents the landlord, Koeppell Rosen, while Mark Weiss represents the tenant, Swedish Institute, in this lease transaction. This deal highlights the collaboration between the landlord and tenant, facilitated by their respective brokers in the commercial real estate market.