The transaction involves the sale of two unfinished floors at 9 West Walton Street, Chicago, totaling $19 million. The asset type is a condo. This sale represents a significant loss of approximately $14.65 million from the seller's 2017 purchase of the properties. The condos were sold as raw space, reflecting the current market situation.

Summary of transaction details:

• Property Type: Condo
• Transaction Amount: $19,000,000
• Seller: Ken Griffin - Citadel
• Buyer's Representative: Katherine Malkin - Compass
• Seller's Representatives: Emily Sachs Wong - Properties; Nancy Tassone - Jameson Sotheby's International Realty

Ken Griffin continues to list other penthouses in an effort to sell additional properties in the Gold Coast area, with this transaction likely marking the highest-priced home sale in the Chicago area for the year 2024.