The property involved in this transaction is located at 1334 York Avenue in the Lenox Hill market. The asset type is office space, with a total square footage of 500,000. The sale price for this property was set at $510,000, which translates to a price per square foot of $1,020.

Summary of transaction details:

• Property Type: Office
• Transaction Amount: $510,000,000
• Square Footage: 500,000
• Price Per Square Foot: $1,020
• Buyer: Dmitri Koon - Weill Cornell Medicine
• Seller: Steve Wrightson - Sothebys
• Brokers: Doug Middleton & Mary Ann Tighe - CBRE

Key individuals involved in the transaction include Dmitri Koon, representing Weill Cornell Medicine as the buyer, and Steve Wrightson from Sothebys as the seller. The transaction was facilitated by brokers Doug Middleton and Mary Ann Tighe, both from CBRE, who played a crucial role in bringing the buyer and seller together.