Horizon Therapeutics plc announced that it has signed a long-term, full-building lease with Alexandria Real Estate Equities, Inc. to be the first tenant at the Alexandria Center® at Traville Gateway campus in Rockville, Maryland. When completed, the facility will serve as the company's primary East Coast research and development and technical operations hub. Construction at the 192,000-square-foot site is underway and Horizon expects to start work on interior improvements in 2023.

Additional terms of the agreement were not disclosed. Horizon is being represented in the transaction by CBRE.