Adaptive Biotechnologies Corp 10-K

Item 2. Properties Our current corporate headquarters is located in Seattle, Washington, where we lease approximately 65,500 square feet of laboratory and office space. This lease expires October 2032, subject to two options to extend the lease for five years. In 2019, we entered into an additional lease in Seattle, Washington to rent approximately 100,000 square feet, which we plan to occupy in 2021 when construction is complete. The lease expires in August 2033, subject to our option to twice extend the lease for five years. Additionally, we lease approximately 14,750 square feet in a separate Seattle, Washington location, pursuant to a lease expiring in October 2029, subject to our ability to exercise an early termination right in 2022. We also lease approximately 33,300 square feet of laboratory and office space in South San Francisco, California, pursuant to an amended lease that expires March 2026, subject to our option to extend the lease for five years, and approximately 3,100 square feet of office space in New York City, New York, pursuant to a lease that expires November 2025, subject to our ability to exercise an early termination right in 2023. We may add new facilities or expand existing facilities as we add employees and scale our operations, and we believe suitable additional or substitute space will be available as needed.