−Removed: Our principal executive office is located in South San Francisco, California.
−Removed: We entered into the lease for our principal executive office in August 2022, for approximately 55,000 square feet of combined office and laboratory space in South San Franscisco, which will expire in August 2033.
−Removed: In December 2024, we entered into a lease for approximately 22,000 square feet of additional office space in South San Francisco, California.
−Removed: The lease began in January 2025, and the lease term will end in December 2026.
+Added: Our principal executive offices are located in South San Francisco, California.
+Added: We entered into the lease for our principal executive offices in August 2022, for approximately 55,000 square feet of combined office and laboratory space in South San Franscisco, which will expire in August 2033.
+Added: In December 2024, we entered into a lease for approximately 22,000 square feet of additional office space in South San Francisco, California which will end in December 2026.
+Added: Upon the closing of the ACELYRIN Merger, the Company became the successor to ACELYRIN’s rights under ACELYRIN’s lease agreements that included approximately 10,012 square feet of office space in Southern California, which expires in August 2028, and approximately 22,365 square feet of office space in South San Francisco, California, which expires in October 2029.
+Added: Both facilities have been subleased through the end of their lease terms.
We believe our facilities are adequate and suitable for our current needs, and that should it be needed, suitable additional or alternative space will be available to accommodate our operations.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.