−Removed: Our primary operations are conducted at the leased facilities described below.
−Removed: We lease approximately 94,000 square feet of office space in Novato, California used primarily for corporate, clinical, regulatory, quality, manufacturing administration, and commercial functions.
−Removed: The leases for approximately 74,000 square feet will expire in December 2024 and the lease for approximately 20,000 square feet will expire in November 2028.
−Removed: We also lease approximately 63,000 square feet of office space in Brisbane, California.
−Removed: The rental term for this space will expire in June 2026.
−Removed: We also lease approximately 15,000 square feet of office and laboratory space in Cambridge, Massachusetts.
−Removed: This lease will expire in December 2023.
−Removed: We also lease approximately 48,200 square feet of laboratory and office space in Woburn, Massachusetts.
−Removed: The lease for approximately 17,600 will expire in March 2021 and the lease for approximately 30,600 will expire in October 2026.
+Added: Our primary operations are conducted at the leased facilities summarized in the below table.
+Added: During the fourth quarter of 2020, we completed our purchase of land located in Bedford, Massachusetts and began construction of our gene therapy manufacturing facility.
We believe our facilities are adequate and suitable for our current needs, and that we will be able to obtain new or additional leased space in the future when necessary.
+Added: Property Location
+Added: Lease Expiration Date
+Added: Novato, California
+Added: Headquarters and office
+Added: December 2024
+Added: Novato, California
+Added: Laboratory and office
+Added: November 2028
+Added: Brisbane, California
+Added: South San Francisco, California
+Added: Laboratory and office
+Added: Cambridge, Massachusetts
+Added: Laboratory and office
+Added: December 2023
+Added: Woburn, Massachusetts
+Added: Laboratory and office
+Added: Woburn, Massachusetts
+Added: Laboratory and office
+Added: Bedford, Massachusetts
+Added: Manufacturing facility
+Added: Owned property
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.