Amendment to Barber Lake Facility lease with Fluidstack including design modifications and updated delivery schedule
Company: Cipher Mining - Project: Barber Lake Facility
The claim, verbatim
Company entered into amendment to lease with Fluidstack USA II Inc. relating to development, construction, and lease of HPC data center facility, with tenant-modification change orders to modify design and updated phased delivery schedule
Source (primary)
Cipher Mining 8-K filed 2026-09-25 (SEC EDGAR, sec_filing)
View cached copy (2026-09-26)Live source ↗
Quote: “the Company, through its wholly owned subsidiary Cipher Barber Lake LLC, entered into an amendment (the "Amendment") to its lease (the "Barber Lake Lease") with Fluidstack USA II Inc. ("Fluidstack") relating to the development, construction, and lease of an HPC data center facility (the "Barber Lake Facility"). In connection with the Amendment, the Company and Fluidstack agreed to certain tenant-modification change orders to modify the design of the Barber Lake Facility as well as to an updated phased delivery schedule for the Barber Lake Facility”
How we checked this
Checked on September 28, 2026. The cited source supports every part of this claim.
The filing establishes each element of this claim: the lease amendment with Fluidstack USA II Inc. for the HPC data center, the design change orders, and the updated phased delivery schedule. The quoted passages appear in separate sentences in the source.
Confirmed in the source:
- The Company, through its subsidiary Cipher Barber Lake LLC, entered into an amendment to its lease with Fluidstack USA II Inc.
- The lease relates to the development, construction, and lease of an HPC data center facility (the Barber Lake Facility)
- In connection with the Amendment, the Company and Fluidstack agreed to tenant-modification change orders modifying the facility's design
- In connection with the Amendment, the Company and Fluidstack agreed to an updated phased delivery schedule
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1819989/000181998926000043/cifr-20260924.htm) in full (9,819 characters, retrieved September 26, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Cipher Mining 8-K filed 2026-09-25
Quote: “the Company, through its wholly owned subsidiary Cipher Barber Lake LLC, entered into an amendment (the "Amendment") to its lease (the "Barber Lake Lease") with Fluidstack USA II Inc. ("Fluidstack") relating to the development, construction, and lease of an HPC data center facility (the "Barber Lake Facility"). In connection with the Amendment, the Company and Fluidstack agreed to certain tenant-modification change orders to modify the design of the Barber Lake Facility as well as to an updated phased delivery schedule for the Barber Lake Facility”