Barber Lake Data Halls 3-4 rent commencement
Company: Cipher Mining - Project: Barber Lake Facility
The claim, verbatim
Rent commencement for Barber Lake Data Halls 3 and 4 is amended to Q4 2026–Q1 2027.
Source (primary)
cipher-mining 8-K exhibit (d134900dex991.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-10-14)Live source ↗
Quote: “Data Hall 3 Q4 2026 Q4 2026 – Q1 2027 Data Hall 4 Q4 2026 Q4 2026 – Q1 2027”
How we checked this
Checked on October 16, 2026. The cited source supports every part of this claim.
The schedule shows Data Halls 3 and 4 moving from an original Q4 2026 date to an amended Q4 2026–Q1 2027 window.
Confirmed in the source:
- Rent commencement for Barber Lake Data Hall 3 was amended from Q4 2026 to Q4 2026–Q1 2027
- Rent commencement for Barber Lake Data Hall 4 was amended from Q4 2026 to Q4 2026–Q1 2027
What we did: Read our cached copy of SEC EDGAR (8-K Ex) (https://www.sec.gov/Archives/edgar/data/1819989/000119312526419743/d134900dex991.htm) in full (17,922 characters, retrieved October 14, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms cipher-mining 8-K exhibit (d134900dex991.htm)
Quote: “Data Hall 3 Q4 2026 Q4 2026 – Q1 2027 Data Hall 4 Q4 2026 Q4 2026 – Q1 2027”
