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Barber Lake Data Halls 3-4 rent commencement

Company: Cipher Mining - Project: Barber Lake Facility

Subject kind
facility timeline
Statement date
2026-10-12
Promised by
2027-03-31
Current status
stated

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:

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”

View cached copy (2026-10-14)Live source ↗