Amendment to Bitmain mining equipment supply agreement
Company: Cipher Mining
What the later record shows
Not a promise: a reported event · happened May 16, 2025
The claim describes an amendment that had already been signed on May 16, 2025, and the later 10-Q confirms that amendment.
“On May 16, 2025, the Amendment Agreement was subsequently amended to reduce the total amount due to Bitmain under the Future Sales and Purchase Agreement and Supplemental Agreement from $ 120.2 million to $ 108.2 million”
2025-08-06 · Cipher Mining 10-Q filed 2025-08-07 View cached copy (2026-08-31)Live source ↗
Checked October 10, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.
The claim, verbatim
Company entered into Amendment Agreement with Bitmain on May 16, 2025 providing for delivery of all remaining mining equipment by June 23, 2025 in exchange for early payment with 10% price reduction
Source (primary)
Cipher Mining 424B5 filed 2025-05-20 (SEC EDGAR, sec_filing)
View cached copy (2026-08-31)Live source ↗
Quote: “On May 16, 2025, the Company, through its wholly-owned subsidiaries Cipher Mining Infrastructure LLC ("CMI"), a Delaware limited liability company, and Cipher Black Pearl LLC ("CBP"), a Delaware limited liability company, entered into an Amendment Agreement and Deed of Novation to the Future Sales and Purchase Agreement (the "2025 Amendment") with Bitmain Technologies Delaware Limited ("Bitmain")... The 2025 Amendment provides that all miners remaining to be delivered under the Original Agreement will be delivered by June 23, 2025, in exchange for the Company's early payment of the remaining payments outstanding under the Original Agreement.”
How we checked this
Checked on October 11, 2026. The cited source supports every part of this claim.
The filing describes the May 16, 2025 amendment with Bitmain, the June 23, 2025 delivery deadline, and the early payment with a 10% price reduction.
Confirmed in the source:
- On May 16, 2025, Cipher, through its subsidiaries CMI and CBP, entered into an Amendment Agreement with Bitmain
- The amendment provides for delivery of all remaining miners by June 23, 2025
- The amendment is in exchange for Cipher's early payment of the remaining amounts outstanding
- The early payment includes a 10% reduction in the agreed price paid to the rig manufacturer
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1819989/000119312525123242/d876435d424b5.htm) in full (211,140 characters, retrieved August 31, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Cipher Mining 424B5 filed 2025-05-20
Quote: “On May 16, 2025, the Company, through its wholly-owned subsidiaries Cipher Mining Infrastructure LLC ("CMI"), a Delaware limited liability company, and Cipher Black Pearl LLC ("CBP"), a Delaware limited liability company, entered into an Amendment Agreement and Deed of Novation to the Future Sales and Purchase Agreement (the "2025 Amendment") with Bitmain Technologies Delaware Limited ("Bitmain")... The 2025 Amendment provides that all miners remaining to be delivered under the Original Agreement will be delivered by June 23, 2025, in exchange for the Company's early payment of the remaining payments outstanding under the Original Agreement.”
