Antminer S-19j Pro purchase from Bitmain
Company: Riot
The claim, verbatim
Riot entered into a purchase agreement with Bitmain Technologies Limited to acquire 9,000 Antminer S-19j Pro Bitcoin mining computers for approximately $56.25 million (subject to adjustments).
Source (primary)
Riot 8-K filed 2021-11-08 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “entered into a Non-Fixed Price Sales and Purchase Agreement, dated effective as of October 31, 2021, (the "Purchase Agreement") with Bitmain Technologies Limited ("Bitmain") to acquire 9,000 additional Antminer model S-19j Pro (100 Terahash per second ("TH/s") or better) Bitcoin mining computers (the "Miners") with a purchase price of approximately $56.25 million (subject to adjustments, offsets and costs as set forth in the Purchase Agreement)”
How we checked this
Checked on September 22, 2026. The cited source supports every part of this claim.
The document establishes the counterparty, quantity, model, and price with the adjustments caveat.
Confirmed in the source:
- Riot entered into a purchase agreement with Bitmain Technologies Limited
- The agreement was to acquire 9,000 Antminer S-19j Pro Bitcoin mining computers
- The purchase price was approximately $56.25 million subject to adjustments
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1167419/000107997321001103/riot_8k-110821.htm) in full (14,780 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Riot 8-K filed 2021-11-08
Quote: “entered into a Non-Fixed Price Sales and Purchase Agreement, dated effective as of October 31, 2021, (the "Purchase Agreement") with Bitmain Technologies Limited ("Bitmain") to acquire 9,000 additional Antminer model S-19j Pro (100 Terahash per second ("TH/s") or better) Bitcoin mining computers (the "Miners") with a purchase price of approximately $56.25 million (subject to adjustments, offsets and costs as set forth in the Purchase Agreement)”