1,500 S19j Antminers ordered for approximately $7.2 million
Company: Riot
What the later record shows
Delivered; the record does not say when
The March 11, 2021 agreement for 1,500 S19j miners is one of Riot's 2021 Bitmain S19j purchase agreements. The 2022 10-K says all miners under those agreements were delivered by December 31, 2022, except 5,130 delivered in January 2023, but it gives no delivery date for this batch.
“Sale and Purchase Agreement by and between Riot Blockchain, Inc. and Bitmain Technologies Limited, dated as of March 11, 2021, for the acquisition of 1,500 S19j Pro (90 TH/s) Miners”
2022-11-22 · Riot 10-K/A filed 2022-11-23 View cached copy (2026-09-13)Live source ↗
“All miners subject to these purchase orders were delivered through December 31, 2022, except for 5,130 miners, which were delivered in January 2023.”
2023-03-01 · Riot 10-K filed 2023-03-02 View cached copy (2026-09-13)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 ordered 1,500 model S19j Antminers from Bitmain for approximately $7.2 million pursuant to purchase agreement dated March 11, 2021, with delivery expected in late October 2021
Source (primary)
Riot 10-K filed 2021-03-31 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “the Company ordered 1,500 model S19j (90 TH /s) Antminers from Bitmain for approximately $7.2 million pursuant to a purchase agreement dated as of March 11, 2021, between the Company and Bitmain... which is expected to occur during late October 2021.”
How we checked this
Checked on October 11, 2026. The cited source supports every part of this claim.
The 10-K describes the March 11, 2021 purchase agreement with Bitmain for 1,500 S19j Antminers at about $7.2 million, with delivery expected in late October 2021.
Confirmed in the source:
- Riot ordered 1,500 model S19j Antminers from Bitmain
- The price was approximately $7.2 million
- The purchase agreement was dated as of March 11, 2021
- Delivery was expected in late October 2021
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1167419/000107997321000221/riot10k1220.htm) in full (422,011 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Riot 10-K filed 2021-03-31
Quote: “the Company ordered 1,500 model S19j (90 TH /s) Antminers from Bitmain for approximately $7.2 million pursuant to a purchase agreement dated as of March 11, 2021, between the Company and Bitmain... which is expected to occur during late October 2021.”
confirms Riot 10-K filed 2023-03-02
Quote: “All miners subject to these purchase orders were delivered through December 31, 2022, except for 5,130 miners, which were delivered in January 2023.”
confirms Riot 10-K/A filed 2022-11-23
Quote: “Sale and Purchase Agreement by and between Riot Blockchain, Inc. and Bitmain Technologies Limited, dated as of March 11, 2021, for the acquisition of 1,500 S19j Pro (90 TH/s) Miners”