Whinstone US, Inc. acquisition completed
Company: Riot
The claim, verbatim
Riot Blockchain completed the acquisition of Whinstone US, Inc. during fiscal year 2021
Source (primary)
Riot NT 10-K filed 2022-03-01 (SEC EDGAR, sec_filing)
View cached copy (2026-09-20)Live source ↗
Quote: “During the fiscal year ended December 31, 2021, the Registrant completed the acquisition of two significant subsidiaries, Whinstone US, Inc. ("Whinstone"), and ESS Metron, LLC ("ESS Metron"), as reported on the Registrant's Current Reports on Form 8-K filed May 26, 2021 and December 1, 2021, respectively.”
How we checked this
Checked on September 24, 2026. The cited source supports every part of this claim.
Riot's late-filing notice states that during fiscal year 2021 it completed the acquisition of Whinstone US, Inc., reported on a Form 8-K filed May 26, 2021.
Confirmed in the source:
- Riot Blockchain completed the acquisition of Whinstone US, Inc.
- The Whinstone acquisition was completed during the fiscal year ended December 31, 2021
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1167419/000107997322000199/riot_nt10k.htm) in full (7,682 characters, retrieved September 20, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Riot NT 10-K filed 2022-03-01
Quote: “During the fiscal year ended December 31, 2021, the Registrant completed the acquisition of two significant subsidiaries, Whinstone US, Inc. ("Whinstone"), and ESS Metron, LLC ("ESS Metron"), as reported on the Registrant's Current Reports on Form 8-K filed May 26, 2021 and December 1, 2021, respectively.”