Independent Accounting Firm Engagement
Company: Riot
What the later record shows
Delivered; the record does not say when
Marcum served as the auditor for fiscal 2022, per the 2024 proxy. No passage dates the engagement itself.
“The Audit Committee previously retained Marcum LLP to serve as the Company’s independent public accounting firm and to perform such audit services for the years ended December 31, 2018, 2019, 2020, 2021 and 2022.”
2024-04-28 · Riot DEF 14A filed 2024-04-29 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
Marcum LLP is engaged as the independent registered public accounting firm for the fiscal year ending December 31, 2022
Source (primary)
Riot DEFA14A filed 2022-06-17 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “Ratification of the engagement of Marcum LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2022”
How we checked this
Checked on October 11, 2026. The cited source supports every part of this claim.
The proxy letter refers to 'the engagement of Marcum LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2022.' The engagement was put to stockholders for ratification at the July 27, 2022 annual meeting, and the document does not report the vote's outcome.
Confirmed in the source:
- Riot Blockchain had engaged Marcum LLP as its independent registered public accounting firm
- The engagement covers the fiscal year ending December 31, 2022
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1167419/000114036122023384/ny20004156x6_defa14a.htm) in full (4,479 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Riot DEFA14A filed 2022-06-17
Quote: “Ratification of the engagement of Marcum LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2022”
confirms Riot DEF 14A filed 2024-04-29
Quote: “The Audit Committee previously retained Marcum LLP to serve as the Company’s independent public accounting firm and to perform such audit services for the years ended December 31, 2018, 2019, 2020, 2021 and 2022.”