Marcum, LLP auditor appointment for fiscal year 2019
Company: Riot
What the later record shows
Delivered; the record does not say when
The 2024 proxy confirms Marcum LLP was retained and audited the year ended December 31, 2019. No passage gives the date the appointment was made or ratified.
“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 appointed as independent registered public accounting firm for the fiscal year ending December 31, 2019
Source (primary)
Riot DEF 14A filed 2019-09-20 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “to ratify the appointment of Marcum, LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2019”
How we checked this
Checked on October 11, 2026. The cited source supports every part of this claim.
The proxy statement says the Audit Committee appointed Marcum, LLP as the independent registered public accounting firm for the fiscal year ending December 31, 2019, and asks stockholders to ratify that appointment.
Confirmed in the source:
- Marcum, LLP was appointed as Riot Blockchain's independent registered public accounting firm
- The appointment covers the fiscal year ending December 31, 2019
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1167419/000155335019000975/riot_14a.htm) in full (247,888 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Riot DEF 14A filed 2019-09-20
Quote: “to ratify the appointment of Marcum, LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2019”
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.”