---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-027118"
form_type: "8-K"
ticker: "GBTC"
cik: "0001588489"
company_name: "Grayscale Bitcoin Trust ETF"
filed_at: "2024-03-06T23:59:59+00:00"
generated_at: "2026-06-05T02:40:13.604812+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Grayscale Bitcoin Trust dismisses Marcum, appoints KPMG as auditor

## Summary
- Marcum LLP dismissed as independent auditor effective March 1, 2024, after completing FY2023 audit.
- Marcum reports for FY2022 and FY2023 contained no adverse opinion or disagreements.
- KPMG LLP appointed as new auditor for FY2024 and future periods.
- Change approved by Audit Committee of Grayscale Investments, LLC, the sponsor.
- No prior consultations with KPMG on accounting principles or audit scope.

## SEC filing metadata
- accession: 0000950170-24-027118
- form_type: 8-K
- ticker: GBTC
- cik: 0001588489
- company_name: Grayscale Bitcoin Trust ETF
- filed_at: 2024-03-06T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1588489/000095017024027118/0000950170-24-027118-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1588489/000095017024027118/gbtc-20240301.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-027118
- JSON: https://secwatch.observer/filing/0000950170-24-027118.json
- Plain text: https://secwatch.observer/filing/0000950170-24-027118.txt

## Key facts
- Auditor Changes
  Grayscale Bitcoin Trust ETF engaged KPMG LLP as its auditor.
  - Action: engagement
  - Auditor: KPMG LLP
  source text: On March 1, 2024, the Audit Committee of the Board of Directors of the Sponsor approved the engagement of KPMG LLP (“KPMG”) to be the Trust’s independent registered public accounting firm to perform independent audit services for the Trust beginning with its fiscal year ending December 31, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1588489/000095017024027118/0000950170-24-027118-index.htm
- Auditor Changes
  Grayscale Bitcoin Trust ETF dismissed Marcum LLP as its auditor.
  - Action: dismissal
  - Auditor: Marcum LLP
  - Successor: KPMG LLP
  source text: On March 1, 2024, the Audit Committee of the Board of Directors of Grayscale Investments, LLC, the sponsor (the “Sponsor”) of Grayscale Bitcoin Trust (BTC) (the “Trust”), approved the dismissal of the current independent registered public accounting firm of the Trust, Marcum LLP (“Marcum”), effective March 1, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1588489/000095017024027118/0000950170-24-027118-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.