---
schema_version: "secwatch.filing_event.v1"
accession: "0000950103-24-006879"
form_type: "8-K"
ticker: "ETCG"
cik: "0001705181"
company_name: "Grayscale Ethereum Classic Trust (ETC)"
filed_at: "2024-05-20T23:59:59+00:00"
generated_at: "2026-06-01T12:55:50.179899+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Grayscale CEO Michael Sonnenshein steps down; Peter Mintzberg appointed effective Aug 15, 2024

## Summary
- Michael Sonnenshein steps down immediately as CEO of Grayscale and principal executive officer of Grayscale Ethereum Classic Trust.
- Peter Mintzberg appointed CEO and board member, effective August 15, 2024; joins from Goldman Sachs as Global Head of Strategy for Asset & Wealth Management.
- Edward McGee, CFO, serves as interim principal executive officer until Mintzberg's start.
- Sonnenshein led Grayscale's growth from $60M to ~$30B AUM and the uplisting of the first spot Bitcoin ETF.

## SEC filing metadata
- accession: 0000950103-24-006879
- form_type: 8-K
- ticker: ETCG
- cik: 0001705181
- company_name: Grayscale Ethereum Classic Trust (ETC)
- filed_at: 2024-05-20T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1705181/000095010324006879/0000950103-24-006879-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1705181/000095010324006879/dp211413_8k-etcg.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950103-24-006879
- JSON: https://secwatch.observer/filing/0000950103-24-006879.json
- Plain text: https://secwatch.observer/filing/0000950103-24-006879.txt

## Key facts
- Executive change
  Michael Sonnenshein departed as Chief Executive Officer and principal executive officer at Grayscale Ethereum Classic Trust (ETC).
  - Action: stepped down
  - Role: Chief Executive Officer and principal executive officer
  source text: Michael Sonnenshein, the current Chief Executive Officer of Grayscale and the principal executive officer of the Company, who has decided to step down from his position, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1705181/000095010324006879/0000950103-24-006879-index.htm
- Executive change
  Peter Mintzberg was appointed as Chief Executive Officer at Grayscale Ethereum Classic Trust (ETC).
  - Action: appointed
  - Role: Chief Executive Officer
  source text: the appointment of Peter Mintzberg to serve as Grayscale’s new Chief Executive Officer and the principal executive officer of the Company, and a member of the Board of Directors of Grayscale, effective August 15, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1705181/000095010324006879/0000950103-24-006879-index.htm
- Executive change
  Edward McGee was appointed as Interim principal executive officer at Grayscale Ethereum Classic Trust (ETC).
  - Action: appointed as interim
  - Role: Interim principal executive officer
  source text: Mr. Edward McGee, the Chief Financial Officer of Grayscale and principal financial officer of the Company, will serve as principal executive officer on an interim basis until Mr. Mintzberg’s commencement date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1705181/000095010324006879/0000950103-24-006879-index.htm

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