---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-249973"
form_type: "8-K"
ticker: "ETCG"
cik: "0001705181"
company_name: "Grayscale Ethereum Classic Trust (ETC)"
filed_at: "2025-10-24T23:59:59+00:00"
generated_at: "2026-05-17T02:20:52.114047+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Grayscale Ethereum Classic Trust sponsor undergoes internal reorganization; no impact on trust operations

## Summary
- On Oct 22, 2025, GSOIH transferred GSO membership units to Grayscale Investments, which became sole managing member of GSO and thus sponsor GSIS.
- Newly elected Board of Grayscale Investments consists of Barry Silbert (Chair), Mark Shifke, Simon Koster, Peter Mintzberg, and Edward McGee.
- Trust expects reorganization to have no material impact on its operations.

## SEC filing metadata
- accession: 0001193125-25-249973
- form_type: 8-K
- ticker: ETCG
- cik: 0001705181
- company_name: Grayscale Ethereum Classic Trust (ETC)
- filed_at: 2025-10-24T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1705181/000119312525249973/0001193125-25-249973-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1705181/000119312525249973/etcg-20251022.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-249973
- JSON: https://secwatch.observer/filing/0001193125-25-249973.json
- Plain text: https://secwatch.observer/filing/0001193125-25-249973.txt

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