---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-239037"
form_type: "8-K"
ticker: "ETHE"
cik: "0001725210"
company_name: "Grayscale Ethereum Staking ETF"
filed_at: "2025-10-14T23:59:59+00:00"
generated_at: "2026-05-17T03:55:19.323828+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Grayscale Ethereum Trust ETF sponsor board change: Kummell out, Koster in as director

## Summary
- Matthew Kummell stepped down as Director of GSOIH Board on October 13, 2025.
- Simon Koster appointed as Director of GSOIH Board effective same date.
- Koster is Chief Strategy Officer at Digital Currency Group, managing its investment portfolio.
- Koster also serves on boards of Foundry, Luno, Fortitude, and Yuma, all affiliates of Grayscale.

## SEC filing metadata
- accession: 0001193125-25-239037
- form_type: 8-K
- ticker: ETHE
- cik: 0001725210
- company_name: Grayscale Ethereum Staking ETF
- filed_at: 2025-10-14T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1725210/000119312525239037/0001193125-25-239037-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1725210/000119312525239037/ethe-20251013.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-239037
- JSON: https://secwatch.observer/filing/0001193125-25-239037.json
- Plain text: https://secwatch.observer/filing/0001193125-25-239037.txt

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