---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-239013"
form_type: "8-K"
ticker: "GXLM"
cik: "0001761325"
company_name: "Grayscale Stellar Lumens Trust (XLM)"
filed_at: "2025-10-14T23:59:59+00:00"
generated_at: "2026-05-17T03:56:36.606335+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Grayscale Stellar Lumens Trust sponsor board: Kummell departs, Koster appointed

## Summary
- Matthew Kummell stepped down as Director of GSOIH Board, effective October 13, 2025.
- Simon Koster appointed as Director of GSOIH Board on October 13, 2025.
- Koster is Chief Strategy Officer at Digital Currency Group, managing DCG's digital asset portfolio and over 250 early-stage companies.
- Koster also serves on boards of Foundry (2023), Luno (2023), Fortitude (2024), and Yuma (2025), all affiliates of Grayscale.
- No compensatory arrangements or other material changes disclosed.

## SEC filing metadata
- accession: 0001193125-25-239013
- form_type: 8-K
- ticker: GXLM
- cik: 0001761325
- company_name: Grayscale Stellar Lumens Trust (XLM)
- 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/1761325/000119312525239013/0001193125-25-239013-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1761325/000119312525239013/gxlm-20251013.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-239013
- JSON: https://secwatch.observer/filing/0001193125-25-239013.json
- Plain text: https://secwatch.observer/filing/0001193125-25-239013.txt

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