---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-001120"
form_type: "8-K"
ticker: "HZEN"
cik: "0001748945"
company_name: "Grayscale Horizen Trust (ZEN)"
filed_at: "2025-01-03T23:59:59+00:00"
generated_at: "2026-05-28T14:52:35.291473+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# Grayscale Horizen Trust sponsor reorganized; GSO merges with GSI, then assigns contracts to GSIS

## Summary
- Grayscale Investments, LLC merged into Grayscale Operating, LLC on Jan 1, 2025; GSO is surviving entity.
- GSO assigned all sponsor contracts to Grayscale Investments Sponsors, LLC effective Jan 1, 2025.
- GSO voluntarily withdrew as sponsor on Jan 3, 2025, effective after 120 days; GSIS to be sole sponsor.
- Grayscale expects no material impact on the Trust's operations from the reorganization.
- GSIS admitted as additional sponsor under the Amended and Restated Declaration of Trust.

## SEC filing metadata
- accession: 0000950170-25-001120
- form_type: 8-K
- ticker: HZEN
- cik: 0001748945
- company_name: Grayscale Horizen Trust (ZEN)
- filed_at: 2025-01-03T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1748945/000095017025001120/0000950170-25-001120-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1748945/000095017025001120/hzen-20250101.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-001120
- JSON: https://secwatch.observer/filing/0000950170-25-001120.json
- Plain text: https://secwatch.observer/filing/0000950170-25-001120.txt

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