---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-101660"
form_type: "8-K"
ticker: "HZEN"
cik: "0001748945"
company_name: "Grayscale Horizen Trust (ZEN)"
filed_at: "2025-08-04T23:59:59+00:00"
generated_at: "2026-05-17T21:32:04.614513+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Barry Silbert appointed Chairman of Grayscale Horizen Trust Board; Shifke steps down as Chairman

## Summary
- Barry Silbert, founder of DCG, appointed Director and Chairman of the Board effective August 4, 2025.
- Mark Shifke steps down as Chairman but remains a Director.
- Grayscale considering further board expansion with independent directors.
- Sponsor also hired four senior executives (COO, CMO, CCO, CHRO) from Bridgewater, Apollo, Goldman Sachs, Citadel.
- Grayscale manages over $35B in AUM across three dozen products including Bitcoin and Ethereum ETFs.

## SEC filing metadata
- accession: 0000950170-25-101660
- form_type: 8-K
- ticker: HZEN
- cik: 0001748945
- company_name: Grayscale Horizen Trust (ZEN)
- filed_at: 2025-08-04T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1748945/000095017025101660/0000950170-25-101660-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1748945/000095017025101660/hzen-20250804.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-101660
- JSON: https://secwatch.observer/filing/0000950170-25-101660.json
- Plain text: https://secwatch.observer/filing/0000950170-25-101660.txt

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