---
schema_version: "secwatch.filing_event.v1"
accession: "0001748945-26-000004"
form_type: "8-K"
ticker: "HZEN"
cik: "0001748945"
company_name: "Grayscale Horizen Trust (ZEN)"
filed_at: "2026-07-02T20:35:46+00:00"
generated_at: "2026-07-02T20:38:24.418561+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Grayscale Horizen Trust sponsor appoints co-CFOs as Edward McGee steps down

## Summary
- Edward McGee steps down as CFO and Principal Financial and Accounting Officer effective July 2, 2026, for personal reasons.
- Kathryn Masci and Daniel Plourde appointed as interim Co-CFOs; Masci also becomes Principal Financial and Accounting Officer and Board member.
- Masci has been with Grayscale since May 2020, most recently SVP Finance; Plourde joined Sep 2022, SVP Finance since Jan 2026.
- McGee leaves on good terms after 7 years; no disagreement with company.

## SEC filing metadata
- accession: 0001748945-26-000004
- form_type: 8-K
- ticker: HZEN
- cik: 0001748945
- company_name: Grayscale Horizen Trust (ZEN)
- filed_at: 2026-07-02T20:35:46+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1748945/000174894526000004/0001748945-26-000004-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1748945/000174894526000004/hzen-20260626.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001748945-26-000004
- JSON: https://secwatch.observer/filing/0001748945-26-000004.json
- Plain text: https://secwatch.observer/filing/0001748945-26-000004.txt

## Key facts
- Executive change
  Daniel Plourde was appointed as Co-Chief Financial Officer (interim) at Grayscale Horizen Trust (ZEN).
  - Action: appointed
  - Role: Co-Chief Financial Officer (interim)
  source text: the appointment of Kathryn Masci, Senior Vice President, Finance, and Daniel Plourde, Senior Vice President, Finance, to serve as Co-Chief Financial Officers of Grayscale Investments Sponsors, LLC on an interim basis, effective July 2, 2026
  evidence_url: https://www.sec.gov/Archives/edgar/data/1748945/000174894526000004/0001748945-26-000004-index.htm
- Executive change
  Edward McGee departed as Chief Financial Officer, Principal Financial and Accounting Officer and member of the Board of Managers at Grayscale Horizen Trust (ZEN).
  - Action: stepped down
  - Role: Chief Financial Officer, Principal Financial and Accounting Officer and member of the Board of Managers
  source text: Mr. McGee is stepping down for personal reasons and not due to any disagreement with the Company or any matter relating to Grayscale’s operations, policies or practices.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1748945/000174894526000004/0001748945-26-000004-index.htm
- Executive change
  Kathryn Masci was appointed as Co-Chief Financial Officer and Principal Financial and Accounting Officer (interim) at Grayscale Horizen Trust (ZEN).
  - Action: appointed
  - Role: Co-Chief Financial Officer and Principal Financial and Accounting Officer (interim)
  source text: the appointment of Kathryn Masci, Senior Vice President, Finance, and Daniel Plourde, Senior Vice President, Finance, to serve as Co-Chief Financial Officers of Grayscale Investments Sponsors, LLC on an interim basis, effective July 2, 2026
  evidence_url: https://www.sec.gov/Archives/edgar/data/1748945/000174894526000004/0001748945-26-000004-index.htm
- Executive change
  Kathryn Masci was appointed as member of the Board of Managers at Grayscale Horizen Trust (ZEN).
  - Action: appointed
  - Role: member of the Board of Managers
  source text: the appointment of Ms. Masci as a member of the Board of Managers of Grayscale Investments Sponsors, LLC.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1748945/000174894526000004/0001748945-26-000004-index.htm

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