Source-grounded facts extracted from Grayscale Horizen Trust (ZEN)'s SEC 8-K filings across all families, newest first. Each cites a verbatim SEC excerpt.
Daniel Plourde was appointed as Co-Chief Financial Officer (interim) at Grayscale Horizen Trust (ZEN).
“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”
Kathryn Masci was appointed as member of the Board of Managers at Grayscale Horizen Trust (ZEN).
“the appointment of Ms. Masci as a member of the Board of Managers of Grayscale Investments Sponsors, LLC.”
Kathryn Masci was appointed as Co-Chief Financial Officer and Principal Financial and Accounting Officer (interim) at Grayscale Horizen Trust (ZEN).
“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”
Edward McGee departed as Chief Financial Officer, Principal Financial and Accounting Officer and member of the Board of Managers at Grayscale Horizen Trust (ZEN).
“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.”
Governance Changes
Grayscale Horizen Trust (ZEN): Fiscal year-end changed from September 30 to December 31 (effective 2025-01-01).
“On December 23, 2025, Grayscale Investments Sponsors, LLC (the “Sponsor”) amended the fiscal year-end of Grayscale Horizen Trust (ZEN) (the “Trust”) for financial accounting purposes, moving from September 30 to December 31 of each year, effective for the fiscal year beginning on January 1, 2025 and ending on December 31, 2025.”
Edward McGee changed role as interim principal executive officer at Grayscale Horizen Trust (ZEN).
“Mr. Edward McGee, the Chief Financial Officer of Grayscale and principal financial officer of the Company, will serve as principal executive officer on an interim basis until Mr. Mintzberg’s commencement date.”
Michael Sonnenshein departed as Chief Executive Officer at Grayscale Horizen Trust (ZEN).
“Mr. Mintzberg will succeed Michael Sonnenshein, the current Chief Executive Officer of Grayscale and the principal executive officer of the Company, who has decided to step down from his position, effective immediately.”
Peter Mintzberg was appointed as Chief Executive Officer at Grayscale Horizen Trust (ZEN).
“On May 20, 2024, Grayscale Investments, LLC (“Grayscale”), the sponsor of Grayscale Horizen Trust (ZEN) (the “Company”), announced that it has approved the appointment of Peter Mintzberg to serve as Grayscale’s new Chief Executive Officer and the principal executive officer of the Company, and a member of the Board of Directors of Grayscale, effective August 15, 2024.”
Material Agreements
Grayscale Horizen Trust (ZEN) amended Amendment No. 3 with Delaware Trust Company (effective 2024-03-22).
“On March 22, 2024, Grayscale Investments, LLC, the sponsor (the “Sponsor”) of Grayscale Horizen Trust (ZEN) (the “Trust”) and the Delaware Trust Company, the trustee (the “Trustee”) of the Trust entered into Amendment No. 3 (the “Amendment No. 3”) to the Trust’s Amended and Restated Declaration of Trust and Trust Agreement (the “Trust Agreement”)”
Auditor Changes
Grayscale Horizen Trust (ZEN) engaged KPMG LLP as its auditor.
“On March 1, 2024, the Audit Committee of the Board of Directors of the Sponsor approved the engagement of KPMG LLP (“KPMG”) to be the Trust’s independent registered public accounting firm”
Auditor Changes
Grayscale Horizen Trust (ZEN) dismissed Marcum LLP as its auditor.
“On March 1, 2024, the Audit Committee of the Board of Directors of Grayscale Investments, LLC, the sponsor (the “Sponsor”) of Grayscale Horizen Trust (ZEN) (the “Trust”), approved the dismissal of the current independent registered public accounting firm of the Trust, Marcum LLP (“Marcum”)”
Material Agreements
Grayscale Horizen Trust (ZEN) amended Reference Rate License Agreement with CoinDesk Indices, Inc. valued at Extended term from February 29, 2024 to February 28, 2025 (effective 2023-06-20).
“On June 20, 2023, Grayscale Investments, LLC, the sponsor (the “Sponsor”) of Grayscale Horizen Trust (ZEN) (the “Trust”), and CoinDesk Indices, Inc. (the “Reference Rate Provider”), entered into an Amendment (the “Amendment”) to the Reference Rate License Agreement dated January 31, 2022, between the Sponsor and the Reference Rate Provider (the “Reference Rate License Agreement”) governing the Sponsor’s use of the CoinDesk Horizen Reference Rate (the “Reference Rate”) to calculate the Reference Rate Price, among other things.”
Facts are extracted by an LLM and gated to those whose source quote is present verbatim in the filing text. Coverage is best-effort while backfill and monitoring mature; this is not yet a full-market index. See methodology.