Every 8-K that GRAYSCALE HORIZEN TR ZEN (HZEN) has filed with the SEC in the last 24 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 8-K covers material events a company has to report between its quarterly reports, so if you follow HZEN and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full HZEN filings page.
Grayscale Horizen Trust (HZEN) is changing how it values the ZEN tokens held by the trust. Effective September 1, 2026, the trust will stop using the CoinDesk Horizen Reference Rate and instead use the CoinDesk Horizen Benchmark Extended Rate (the Index) to calculate its Index Price, NAV and NAV per Share.
The Index is a U.S. dollar-denominated composite reference rate designed to mitigate fraud, manipulation and anomalous trading by cleansing and weighting trade data from selected Constituent Trading Platforms. It uses a real-time, volume-weighted algorithm with outlier detection, inactivity adjustments and manipulation resistance. If the Index Price is unavailable or deemed inaccurate, the Sponsor will sequentially rely on a Coin Metrics Real-Time Rate, then a principal-market spot price, and finally a good-faith estimate. The Index Provider can change methodologies and trading venues at its discretion, and the Sponsor may change index providers or its fallback rules, with material changes to be disclosed to shareholders.
Grayscale Horizen Trust (ZEN) reported leadership changes at its sponsor. Effective July 2, 2026, Kathryn Masci and Daniel Plourde were appointed interim Co-Chief Financial Officers of Grayscale Investments Sponsors, LLC, which sponsors the trust. Masci also joined the sponsor’s Board of Managers and became Principal Financial and Accounting Officer of the trust.
They succeed Edward McGee, who stepped down for personal reasons after about seven years with Grayscale. The company states his departure is not due to any disagreement over operations, policies, or practices, and notes that he leaves on good terms.
Grayscale Horizen Trust (ZEN) reports that its sponsor has changed the Trust’s fiscal year-end from September 30 to December 31, effective for the fiscal year beginning January 1, 2025 and ending December 31, 2025. The Trust plans to file a transition Form 10-KT for the short period from October 1, 2025 through December 31, 2025.
The sponsor also provides an update on its review of the Trust’s ongoing viability following the migration of ZEN tokens from the legacy Horizen blockchain to the Base Network. After considering token adoption, usage and legal analysis on the status of ZEN under U.S. federal securities laws, the sponsor has decided to continue the affairs of the Trust and does not currently intend to discontinue or dissolve it. The sponsor notes it may re-evaluate the Trust’s viability in the future under the Trust Agreement and applicable law.
Grayscale Horizen Trust (ZEN) filed an update explaining how its sponsor, Grayscale Investments Sponsors, LLC, uses social media, specifically X (formerly Twitter). The sponsor and its affiliates maintain accounts on X and sometimes use “cashtags,” which are ticker symbols preceded by a dollar sign like $HZEN. X automatically turns these cashtags into links that lead to pages showing market data, news, and commentary created by third parties.
The trust stresses that these X-generated pages and linked third-party sites are not controlled, prepared, or verified by Grayscale and may be inaccurate or inconsistent with its official disclosures. Investors are cautioned not to treat such third-party information as authorized by Grayscale and are directed instead to rely on Grayscale’s filings with the Securities and Exchange Commission for accurate and up-to-date information about the trust and its products.
Grayscale Horizen Trust (HZEN) reported an internal corporate reorganization of its sponsor’s parent entities. On October 22, 2025, Grayscale Investments, Inc. became the sole managing member of Grayscale Operating, LLC (GSO), which remains the sole member of Grayscale Investments Sponsors, LLC, the Sponsor of the Trust.
DCG Grayscale Holdco, LLC elected a new board of directors at Grayscale Investments—Barry Silbert (Chair), Mark Shifke, Simon Koster, Peter Mintzberg, and Edward McGee—the same members who served at GSOIH prior to the reorganization. The Trust stated it does not expect the reorganization to have any material impact on its operations.
Grayscale Horizen Trust (HZEN) reported a governance change at its sponsor’s parent entity. On October 13, 2025, GSO Intermediate Holdings Corporation, the sole managing member of Grayscale Operating, LLC and sole member of Grayscale Investments Sponsors, LLC, said that Matthew Kummell stepped down from its Board and Simon Koster was appointed as a Director.
Mr. Koster is Chief Strategy Officer at Digital Currency Group, where he leads investments across a portfolio of digital assets, subsidiaries, and more than 250+ early‑stage companies in over 35 nations. He previously led DCG’s real estate efforts and held senior roles at The Collective and JDS Development Group. He serves on the boards of Foundry, Luno, Fortitude, and Yuma, each affiliated with Grayscale.