{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-029651","form_type":"8-K","ticker":"HZEN","cik":"0001748945","company_name":"Grayscale Horizen Trust (ZEN)","filed_at":"2023-06-23T23:59:59+00:00","discovered_at":"2026-05-14T18:03:40.369056+00:00","generated_at":"2026-06-13T18:13:56.160365+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Grayscale Horizen Trust extends reference rate license with CoinDesk Indices to Feb 2025","bullets":["Amendment dated June 20, 2023 extends Reference Rate License Agreement term from Feb 29, 2024 to Feb 28, 2025.","Agreement governs use of CoinDesk Horizen Reference Rate to calculate Reference Rate Price for Trust shares.","Amendment renames reference provider from TradeBlock to CDI and includes redacted operational milestones and fee discounts.","No material financial terms disclosed; redacted portions deemed not material and competitively harmful."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-029651","json":"https://secwatch.observer/filing/0000950170-23-029651.json","markdown":"https://secwatch.observer/filing/0000950170-23-029651.md","text":"https://secwatch.observer/filing/0000950170-23-029651.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1748945/000095017023029651/0000950170-23-029651-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1748945/000095017023029651/hzen-20230620.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T18:13:56.160365+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"7234058ed2735fe2a24f5282bdda6c922ac77e05","claim":"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).","evidence_excerpt":"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.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1748945/000095017023029651/0000950170-23-029651-index.htm","confidence":0.95,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Agreement","value":"license"},{"label":"Counterparty","value":"CoinDesk Indices, Inc."},{"label":"Value","value":"Extended term from February 29, 2024 to February 28, 2025"},{"label":"Effective","value":"2023-06-20"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}