{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-24-035634","form_type":"8-K","ticker":"HZEN","cik":"0001748945","company_name":"Grayscale Horizen Trust (ZEN)","filed_at":"2024-03-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:25.381889+00:00","generated_at":"2026-06-04T08:33:28.462043+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"high","headline":"Grayscale Horizen Trust amends definition of 'Business Day' in Trust Agreement","bullets":["Amendment changes Business Day from bank closure to national securities exchange closure in NYC.","Effective March 22, 2024; no financial impact or operational change.","Modifies definition only; all other terms of Trust Agreement unchanged."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-24-035634","json":"https://secwatch.observer/filing/0000950170-24-035634.json","markdown":"https://secwatch.observer/filing/0000950170-24-035634.md","text":"https://secwatch.observer/filing/0000950170-24-035634.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1748945/000095017024035634/0000950170-24-035634-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1748945/000095017024035634/hzen-20240322.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T08:33:28.462043+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":"80227da873434d800e8b316d63f9223612cc30b1","claim":"Grayscale Horizen Trust (ZEN) amended Amendment No. 3 with Delaware Trust Company (effective 2024-03-22).","evidence_excerpt":"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”)","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1748945/000095017024035634/0000950170-24-035634-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Counterparty","value":"Delaware Trust Company"},{"label":"Effective","value":"2024-03-22"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}