{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-22-023533","form_type":"8-K","ticker":"HZEN","cik":"0001748945","company_name":"Grayscale Horizen Trust (ZEN)","filed_at":"2022-11-09T23:59:59+00:00","discovered_at":"2026-05-14T18:03:51.970752+00:00","generated_at":"2026-06-22T01:38:19.515563+00:00","sec_items":["8.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Grayscale Horizen Trust Sponsor appoints Hugh Ross to Audit Committee, replaces Silbert","bullets":["Hugh Ross, COO of Grayscale Investments, appointed to Audit Committee effective Nov 4, 2022.","Barry E. Silbert replaced on Audit Committee, remains Chairman of the Sponsor's board.","Audit Committee now comprises Michael Sonnenshein, Edward McGee, and Hugh Ross.","Ross has been COO since Feb 2021; previously COO at Horizon Kinetics, VP at Goldman Sachs."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-22-023533","json":"https://secwatch.observer/filing/0000950170-22-023533.json","markdown":"https://secwatch.observer/filing/0000950170-22-023533.md","text":"https://secwatch.observer/filing/0000950170-22-023533.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1748945/000095017022023533/0000950170-22-023533-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1748945/000095017022023533/hzen-20221104.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-22T01:38:19.515563+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}