{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-101655","form_type":"8-K","ticker":"ZCSH","cik":"0001720265","company_name":"Grayscale Zcash Trust (ZEC)","filed_at":"2025-08-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.769774+00:00","generated_at":"2026-05-17T21:30:25.894054+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Grayscale Zcash Trust sponsor appoints Barry Silbert as Chairman, expands management team","bullets":["Barry Silbert appointed Chairman of Grayscale Investments Sponsors; Mark Shifke steps down as Chairman but remains Director.","Four senior executives join: Diana Zhang (COO), Ramona Boston (CMO), Andrea Williams (CCO), Maxwell Rosenthal (CHRO).","Board may be expanded to include independent directors.","Grayscale manages over $35 billion in AUM across 40+ products."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-101655","json":"https://secwatch.observer/filing/0000950170-25-101655.json","markdown":"https://secwatch.observer/filing/0000950170-25-101655.md","text":"https://secwatch.observer/filing/0000950170-25-101655.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1720265/000095017025101655/0000950170-25-101655-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1720265/000095017025101655/zcsh-20250804.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T21:30:25.894054+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"}