{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-101661","form_type":"8-K","ticker":"BTC","cik":"0002015034","company_name":"Grayscale Bitcoin Mini Trust ETF","filed_at":"2025-08-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.816847+00:00","generated_at":"2026-05-17T21:37:51.563364+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Grayscale appoints Barry Silbert as Board Chairman; adds four C-level execs","bullets":["Barry Silbert returns as Board Chairman; Mark Shifke steps down as Chairman but remains Director.","Diana Zhang (ex-Bridgewater/BlockTower) appointed COO; Ramona Boston (ex-Apollo) named CMO.","Andrea Williams (ex-Goldman Sachs) becomes CCO; Maxwell Rosenthal (ex-Citadel) appointed CHRO.","Grayscale now manages over $35B in AUM across 40+ products, including Bitcoin and Ethereum ETFs.","Company is considering expanding the Board further with independent directors."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-101661","json":"https://secwatch.observer/filing/0000950170-25-101661.json","markdown":"https://secwatch.observer/filing/0000950170-25-101661.md","text":"https://secwatch.observer/filing/0000950170-25-101661.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2015034/000095017025101661/0000950170-25-101661-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2015034/000095017025101661/btc-20250804.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T21:37:51.563364+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"}