{"schema_version":"secwatch.filing_event.v1","accession":"0001564590-21-036453","form_type":"8-K","ticker":"GBTC","cik":"0001588489","company_name":"Grayscale Bitcoin Trust ETF","filed_at":"2021-07-13T23:59:59+00:00","discovered_at":"2026-05-14T18:04:18.699791+00:00","generated_at":"2026-06-30T05:44:40.015074+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 Bitcoin Trust hires BNY Mellon as administrator and accountant","bullets":["BNY Mellon engaged to provide fund administration and accounting services effective July 9, 2021.","Agreement covers NAV calculation, compliance support, and regulatory filings outlined in Schedule I.","BNY Mellon not responsible for investment decisions or virtual currency activities under NY DFS rules.","Trust to pay all expenses; BNY Mellon indemnified except for gross negligence or willful misconduct."],"urls":{"canonical":"https://secwatch.observer/filing/0001564590-21-036453","json":"https://secwatch.observer/filing/0001564590-21-036453.json","markdown":"https://secwatch.observer/filing/0001564590-21-036453.md","text":"https://secwatch.observer/filing/0001564590-21-036453.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1588489/000156459021036453/0001564590-21-036453-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1588489/000156459021036453/gbtc-8k_20210709.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-30T05:44:40.015074+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"}