{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-001112","form_type":"8-K","ticker":"BTC","cik":"0002015034","company_name":"Grayscale Bitcoin Mini Trust ETF","filed_at":"2025-01-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:05.802677+00:00","generated_at":"2026-05-28T16:15:00.757222+00:00","sec_items":["1.01","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Grayscale Bitcoin Mini Trust ETF sponsor reorganized; GSO replaced by GSIS as sole sponsor","bullets":["Grayscale Investments, LLC (GSI) merged into Grayscale Operating, LLC (GSO) on Jan 1, 2025.","GSO assigned all sponsor contracts to Grayscale Investments Sponsors, LLC (GSIS) on Jan 1.","GSO voluntarily withdrew as sponsor on Jan 3, effective 120 days later; GSIS to be sole sponsor.","Company expects reorganization to have no material impact on trust operations."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-001112","json":"https://secwatch.observer/filing/0000950170-25-001112.json","markdown":"https://secwatch.observer/filing/0000950170-25-001112.md","text":"https://secwatch.observer/filing/0000950170-25-001112.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2015034/000095017025001112/0000950170-25-001112-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2015034/000095017025001112/btc-20250101.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-28T16:15:00.757222+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"}