{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-26-075990","form_type":"8-K","ticker":"ARKB","cik":"0001869699","company_name":"Ark 21Shares Bitcoin ETF","filed_at":"2026-07-07T20:32:13+00:00","discovered_at":"2026-07-07T20:33:00.267767+00:00","generated_at":"2026-07-07T20:33:03.897651+00:00","sec_items":["1.02"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"ARK 21Shares Bitcoin ETF to switch pricing benchmark from CF Benchmarks to FTSE","bullets":["Terminated licensing agreement with CF Benchmarks for CME CF Bitcoin Reference Rate—New York Variant, effective Aug 31, 2026.","Sponsor intends to enter licensing agreement with FTSE International Limited around Aug 24, 2026 for FTSE index data.","FTSE will provide non-exclusive license for use in developing, calculating, and marketing the Trust.","Change is part of a broader transition to a new benchmark provider; FTSE is unaffiliated with Sponsor.","FTSE is experienced in digital asset indices; license expected to have one-year initial term with auto-renewal."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-26-075990","json":"https://secwatch.observer/filing/0001213900-26-075990.json","markdown":"https://secwatch.observer/filing/0001213900-26-075990.md","text":"https://secwatch.observer/filing/0001213900-26-075990.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1869699/000121390026075990/0001213900-26-075990-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1869699/000121390026075990/ea0296648-8k_ark21share.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-07-07T20:33:03.897651+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"}