{"filing":{"accession_number":"0001213900-26-075990","cik":"0001869699","ticker":"ARKB","company_name":"Ark 21Shares Bitcoin ETF","form":"8-K","filing_date":"2026-07-07","report_date":null,"primary_document":"ea0296648-8k_ark21share.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1869699/000121390026075990/ea0296648-8k_ark21share.htm"},"events":[{"id":16467,"run_id":14716,"accession_number":"0001213900-26-075990","anchor_item_number":"1.02","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"summary":"The filing discloses termination of the CME CF Bitcoin Reference Rate licensing agreement effective August 31, 2026, and a planned transition to FTSE as the new benchmark provider for calculating the Trust's net asset value. While Item 1.02 typically covers material definitive agreements, this is fundamentally an operational change to the Trust's pricing infrastructure rather than a traditional M\u0026A or financial obligation event. The transition is material because the benchmark is used daily to value the Trust's shares, but it does not fit the specific categories of debt issuance, covenant breach, or acquisition activity.","company_name":"Ark 21Shares Bitcoin ETF","ticker":"ARKB","filing_date":"2026-07-07","form":"8-K","submitted_at":null,"items":[{"id":14576,"accession_number":"0001213900-26-075990","item_number":"1.02","item_title":"Termination of a Material Definitive Agreement.","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"The filing discloses termination of the CME CF Bitcoin Reference Rate licensing agreement effective August 31, 2026, and a planned transition to FTSE as the new benchmark provider for calculating the Trust's net asset value. While Item 1.02 typically covers material definitive agreements, this is fundamentally an operational change to the Trust's pricing infrastructure rather than a traditional M\u0026A or financial obligation event. The transition is material because the benchmark is used daily to value the Trust's shares, but it does not fit the specific categories of debt issuance, covenant breach, or acquisition activity.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-07T20:38:49.565260+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":14576,"accession_number":"0001213900-26-075990","item_number":"1.02","item_title":"Termination of a Material Definitive Agreement.","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"The filing discloses termination of the CME CF Bitcoin Reference Rate licensing agreement effective August 31, 2026, and a planned transition to FTSE as the new benchmark provider for calculating the Trust's net asset value. While Item 1.02 typically covers material definitive agreements, this is fundamentally an operational change to the Trust's pricing infrastructure rather than a traditional M\u0026A or financial obligation event. The transition is material because the benchmark is used daily to value the Trust's shares, but it does not fit the specific categories of debt issuance, covenant breach, or acquisition activity.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-07T20:38:49.565260+00:00","company_name":"Ark 21Shares Bitcoin ETF","ticker":"ARKB","filing_date":"2026-07-07"}]}