{"filing":{"accession_number":"0001193125-26-324795","cik":"0001335730","ticker":"MZHOF","company_name":"MIZUHO FINANCIAL GROUP INC","form":"6-K","filing_date":"2026-07-30","report_date":"2026-07-30","primary_document":"d109978d6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1335730/000119312526324795/d109978d6k.htm"},"events":[{"id":21927,"run_id":19797,"accession_number":"0001193125-26-324795","anchor_item_number":null,"event_type":"periodic_quarterly","event_domain":"periodic","is_material":true,"confidence":0.95,"summary":"This is a quarterly financial report for Mizuho Financial Group for the first quarter of fiscal 2026 (three months ended June 30, 2026), containing consolidated balance sheets, income statements, comprehensive income statements, and detailed financial disclosures. The document explicitly states \"Consolidated Financial Statements for the First Quarter of Fiscal 2026\" and includes full quarterly financial statements under Japanese GAAP, making it a periodic quarterly report rather than a discrete earnings event.","company_name":"MIZUHO FINANCIAL GROUP INC","ticker":"MZHOF","filing_date":"2026-07-30","form":"6-K","submitted_at":null,"items":null}],"classifications":[{"id":21706,"accession_number":"0001193125-26-324795","item_number":null,"item_title":null,"event_type":"periodic_quarterly","event_domain":"periodic","is_material":true,"confidence":0.95,"reasoning":"This is a quarterly financial report for Mizuho Financial Group for the first quarter of fiscal 2026 (three months ended June 30, 2026), containing consolidated balance sheets, income statements, comprehensive income statements, and detailed financial disclosures. The document explicitly states \"Consolidated Financial Statements for the First Quarter of Fiscal 2026\" and includes full quarterly financial statements under Japanese GAAP, making it a periodic quarterly report rather than a discrete earnings event.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-30T10:13:40.070094+00:00","company_name":"MIZUHO FINANCIAL GROUP INC","ticker":"MZHOF","filing_date":"2026-07-30"}]}