{"filing":{"accession_number":"0000947484-26-000075","cik":"0000947484","ticker":"ACGLO","company_name":"ARCH CAPITAL GROUP LTD.","form":"8-K","filing_date":"2026-06-02","report_date":null,"primary_document":"acgl-20260602.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/947484/000094748426000075/acgl-20260602.htm"},"events":[{"id":7358,"run_id":6463,"accession_number":"0000947484-26-000075","anchor_item_number":"8.01","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.72,"summary":"Arch Capital Group announced cash tender offers by its subsidiaries to repurchase up to $350 million in outstanding senior notes (5.144% notes due 2043 and 5.031% notes due 2046). While this is a material capital allocation and debt management activity that would affect investor assessment of the company's financial position and strategy, it does not fit cleanly into the more specific M\u0026A or debt covenant categories—it is a voluntary debt repurchase program rather than a merger, acquisition, or covenant breach. This is best classified as other_material.","company_name":"ARCH CAPITAL GROUP LTD.","ticker":"ACGLO","filing_date":"2026-06-02","form":"8-K","submitted_at":null,"items":[{"id":3435,"accession_number":"0000947484-26-000075","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.72,"reasoning":"Arch Capital Group announced cash tender offers by its subsidiaries to repurchase up to $350 million in outstanding senior notes (5.144% notes due 2043 and 5.031% notes due 2046). While this is a material capital allocation and debt management activity that would affect investor assessment of the company's financial position and strategy, it does not fit cleanly into the more specific M\u0026A or debt covenant categories—it is a voluntary debt repurchase program rather than a merger, acquisition, or covenant breach. This is best classified as other_material.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-03T02:08:55.993361+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":3435,"accession_number":"0000947484-26-000075","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.72,"reasoning":"Arch Capital Group announced cash tender offers by its subsidiaries to repurchase up to $350 million in outstanding senior notes (5.144% notes due 2043 and 5.031% notes due 2046). While this is a material capital allocation and debt management activity that would affect investor assessment of the company's financial position and strategy, it does not fit cleanly into the more specific M\u0026A or debt covenant categories—it is a voluntary debt repurchase program rather than a merger, acquisition, or covenant breach. This is best classified as other_material.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-03T02:08:55.993361+00:00","company_name":"ARCH CAPITAL GROUP LTD.","ticker":"ACGLO","filing_date":"2026-06-02"}]}