{"filing":{"accession_number":"0001004155-26-000014","cik":"0001004155","ticker":null,"company_name":"SOUTHERN CO GAS","form":"8-K","filing_date":"2026-05-22","report_date":null,"primary_document":"so-20260520.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1004155/000100415526000014/so-20260520.htm"},"events":[{"id":10457,"run_id":9167,"accession_number":"0001004155-26-000014","anchor_item_number":"8.01","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"summary":"Southern Company Gas entered into an underwriting agreement for a $500 million issuance of junior subordinated notes due 2056, guaranteed by the parent company. While this is a material debt issuance that would affect investor assessment of the registrant's capital structure and leverage, it does not fit neatly into the more specific event categories (it is not M\u0026A, a restatement, auditor change, going concern, impairment, delisting, bankruptcy, covenant breach, cybersecurity incident, or dilutive equity issuance). This is disclosed under Item 8.01 (Other Events) and represents a material financing event best classified as other_material.","company_name":"SOUTHERN CO GAS","ticker":null,"filing_date":"2026-05-22","form":"8-K","submitted_at":null,"items":[{"id":6772,"accession_number":"0001004155-26-000014","item_number":"8.01","item_title":null,"event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"reasoning":"Southern Company Gas entered into an underwriting agreement for a $500 million issuance of junior subordinated notes due 2056, guaranteed by the parent company. While this is a material debt issuance that would affect investor assessment of the registrant's capital structure and leverage, it does not fit neatly into the more specific event categories (it is not M\u0026A, a restatement, auditor change, going concern, impairment, delisting, bankruptcy, covenant breach, cybersecurity incident, or dilutive equity issuance). This is disclosed under Item 8.01 (Other Events) and represents a material financing event best classified as other_material.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-13T00:22:08.297888+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":6772,"accession_number":"0001004155-26-000014","item_number":"8.01","item_title":null,"event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"reasoning":"Southern Company Gas entered into an underwriting agreement for a $500 million issuance of junior subordinated notes due 2056, guaranteed by the parent company. While this is a material debt issuance that would affect investor assessment of the registrant's capital structure and leverage, it does not fit neatly into the more specific event categories (it is not M\u0026A, a restatement, auditor change, going concern, impairment, delisting, bankruptcy, covenant breach, cybersecurity incident, or dilutive equity issuance). This is disclosed under Item 8.01 (Other Events) and represents a material financing event best classified as other_material.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-13T00:22:08.297888+00:00","company_name":"SOUTHERN CO GAS","ticker":null,"filing_date":"2026-05-22"}]}