{"schema_version":"secwatch.filing_event.v1","accession":"0000092122-25-000050","form_type":"8-K","ticker":"SO","cik":"0000092122","company_name":"SOUTHERN CO","filed_at":"2025-05-20T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.825086+00:00","generated_at":"2026-05-21T00:55:17.431288+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Southern Company offers $1.25B in convertible senior notes due 2028","bullets":["Offering of $1.25B in convertible notes due June 15, 2028; underwriters may purchase additional $200M.","Interest rate and conversion price to be determined at pricing; notes are senior, unsecured obligations.","Proceeds to repurchase portions of outstanding 3.875% notes due 2025 and 4.50% notes due 2027.","Remaining proceeds to repay commercial paper and for general corporate purposes, including subsidiary investments.","Private placement to qualified institutional buyers under Rule 144A; notes and conversion shares not registered."],"urls":{"canonical":"https://secwatch.observer/filing/0000092122-25-000050","json":"https://secwatch.observer/filing/0000092122-25-000050.json","markdown":"https://secwatch.observer/filing/0000092122-25-000050.md","text":"https://secwatch.observer/filing/0000092122-25-000050.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/92122/000009212225000050/0000092122-25-000050-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/92122/000009212225000050/so-20250520.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-21T00:55:17.431288+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"}