{"schema_version":"secwatch.filing_event.v1","accession":"0000092122-24-000034","form_type":"8-K","ticker":"SO","cik":"0000092122","company_name":"SOUTHERN CO","filed_at":"2024-02-28T23:59:59+00:00","discovered_at":"2026-05-14T18:03:27.299750+00:00","generated_at":"2026-06-05T10:17:22.743020+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Southern Company issues $800M in senior note taps: $400M 5.50% due 2029, $400M 5.70% due 2034","bullets":["Issued additional $400M Series 2023D 5.50% Senior Notes due March 15, 2029.","Issued additional $400M Series 2023E 5.70% Senior Notes due March 15, 2034.","Total outstanding after offering: $1B for Series 2023D, $1.1B for Series 2023E.","Underwriters include BofA Securities, Morgan Stanley, RBC, Scotia Capital, U.S. Bancorp.","Notes are registered under shelf registration statement No. 333-277138."],"urls":{"canonical":"https://secwatch.observer/filing/0000092122-24-000034","json":"https://secwatch.observer/filing/0000092122-24-000034.json","markdown":"https://secwatch.observer/filing/0000092122-24-000034.md","text":"https://secwatch.observer/filing/0000092122-24-000034.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/92122/000009212224000034/0000092122-24-000034-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/92122/000009212224000034/so-20240226.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-05T10:17:22.743020+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"}