{"schema_version":"secwatch.filing_event.v1","accession":"0000092122-23-000048","form_type":"8-K","ticker":"SO","cik":"0000092122","company_name":"SOUTHERN CO","filed_at":"2023-05-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:42.820329+00:00","generated_at":"2026-06-14T22:00:55.508865+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 $1.5B of senior notes in two tranches","bullets":["Issued $750M of 4.85% Series 2023B Senior Notes due June 15, 2028.","Issued $750M of 5.20% Series 2023C Senior Notes due June 15, 2033.","Notes sold under existing shelf registration (No. 333-253286); underwriting agreements dated May 15, 2023.","Proceeds used for general corporate purposes."],"urls":{"canonical":"https://secwatch.observer/filing/0000092122-23-000048","json":"https://secwatch.observer/filing/0000092122-23-000048.json","markdown":"https://secwatch.observer/filing/0000092122-23-000048.md","text":"https://secwatch.observer/filing/0000092122-23-000048.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/92122/000009212223000048/0000092122-23-000048-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/92122/000009212223000048/so-20230515.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-14T22:00:55.508865+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"}