{"schema_version":"secwatch.filing_event.v1","accession":"0000092122-25-000052","form_type":"8-K","ticker":"SO","cik":"0000092122","company_name":"SOUTHERN CO","filed_at":"2025-05-21T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.825296+00:00","generated_at":"2026-05-20T23:26:10.868687+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Southern Company prices $1.45B 3.25% convertible notes due 2028; upsized by $200M","bullets":["$1.45B aggregate principal of 3.25% Convertible Senior Notes due June 15, 2028, upsized $200M from prior announcement.","Initial conversion price ~$113.54/share, representing a ~25% premium over May 20 closing price of common stock.","Net proceeds ~$1.44B; $1.25B used to repurchase ~$781.6M of Series 2023A and ~$328.1M of Series 2024A convertible notes.","Remaining proceeds to repay commercial paper and for general corporate purposes.","Closing expected May 23, 2025; initial purchasers have 13-day option for additional $200M of notes."],"urls":{"canonical":"https://secwatch.observer/filing/0000092122-25-000052","json":"https://secwatch.observer/filing/0000092122-25-000052.json","markdown":"https://secwatch.observer/filing/0000092122-25-000052.md","text":"https://secwatch.observer/filing/0000092122-25-000052.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/92122/000009212225000052/0000092122-25-000052-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/92122/000009212225000052/so-20250520.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T23:26:10.868687+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"}