{"schema_version":"secwatch.filing_event.v1","accession":"0000092122-25-000080","form_type":"8-K","ticker":"SO","cik":"0000092122","company_name":"SOUTHERN CO","filed_at":"2025-09-15T23:59:59+00:00","discovered_at":"2026-05-14T18:02:46.707279+00:00","generated_at":"2026-05-17T06:42:28.976776+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Southern Co adjusts conversion rate for Series 2023A 3.875% notes to 11.9035 shares per $1,000","bullets":["Conversion rate adjusted to 11.9035 shares per $1,000 principal effective September 15, 2025.","Adjustment triggered by six quarterly dividends exceeding the $0.70/share Distribution Threshold.","Previously deferred conversion rate increases (each <1%) combined and applied now per indenture terms.","Series 2023A 3.875% Convertible Senior Notes mature December 15, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0000092122-25-000080","json":"https://secwatch.observer/filing/0000092122-25-000080.json","markdown":"https://secwatch.observer/filing/0000092122-25-000080.md","text":"https://secwatch.observer/filing/0000092122-25-000080.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/92122/000009212225000080/0000092122-25-000080-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/92122/000009212225000080/so-20250915.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T06:42:28.976776+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"}