{"schema_version":"secwatch.filing_event.v1","accession":"0000092122-26-000063","form_type":"8-K","ticker":"SO","cik":"0000092122","company_name":"SOUTHERN CO","filed_at":"2026-08-06T15:15:47+00:00","discovered_at":"2026-08-06T15:17:05.584227+00:00","generated_at":"2026-08-06T15:17:13.189764+00:00","sec_items":["2.03","3.02","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Southern Company issues $2.73B in convertible senior notes in two tranches","bullets":["Total principal $2.73125B: Series A $833.75M at 2.125% due 2027, Series B $1.8975B at 3.50% due 2029.","Initial conversion prices: $104.56/share for Series A, $118.50/share for Series B.","Notes sold in private placement to initial purchasers with over-allotment options exercised.","Maximum shares issuable upon conversion: ~8.97M for Series A, ~20.42M for Series B.","Notes are unsecured, unsubordinated, not redeemable by company."],"urls":{"canonical":"https://secwatch.observer/filing/0000092122-26-000063","json":"https://secwatch.observer/filing/0000092122-26-000063.json","markdown":"https://secwatch.observer/filing/0000092122-26-000063.md","text":"https://secwatch.observer/filing/0000092122-26-000063.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/92122/000009212226000063/0000092122-26-000063-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/92122/000009212226000063/so-20260803.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-06T15:17:13.189764+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"}