{"schema_version":"secwatch.filing_event.v1","accession":"0000092122-24-000062","form_type":"8-K","ticker":"SO","cik":"0000092122","company_name":"SOUTHERN CO","filed_at":"2024-05-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:22.458573+00:00","generated_at":"2026-06-02T03:07:11.922051+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Southern Nuclear CEO Stephen Kuczynski to retire effective June 28, 2024","bullets":["Stephen E. Kuczynski, Chairman & CEO of Southern Nuclear, notified retirement effective June 28, 2024.","Kuczynski is a named executive officer of The Southern Company.","No successor has been announced in this filing."],"urls":{"canonical":"https://secwatch.observer/filing/0000092122-24-000062","json":"https://secwatch.observer/filing/0000092122-24-000062.json","markdown":"https://secwatch.observer/filing/0000092122-24-000062.md","text":"https://secwatch.observer/filing/0000092122-24-000062.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/92122/000009212224000062/0000092122-24-000062-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/92122/000009212224000062/so-20240507.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-02T03:07:11.922051+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":[{"claim_id":"e4286f108b","claim":"Stephen E. Kuczynski retired as Chairman and Chief Executive Officer at SOUTHERN CO.","evidence_excerpt":"On May 7, 2024, Stephen E. Kuczynski, Chairman and Chief Executive Officer of Southern Nuclear Operating Company, Inc. (“Southern Nuclear”) and a named executive officer of The Southern Company, notified Southern Nuclear of his retirement, effective June 28, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/92122/000009212224000062/0000092122-24-000062-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"Chairman and Chief Executive Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}