{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-013480","form_type":"8-K","ticker":"NSC","cik":"0000702165","company_name":"NORFOLK SOUTHERN CORP","filed_at":"2025-01-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:06.096097+00:00","generated_at":"2026-05-27T09:41:39.988513+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Norfolk Southern appoints former Celanese CEO Lori Ryerkerk to board","bullets":["Lori J. Ryerkerk, ex-CEO of Celanese Corp., elected to Norfolk Southern's Board effective Jan 27, 2025.","Board expands to 14 members; Ryerkerk will serve on Human Capital Management, Compensation, and Governance & Nominating Committees.","Appointment made pursuant to November 2024 cooperation agreement with Ancora Holdings.","Ryerkerk brings over 30 years of global experience in energy, manufacturing, and chemicals."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-013480","json":"https://secwatch.observer/filing/0001193125-25-013480.json","markdown":"https://secwatch.observer/filing/0001193125-25-013480.md","text":"https://secwatch.observer/filing/0001193125-25-013480.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/702165/000119312525013480/0001193125-25-013480-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/702165/000119312525013480/d923250d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-27T09:41:39.988513+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":"32a354aa9b","claim":"Lori J. Ryerkerk was elected as Director at NORFOLK SOUTHERN CORP.","evidence_excerpt":"On January 27, 2025, the Board of Directors (the “Board”) of Norfolk Southern Corporation (the “Company”) elected Lori J. Ryerkerk to serve as a member of the Board of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/702165/000119312525013480/0001193125-25-013480-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}