{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-270037","form_type":"8-K","ticker":"NSC","cik":"0000702165","company_name":"NORFOLK SOUTHERN CORP","filed_at":"2025-11-06T23:59:59+00:00","discovered_at":"2026-05-14T18:02:41.937816+00:00","generated_at":"2026-05-17T00:04:52.880337+00:00","sec_items":["8.01"],"event_type":"litigation","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Norfolk Southern discloses three shareholder lawsuits challenging UP merger; supplements proxy","bullets":["Three lawsuits filed in NY Supreme Court (Oct 23-26, 2025) allege disclosure deficiencies in merger proxy.","NS and UP voluntarily supplement proxy with advisor details (Morgan Stanley, BofA) to moot disclosure claims.","Special shareholder meetings for both companies set for Nov 14, 2025 to vote on the merger.","Supplemental disclosures include broker price target ranges and selected transaction multiples."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-270037","json":"https://secwatch.observer/filing/0001193125-25-270037.json","markdown":"https://secwatch.observer/filing/0001193125-25-270037.md","text":"https://secwatch.observer/filing/0001193125-25-270037.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/702165/000119312525270037/0001193125-25-270037-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/702165/000119312525270037/d77671d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T00:04:52.880337+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"}