{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-197075","form_type":"8-K","ticker":"NEU","cik":"0001282637","company_name":"NEWMARKET CORP","filed_at":"2024-08-08T23:59:59+00:00","discovered_at":"2026-05-14T18:03:12.461232+00:00","generated_at":"2026-05-31T10:42:42.115853+00:00","sec_items":["8.01","9.01"],"event_type":"dividend","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"NewMarket declares $2.50 quarterly dividend payable Oct 1","bullets":["Dividend of $2.50 per share declared by Board of Directors.","Payable October 1, 2024 to shareholders of record September 16, 2024.","Amount unchanged from prior quarterly dividend; no change in rate indicated."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-197075","json":"https://secwatch.observer/filing/0001193125-24-197075.json","markdown":"https://secwatch.observer/filing/0001193125-24-197075.md","text":"https://secwatch.observer/filing/0001193125-24-197075.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1282637/000119312524197075/0001193125-24-197075-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1282637/000119312524197075/d831450d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T10:42:42.115853+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"}