{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-349568","form_type":"8-K","ticker":"NEU","cik":"0001282637","company_name":"NEWMARKET CORP","filed_at":"2026-08-13T21:05:05+00:00","discovered_at":"2026-08-13T21:06:01.448792+00:00","generated_at":"2026-08-13T21:06:06.610180+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 $3.00 quarterly dividend payable Oct 1, 2026","bullets":["NewMarket Corporation (NYSE: NEU) declared a quarterly dividend of $3.00 per share on common stock.","Dividend payable October 1, 2026 to shareholders of record at close of business September 15, 2026.","Company operates through subsidiaries Afton Chemical, Ethyl, AMPAC, and Calca Solutions."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-349568","json":"https://secwatch.observer/filing/0001193125-26-349568.json","markdown":"https://secwatch.observer/filing/0001193125-26-349568.md","text":"https://secwatch.observer/filing/0001193125-26-349568.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1282637/000119312526349568/0001193125-26-349568-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1282637/000119312526349568/d157718d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-13T21:06:06.610180+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"}