{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-202980","form_type":"8-K","ticker":"NEU","cik":"0001282637","company_name":"NEWMARKET CORP","filed_at":"2023-08-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:33.427421+00:00","generated_at":"2026-06-12T07:23:45.380038+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"dividend","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"NewMarket declares $2.25 quarterly dividend; Director Patrick Hanley retires from board","bullets":["Board declared quarterly dividend of $2.25 per share, payable October 2, 2023 to holders of record September 15, 2023.","Patrick D. Hanley retired from the Board effective August 3, 2023; retirement not due to any disagreement with the Company.","Dividend is consistent with prior quarterly payments; no change in rate indicated."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-202980","json":"https://secwatch.observer/filing/0001193125-23-202980.json","markdown":"https://secwatch.observer/filing/0001193125-23-202980.md","text":"https://secwatch.observer/filing/0001193125-23-202980.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1282637/000119312523202980/0001193125-23-202980-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1282637/000119312523202980/d532935d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-12T07:23:45.380038+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":"8ab3273b0a","claim":"Patrick D. Hanley retired as Director at NEWMARKET CORP.","evidence_excerpt":"On August 3, 2023, Patrick D. Hanley notified the Board of Directors (the “Board”) of NewMarket Corporation (the “Company”) that he will retire from the Board effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1282637/000119312523202980/0001193125-23-202980-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"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"}