{"schema_version":"secwatch.filing_event.v1","accession":"0001282637-23-000008","form_type":"8-K","ticker":"NEU","cik":"0001282637","company_name":"NEWMARKET CORP","filed_at":"2023-04-26T23:59:59+00:00","discovered_at":"2026-05-14T18:03:38.258916+00:00","generated_at":"2026-06-16T11:57:55.574438+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"NewMarket Q1 net income $97.6M ($10.09 EPS) vs $59.3M YoY","bullets":["Net income $97.6M ($10.09 diluted EPS) vs $59.3M ($5.75) in Q1 2022.","Petroleum additives revenue $700.0M (+6% YoY); operating profit $132.1M vs $86.9M.","Shipments declined 15.4% YoY due to economic slowdown and customer destocking.","Returned $48.8M to shareholders: $20.3M dividends and $28.5M share repurchases.","Rolling four-quarter operating margin 15.2%, at lower end of long-term range; Net Debt/EBITDA 1.7x."],"urls":{"canonical":"https://secwatch.observer/filing/0001282637-23-000008","json":"https://secwatch.observer/filing/0001282637-23-000008.json","markdown":"https://secwatch.observer/filing/0001282637-23-000008.md","text":"https://secwatch.observer/filing/0001282637-23-000008.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1282637/000128263723000008/0001282637-23-000008-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1282637/000128263723000008/neu-20230426.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-16T11:57:55.574438+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":"bf912c42bb2ce828f77618fa2fb84ff196056c10","claim":"NEWMARKET CORP reported first quarter of 2023 results: net income $97.6 million, EPS $10.09 per share.","evidence_excerpt":"Net income for the first quarter of 2023 was $97.6 million, or $10.09 per share, compared to net income of $59.3 million, or $5.75 per share, for the first quarter of 2022.","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1282637/000128263723000008/0001282637-23-000008-index.htm","confidence":0.95,"family_label":"Earnings Releases","details":[{"label":"Period","value":"first quarter of 2023"},{"label":"Net income","value":"$97.6 million"},{"label":"EPS","value":"$10.09 per share"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}