{"filing":{"accession_number":"0001282637-26-000015","cik":"0001282637","ticker":"NEU","company_name":"NEWMARKET CORP","form":"8-K","filing_date":"2026-07-29","report_date":"2026-07-29","primary_document":"neu-20260729.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1282637/000128263726000015/neu-20260729.htm"},"events":[{"id":21795,"run_id":19666,"accession_number":"0001282637-26-000015","anchor_item_number":"2.02","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"summary":"NewMarket Corporation issued a press release on July 29, 2026 disclosing its second quarter and first half 2026 financial results, including net income of $133.8 million ($14.54 per share) for Q2 2026 and $251.8 million ($27.14 per share) for the first half, compared to prior-year periods. The filing explicitly states this is an earnings report furnished as Exhibit 99.1, which is the standard format for earnings releases under Item 2.02 of Form 8-K.","company_name":"NEWMARKET CORP","ticker":"NEU","filing_date":"2026-07-29","form":"8-K","submitted_at":null,"items":[{"id":21522,"accession_number":"0001282637-26-000015","item_number":"2.02","item_title":"Results of Operations and Financial Condition","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"NewMarket Corporation issued a press release on July 29, 2026 disclosing its second quarter and first half 2026 financial results, including net income of $133.8 million ($14.54 per share) for Q2 2026 and $251.8 million ($27.14 per share) for the first half, compared to prior-year periods. The filing explicitly states this is an earnings report furnished as Exhibit 99.1, which is the standard format for earnings releases under Item 2.02 of Form 8-K.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-30T00:20:38.966685+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":21522,"accession_number":"0001282637-26-000015","item_number":"2.02","item_title":"Results of Operations and Financial Condition","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"NewMarket Corporation issued a press release on July 29, 2026 disclosing its second quarter and first half 2026 financial results, including net income of $133.8 million ($14.54 per share) for Q2 2026 and $251.8 million ($27.14 per share) for the first half, compared to prior-year periods. The filing explicitly states this is an earnings report furnished as Exhibit 99.1, which is the standard format for earnings releases under Item 2.02 of Form 8-K.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-30T00:20:38.966685+00:00","company_name":"NEWMARKET CORP","ticker":"NEU","filing_date":"2026-07-29"}]}