https://www.developersdigest.tech/markets/neu/filings Latest company filings for NEWMARKET CORP (NEU) - annual reports, quarterly reports, major events, and insider trades, newest first. en Fri, 10 Jul 2026 04:35:02 GMT https://www.sec.gov/Archives/edgar/data/1282637/000128263726000012/neu-20251231.htm 0001282637-26-000012 Mon, 18 May 2026 12:00:00 GMT 11-K https://www.sec.gov/Archives/edgar/data/1282637/000128263726000009/neu-20260331.htm 0001282637-26-000009 Thu, 23 Apr 2026 12:00:00 GMT 10-Q https://www.sec.gov/Archives/edgar/data/1282637/000119312526173975/d127448d8k.htm 0001193125-26-173975 Thu, 23 Apr 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1282637/000128263726000008/neu-20260422.htm 0001282637-26-000008 Wed, 22 Apr 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1282637/000010290926001937/xslSCHEDULE_13G_X02/primary_doc.xml 0000102909-26-001937 Fri, 27 Mar 2026 12:00:00 GMT SCHEDULE 13G/A 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https://www.sec.gov/Archives/edgar/data/1282637/000119312526061513/xslF345X05/ownership.xml 0001193125-26-061513 Fri, 20 Feb 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1282637/000119312526061459/xslF345X05/ownership.xml 0001193125-26-061459 Fri, 20 Feb 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1282637/000119312526061458/xslF345X05/ownership.xml 0001193125-26-061458 Fri, 20 Feb 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1282637/000119312526057420/d22589d8k.htm 0001193125-26-057420 Wed, 18 Feb 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1282637/000128263726000005/neu-20251231.htm 0001282637-26-000005 Thu, 12 Feb 2026 12:00:00 GMT 10-K https://www.sec.gov/Archives/edgar/data/1282637/000128263726000003/neu-20260211.htm 0001282637-26-000003 Wed, 11 Feb 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1282637/000119312526042886/xslF345X05/ownership.xml 0001193125-26-042886 Mon, 09 Feb 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1282637/000119312526042885/xslF345X05/ownership.xml 0001193125-26-042885 Mon, 09 Feb 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1282637/000119312526042883/xslF345X05/ownership.xml 0001193125-26-042883 Mon, 09 Feb 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1282637/000119312526042882/xslF345X05/ownership.xml 0001193125-26-042882 Mon, 09 Feb 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1282637/000119312526006618/xslSCHEDULE_13D_X01/primary_doc.xml 0001193125-26-006618 Wed, 07 Jan 2026 12:00:00 GMT SCHEDULE 13D/A https://www.sec.gov/Archives/edgar/data/1282637/000119312525312832/d13653d8k.htm 0001193125-25-312832 Tue, 09 Dec 2025 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1282637/000119312525312814/xslF345X05/ownership.xml 0001193125-25-312814 Tue, 09 Dec 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1282637/000119312525297729/xslF345X05/ownership.xml 0001193125-25-297729 Tue, 25 Nov 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1282637/000119312525267201/d751254d8k.htm 0001193125-25-267201 Wed, 05 Nov 2025 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1282637/000128263725000024/neu-20250930.htm 0001282637-25-000024 Fri, 31 Oct 2025 12:00:00 GMT 10-Q https://www.sec.gov/Archives/edgar/data/1282637/000128263725000023/neu-20251030.htm 0001282637-25-000023 Thu, 30 Oct 2025 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1282637/000119312525258809/d86154d8k.htm 0001193125-25-258809 Thu, 30 Oct 2025 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1282637/000095017025113241/xslF345X05/ownership.xml 0000950170-25-113241 Fri, 05 Sep 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1282637/000095017025112851/xslF345X05/ownership.xml 0000950170-25-112851 Wed, 03 Sep 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1282637/000139834425015406/xslSCHEDULE_13G_X01/primary_doc.xml 0001398344-25-015406 Thu, 14 Aug 2025 12:00:00 GMT SCHEDULE 13G/A https://www.sec.gov/Archives/edgar/data/1282637/000119312525175561/d21648d8k.htm 0001193125-25-175561 Thu, 07 Aug 2025 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1282637/000128263725000016/neu-20250630.htm 0001282637-25-000016 Thu, 31 Jul 2025 12:00:00 GMT 10-Q https://www.sec.gov/Archives/edgar/data/1282637/000128263725000015/neu-20250730.htm 0001282637-25-000015 Wed, 30 Jul 2025 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1282637/000093247125000974/xslSCHEDULE_13G_X01/primary_doc.xml 0000932471-25-000974 Tue, 29 Jul 2025 12:00:00 GMT SCHEDULE 13G/A https://www.sec.gov/Archives/edgar/data/1282637/000095017025092290/xslF345X05/ownership.xml 0000950170-25-092290 Tue, 01 Jul 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1282637/000095017025092288/xslF345X05/ownership.xml 0000950170-25-092288 Tue, 01 Jul 2025 12:00:00 GMT 4 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12:00:00 GMT 144 https://www.sec.gov/Archives/edgar/data/1282637/000128263725000010/neu-20250331.htm 0001282637-25-000010 Thu, 24 Apr 2025 12:00:00 GMT 10-Q https://www.sec.gov/Archives/edgar/data/1282637/000119312525093701/d930463d8k.htm 0001193125-25-093701 Thu, 24 Apr 2025 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1282637/000095017025058160/xslF345X05/ownership.xml 0000950170-25-058160 Thu, 24 Apr 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1282637/000095017025058135/xslF345X05/ownership.xml 0000950170-25-058135 Thu, 24 Apr 2025 12:00:00 GMT 4