Newmarket NEU SEC Filings

NYSE NEU
$697.86 +1.52 (+0.22%)
At close: Nov 11, 2026 · 4:00 PM EST
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Newmarket Corp (NEU) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0001193125-26-438002Oct 29, 2026 9:05 PM
210-QQuarterly & Annual Report0001282637-26-000020Oct 29, 2026 12:48 PM
38-KCurrent Report0001282637-26-000019Oct 28, 2026 9:12 PM
44Insider Transaction0001193125-26-415634Oct 6, 2026 12:30 AM
54Insider Transaction0001193125-26-387935Sep 10, 2026 8:30 PM
68-KCurrent Report0001193125-26-349568Aug 13, 2026 9:05 PM
710-QQuarterly & Annual Report0001282637-26-000016Jul 30, 2026 12:42 PM
88-KCurrent Report0001282637-26-000015Jul 29, 2026 9:17 PM
94Insider Transaction0001193125-26-292653Jul 1, 2026 8:30 PM
104Insider Transaction0001193125-26-292652Jul 1, 2026 8:30 PM
114Insider Transaction0001193125-26-292641Jul 1, 2026 8:30 PM
124Insider Transaction0001193125-26-292651Jul 1, 2026 8:30 PM
134Insider Transaction0001193125-26-292638Jul 1, 2026 8:30 PM
144Insider Transaction0001193125-26-288549Jun 29, 2026 8:30 PM
154Insider Transaction0001193125-26-261837Jun 8, 2026 8:30 PM
1611-KOthers0001282637-26-000012May 18, 2026 1:27 PM
17SCHEDULE 13GBeneficial Ownership Report0000070858-26-000289May 14, 2026 6:46 PM
188-KCurrent Report0001193125-26-173975Apr 23, 2026 9:05 PM
1910-QQuarterly & Annual Report0001282637-26-000009Apr 23, 2026 12:53 PM
208-KCurrent Report0001282637-26-000008Apr 22, 2026 9:13 PM
21SCHEDULE 13GBeneficial Ownership Report0000102909-26-001937Mar 27, 2026 3:05 PM
22ARSOthers0001193125-26-102979Mar 12, 2026 10:08 AM
23DEFA14AOthers0001193125-26-102977Mar 12, 2026 10:07 AM
24DEF 14AOthers0001193125-26-102973Mar 12, 2026 10:06 AM
258-KCurrent Report0001193125-26-077261Feb 26, 2026 10:05 PM
268-KCurrent Report0001193125-26-077235Feb 26, 2026 10:00 PM
274Insider Transaction0001193125-26-071771Feb 25, 2026 9:30 PM
283Insider Transaction0001193125-26-061528Feb 20, 2026 9:45 PM
294Insider Transaction0001193125-26-061513Feb 20, 2026 9:41 PM
304Insider Transaction0001193125-26-061459Feb 20, 2026 9:30 PM
314Insider Transaction0001193125-26-061458Feb 20, 2026 9:30 PM
328-KCurrent Report0001193125-26-057420Feb 18, 2026 10:10 PM
3310-KQuarterly & Annual Report0001282637-26-000005Feb 12, 2026 5:13 PM
348-KCurrent Report0001282637-26-000003Feb 11, 2026 10:26 PM
354Insider Transaction0001193125-26-042886Feb 9, 2026 9:30 PM
364Insider Transaction0001193125-26-042885Feb 9, 2026 9:30 PM
374Insider Transaction0001193125-26-042883Feb 9, 2026 9:30 PM
384Insider Transaction0001193125-26-042882Feb 9, 2026 9:30 PM
39SCHEDULE 13DBeneficial Ownership Report0001193125-26-006618Jan 7, 2026 10:50 PM
408-KCurrent Report0001193125-25-312832Dec 9, 2025 9:32 PM
414Insider Transaction0001193125-25-312814Dec 9, 2025 9:30 PM
424Insider Transaction0001193125-25-297729Nov 25, 2025 11:43 PM
438-KCurrent Report0001193125-25-267201Nov 5, 2025 10:01 PM
4410-QQuarterly & Annual Report0001282637-25-000024Oct 31, 2025 1:23 PM
458-KCurrent Report0001282637-25-000023Oct 30, 2025 9:27 PM
468-KCurrent Report0001193125-25-258809Oct 30, 2025 9:05 PM
474Insider Transaction0000950170-25-113241Sep 5, 2025 7:35 PM
484Insider Transaction0000950170-25-112851Sep 3, 2025 8:43 PM
49SCHEDULE 13GBeneficial Ownership Report0001398344-25-015406Aug 14, 2025 1:00 PM
508-KCurrent Report0001193125-25-175561Aug 7, 2025 9:06 PM
...

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