Newmarket NEU SEC Filings

NYSE NEU
$876.35 -8.63 (-0.98%)
As of: Oct 22, 2026 · 3:59 PM EDT
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
14Insider Transaction0001193125-26-415634Oct 6, 2026 12:30 AM
24Insider Transaction0001193125-26-387935Sep 10, 2026 8:30 PM
38-KCurrent Report0001193125-26-349568Aug 13, 2026 5:05 PM
410-QQuarterly & Annual Report0001282637-26-000016Jul 30, 2026 8:42 AM
58-KCurrent Report0001282637-26-000015Jul 29, 2026 5:17 PM
64Insider Transaction0001193125-26-292653Jul 1, 2026 8:30 PM
74Insider Transaction0001193125-26-292652Jul 1, 2026 8:30 PM
84Insider Transaction0001193125-26-292641Jul 1, 2026 8:30 PM
94Insider Transaction0001193125-26-292651Jul 1, 2026 8:30 PM
104Insider Transaction0001193125-26-292638Jul 1, 2026 8:30 PM
114Insider Transaction0001193125-26-288549Jun 29, 2026 8:30 PM
124Insider Transaction0001193125-26-261837Jun 8, 2026 8:30 PM
1311-KOthers0001282637-26-000012May 18, 2026 9:27 AM
148-KCurrent Report0001193125-26-173975Apr 23, 2026 9:05 PM
158-KCurrent Report0001193125-26-173975Apr 23, 2026 9:05 PM
168-KCurrent Report0001193125-26-173975Apr 23, 2026 9:05 PM
1710-QQuarterly & Annual Report0001282637-26-000009Apr 23, 2026 12:53 PM
1810-QQuarterly & Annual Report0001282637-26-000009Apr 23, 2026 12:53 PM
1910-QQuarterly & Annual Report0001282637-26-000009Apr 23, 2026 12:53 PM
208-KCurrent Report0001282637-26-000008Apr 22, 2026 9:13 PM
218-KCurrent Report0001282637-26-000008Apr 22, 2026 9:13 PM
228-KCurrent Report0001282637-26-000008Apr 22, 2026 9:13 PM
23SCHEDULE 13GBeneficial Ownership Report0000102909-26-001937Mar 27, 2026 3:05 PM
24ARSOthers0001193125-26-102979Mar 12, 2026 10:08 AM
25DEFA14AOthers0001193125-26-102977Mar 12, 2026 10:07 AM
26DEF 14AOthers0001193125-26-102973Mar 12, 2026 10:06 AM
278-KCurrent Report0001193125-26-077261Feb 26, 2026 10:05 PM
288-KCurrent Report0001193125-26-077235Feb 26, 2026 10:00 PM
294Insider Transaction0001193125-26-071771Feb 25, 2026 9:30 PM
304Insider Transaction0001193125-26-071771Feb 25, 2026 9:30 PM
314Insider Transaction0001193125-26-071771Feb 25, 2026 9:30 PM
323Insider Transaction0001193125-26-061528Feb 20, 2026 9:45 PM
333Insider Transaction0001193125-26-061528Feb 20, 2026 9:45 PM
343Insider Transaction0001193125-26-061528Feb 20, 2026 9:45 PM
354Insider Transaction0001193125-26-061513Feb 20, 2026 9:41 PM
364Insider Transaction0001193125-26-061513Feb 20, 2026 9:41 PM
374Insider Transaction0001193125-26-061513Feb 20, 2026 9:41 PM
384Insider Transaction0001193125-26-061459Feb 20, 2026 9:30 PM
394Insider Transaction0001193125-26-061459Feb 20, 2026 9:30 PM
404Insider Transaction0001193125-26-061459Feb 20, 2026 9:30 PM
414Insider Transaction0001193125-26-061458Feb 20, 2026 9:30 PM
424Insider Transaction0001193125-26-061458Feb 20, 2026 9:30 PM
434Insider Transaction0001193125-26-061458Feb 20, 2026 9:30 PM
448-KCurrent Report0001193125-26-057420Feb 18, 2026 10:10 PM
4510-KQuarterly & Annual Report0001282637-26-000005Feb 12, 2026 5:13 PM
468-KCurrent Report0001282637-26-000003Feb 11, 2026 10:26 PM
474Insider Transaction0001193125-26-042886Feb 9, 2026 9:30 PM
484Insider Transaction0001193125-26-042886Feb 9, 2026 9:30 PM
494Insider Transaction0001193125-26-042886Feb 9, 2026 9:30 PM
504Insider Transaction0001193125-26-042885Feb 9, 2026 9:30 PM
...

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