NEWMARKET CORP (NEU) Insider Trading Disclosures
NEWMARKET CORP (NEU) is a publicly traded company on the NYSE, categorized under SIC 2860 (Industrial Organic Chemicals). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: NEU
CIK: 1282637
Exchange: NYSE
SIC 2860: Industrial Organic Chemicals
Fiscal Year End: 12/31
State: VA
Independent PCAOB Auditor
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Audit Firm
PricewaterhouseCoopers LLP
Auditor SinceSince 12/31/2025 12:00:00 AM
Lead Engagement PartnerRobert Vallejo
Audit LocationRichmond, Virginia, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 4 | 2026-10-06 | 2026-10-02 | 4 | 0001193125-26-415634 | View SEC Doc Filr Page |
| 4 | 2026-09-10 | 2026-09-09 | 4 | 0001193125-26-387935 | View SEC Doc Filr Page |
| 8-K | 2026-08-13 | 2026-08-13 | 8-K | 0001193125-26-349568 | View SEC Doc Filr Page |
| 10-Q | 2026-07-30 | 2026-06-30 | 10-Q | 0001282637-26-000016 | View SEC Doc Filr Page |
| 8-K | 2026-07-29 | 2026-07-29 | 8-K | 0001282637-26-000015 | View SEC Doc Filr Page |
| 4 | 2026-07-01 | 2026-07-01 | 4 | 0001193125-26-292653 | View SEC Doc Filr Page |
| 4 | 2026-07-01 | 2026-07-01 | 4 | 0001193125-26-292652 | View SEC Doc Filr Page |
| 4 | 2026-07-01 | 2026-07-01 | 4 | 0001193125-26-292641 | View SEC Doc Filr Page |
| 4 | 2026-07-01 | 2026-07-01 | 4 | 0001193125-26-292651 | View SEC Doc Filr Page |
| 4 | 2026-07-01 | 2026-07-01 | 4 | 0001193125-26-292638 | View SEC Doc Filr Page |
| 4 | 2026-06-29 | 2026-06-18 | 4 | 0001193125-26-288549 | View SEC Doc Filr Page |
| 4 | 2026-06-08 | 2026-06-04 | 4 | 0001193125-26-261837 | View SEC Doc Filr Page |
| 11-K | 2026-05-18 | 2025-12-31 | FORM 11-K | 0001282637-26-000012 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-05-14 | — | SCHEDULE 13G/A Filing | 0000070858-26-000289 | View SEC Doc Filr Page |
| 8-K | 2026-04-23 | 2026-04-23 | 8-K | 0001193125-26-173975 | View SEC Doc Filr Page |
| 10-Q | 2026-04-23 | 2026-03-31 | 10-Q | 0001282637-26-000009 | View SEC Doc Filr Page |
| 8-K | 2026-04-22 | 2026-04-22 | 8-K | 0001282637-26-000008 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-03-27 | — | SCHEDULE 13G/A Filing | 0000102909-26-001937 | View SEC Doc Filr Page |
| ARS | 2026-03-12 | 2025-12-31 | ARS | 0001193125-26-102979 | View SEC Doc Filr Page |
| DEFA14A | 2026-03-12 | — | DEFA14A | 0001193125-26-102977 | View SEC Doc Filr Page |
| DEF 14A | 2026-03-12 | 2026-04-23 | DEF 14A | 0001193125-26-102973 | View SEC Doc Filr Page |
| 8-K | 2026-02-26 | 2026-02-26 | 8-K | 0001193125-26-077261 | View SEC Doc Filr Page |
| 8-K | 2026-02-26 | 2026-02-26 | 8-K | 0001193125-26-077235 | View SEC Doc Filr Page |
| 4 | 2026-02-25 | 2026-02-24 | 4 | 0001193125-26-071771 | View SEC Doc Filr Page |
| 3 | 2026-02-20 | 2026-02-18 | 3 | 0001193125-26-061528 | View SEC Doc Filr Page |