Newmarket Corp SEC filings NEU
Newmarket Corp has 1,000 filings in SEC EDGAR's recent list, going back to Aug 2, 2006. Its latest annual report, Form ARS, was filed on Mar 12, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 29, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 11-K | Employee savings plan report | May 18, 2026 | Dec 31, 2025 |
| 11-K | Employee savings plan report | May 22, 2025 | Dec 31, 2024 |
| 11-K | Employee savings plan report | May 29, 2024 | Dec 31, 2023 |
| 11-K | Employee savings plan report | May 31, 2023 | Dec 31, 2022 |
| 11-K | Employee savings plan report | Jun 2, 2022 | Dec 31, 2021 |
| 11-K | Employee savings plan report | Jun 2, 2021 | Dec 31, 2020 |
| 11-K | Employee savings plan report | Jun 8, 2020 | Dec 31, 2019 |
| 11-K | Employee savings plan report | Jun 6, 2019 | Dec 31, 2018 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2019 | — |
| 11-K | Employee savings plan report | Jun 7, 2018 | Dec 31, 2017 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2018 | — |
| 11-K | Employee savings plan report | Jun 7, 2017 | Dec 31, 2016 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2017 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2016 | — |
| 11-K | Employee savings plan report | May 16, 2016 | Dec 31, 2015 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2015 | — |
| 11-K | Employee savings plan report | May 15, 2015 | Dec 31, 2014 |
| SD | Specialized disclosure (conflict minerals) | Jun 2, 2014 | — |
| 11-K | Employee savings plan report | May 22, 2014 | Dec 31, 2013 |
| 11-K | Employee savings plan report | Jun 13, 2013 | Dec 31, 2012 |
| EFFECT | Filing | Mar 22, 2013 | — |
| UPLOAD | Letter from the SEC | Dec 18, 2012 | — |
| CORRESP | Letter to the SEC | Dec 13, 2012 | — |
| UPLOAD | Letter from the SEC | Nov 30, 2012 | — |
| 11-K | Employee savings plan report | Jun 13, 2012 | Dec 31, 2011 |
| UPLOAD | Letter from the SEC | Jan 3, 2012 | — |
| CORRESP | Letter to the SEC | Dec 16, 2011 | — |
| UPLOAD | Letter from the SEC | Dec 6, 2011 | — |
| CORRESP | Letter to the SEC | Nov 23, 2011 | — |
| UPLOAD | Letter from the SEC | Nov 15, 2011 | — |
| 11-K | Employee savings plan report | Jun 15, 2011 | Dec 31, 2010 |
| 11-K | Employee savings plan report | Jun 22, 2010 | Dec 31, 2009 |
| UPLOAD | Letter from the SEC | Feb 1, 2010 | — |
| CORRESP | Letter to the SEC | Jan 27, 2010 | — |
| UPLOAD | Letter from the SEC | Jan 21, 2010 | — |
| CORRESP | Letter to the SEC | Dec 23, 2009 | — |
| UPLOAD | Letter from the SEC | Dec 10, 2009 | — |
| 11-K | Employee savings plan report | Jun 5, 2009 | Dec 31, 2008 |
| 11-K | Employee savings plan report | Jun 11, 2008 | Dec 31, 2007 |
| 11-K | Employee savings plan report | Jun 25, 2007 | Dec 31, 2006 |
| EFFECT | Filing | Apr 10, 2007 | — |
Showing 41 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Industrial Organic Chemicals (SIC 2860)
- Listed as
- NEU (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- VA
- Headquarters
- Richmond, VA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1282637
Other Industrial Organic Chemicals companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.