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 |
|---|---|---|---|
| 8-K |
Current report
Other events
|
Oct 29, 2026 | Oct 29, 2026 |
| 10-Q | Quarterly report | Oct 29, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2026 | Oct 28, 2026 |
| 8-K |
Current report
Other events
|
Aug 13, 2026 | Aug 13, 2026 |
| 10-Q | Quarterly report | Jul 30, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2026 | Jul 29, 2026 |
| 11-K | Employee savings plan report | May 18, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Apr 23, 2026 | Apr 23, 2026 |
| 10-Q | Quarterly report | Apr 23, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 22, 2026 | Apr 22, 2026 |
| ARS | Annual report to shareholders | Mar 12, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 12, 2026 | — |
| DEF 14A | Proxy statement | Mar 12, 2026 | Apr 23, 2026 |
| 8-K |
Current report
Other events
|
Feb 26, 2026 | Feb 26, 2026 |
| 8-K |
Current report
Officer or director change
|
Feb 26, 2026 | Feb 26, 2026 |
| 8-K |
Current report
Officer or director change
|
Feb 18, 2026 | Feb 18, 2026 |
| 10-K | Annual report | Feb 12, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 11, 2026 | Feb 11, 2026 |
| 8-K |
Current report
Officer or director change
|
Dec 9, 2025 | Dec 9, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 5, 2025 | Oct 31, 2025 |
| 10-Q | Quarterly report | Oct 31, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2025 | Oct 30, 2025 |
| 8-K |
Current report
Other events
|
Oct 30, 2025 | Oct 30, 2025 |
| 8-K |
Current report
Other events
|
Aug 7, 2025 | Aug 7, 2025 |
| 10-Q | Quarterly report | Jul 31, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2025 | Jul 30, 2025 |
| 11-K | Employee savings plan report | May 22, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Apr 24, 2025 | Apr 24, 2025 |
| 10-Q | Quarterly report | Apr 24, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 23, 2025 | Apr 23, 2025 |
| ARS | Annual report to shareholders | Mar 12, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 12, 2025 | — |
| DEF 14A | Proxy statement | Mar 12, 2025 | Apr 24, 2025 |
| 8-K |
Current report
Other events
|
Feb 27, 2025 | Feb 27, 2025 |
| 10-K | Annual report | Feb 14, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 3, 2025 | Feb 3, 2025 |
| 8-K/A |
Amended current report
Officer or director change
|
Dec 12, 2024 | Oct 1, 2024 |
| 8-K |
Current report
Other events
|
Dec 12, 2024 | Dec 12, 2024 |
| 8-K |
Current report
Other events
|
Oct 24, 2024 | Oct 24, 2024 |
| 10-Q | Quarterly report | Oct 24, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 23, 2024 | Oct 23, 2024 |
| 8-K |
Current report
Officer or director change
|
Oct 3, 2024 | Oct 1, 2024 |
| 8-K |
Current report
Other events
|
Aug 8, 2024 | Aug 8, 2024 |
| 10-Q | Quarterly report | Jul 30, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2024 | Jul 29, 2024 |
| 11-K | Employee savings plan report | May 29, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Apr 25, 2024 | Apr 25, 2024 |
| 10-Q | Quarterly report | Apr 25, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 24, 2024 | Apr 24, 2024 |
| ARS | Annual report to shareholders | Mar 11, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Mar 11, 2024 | — |
| DEF 14A | Proxy statement | Mar 11, 2024 | Apr 25, 2024 |
| 8-K/A | Amended current report | Feb 28, 2024 | Jan 16, 2024 |
| S-3ASR | Automatic shelf registration | Feb 27, 2024 | — |
| 8-K |
Current report
Other events
|
Feb 22, 2024 | Feb 22, 2024 |
| 10-K | Annual report | Feb 15, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Jan 31, 2024 | Jan 31, 2024 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Jan 25, 2024 | Jan 22, 2024 |
| 8-K |
Current report
Acquisition or sale of assets, New debt
|
Jan 22, 2024 | Jan 16, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Dec 4, 2023 | Dec 1, 2023 |
| 8-K |
Current report
Other events
|
Oct 26, 2023 | Oct 26, 2023 |
| 8-K |
Current report
Officer or director change
|
Oct 26, 2023 | Oct 26, 2023 |
| 10-Q | Quarterly report | Oct 26, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 26, 2023 | Oct 25, 2023 |
| 8-K |
Current report
Officer or director change, Other events
|
Aug 3, 2023 | Aug 3, 2023 |
| 10-Q | Quarterly report | Jul 27, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 26, 2023 | Jul 26, 2023 |
| 8-K |
Current report
Officer or director change
|
Jun 28, 2023 | Jun 26, 2023 |
| S-8 | Employee stock plan registration | Jun 20, 2023 | — |
| 11-K | Employee savings plan report | May 31, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
Apr 27, 2023 | Apr 27, 2023 |
| 10-Q | Quarterly report | Apr 27, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
Apr 26, 2023 | Apr 26, 2023 |
| ARS | Annual report to shareholders | Mar 10, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Mar 10, 2023 | — |
| DEF 14A | Proxy statement | Mar 10, 2023 | — |
| 8-K |
Current report
Other events
|
Feb 23, 2023 | Feb 23, 2023 |
| 10-K | Annual report | Feb 15, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Jan 31, 2023 | Jan 31, 2023 |
| 8-K/A |
Amended current report
Officer or director change
|
Dec 16, 2022 | Oct 27, 2022 |
| 8-K |
Current report
Officer or director change
|
Oct 31, 2022 | Oct 27, 2022 |
| 8-K |
Current report
Other events
|
Oct 27, 2022 | Oct 27, 2022 |
| 10-Q | Quarterly report | Oct 25, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Oct 24, 2022 | Oct 24, 2022 |
| 8-K |
Current report
Other events
|
Aug 4, 2022 | Aug 4, 2022 |
| 10-Q | Quarterly report | Aug 3, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2022 | Aug 2, 2022 |
| 11-K | Employee savings plan report | Jun 2, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Apr 28, 2022 | Apr 28, 2022 |
| 10-Q | Quarterly report | Apr 28, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
Apr 27, 2022 | Apr 27, 2022 |
| DEFA14A | Additional proxy material | Mar 11, 2022 | — |
| DEF 14A | Proxy statement | Mar 11, 2022 | Apr 28, 2022 |
| 8-K |
Current report
Officer or director change, Other events
|
Feb 24, 2022 | Feb 24, 2022 |
| 10-K | Annual report | Feb 15, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 2, 2022 | Feb 2, 2022 |
| 8-K |
Current report
Other events
|
Oct 28, 2021 | Oct 28, 2021 |
| 10-Q | Quarterly report | Oct 26, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Oct 25, 2021 | Oct 25, 2021 |
| 8-K |
Current report
Other events
|
Aug 5, 2021 | Aug 5, 2021 |
| 10-Q | Quarterly report | Jul 29, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2021 | Jul 28, 2021 |
| 11-K | Employee savings plan report | Jun 2, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Apr 23, 2021 | Apr 22, 2021 |
| 8-K |
Current report
Other events
|
Apr 22, 2021 | Apr 22, 2021 |
| 10-Q | Quarterly report | Apr 22, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
Apr 21, 2021 | Apr 21, 2021 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Mar 18, 2021 | Mar 18, 2021 |
| DEFA14A | Additional proxy material | Mar 11, 2021 | — |
| DEF 14A | Proxy statement | Mar 11, 2021 | Apr 22, 2021 |
| 424B5 | Prospectus supplement | Mar 5, 2021 | — |
| FWP | Free writing prospectus | Mar 4, 2021 | — |
| 424B5 | Prospectus supplement | Mar 4, 2021 | — |
| S-3ASR | Automatic shelf registration | Mar 2, 2021 | — |
| 8-K |
Current report
Other events
|
Feb 25, 2021 | Feb 25, 2021 |
| 10-K | Annual report | Feb 16, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 3, 2021 | Feb 3, 2021 |
| 10-Q | Quarterly report | Oct 29, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2020 | Oct 28, 2020 |
| 8-K |
Current report
Other events
|
Oct 22, 2020 | Oct 22, 2020 |
| 8-K |
Current report
Other events
|
Aug 6, 2020 | Aug 6, 2020 |
| 10-Q | Quarterly report | Jul 30, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2020 | Jul 29, 2020 |
| 8-K |
Current report
Officer or director change
|
Jul 17, 2020 | Jul 16, 2020 |
| 11-K | Employee savings plan report | Jun 8, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Apr 24, 2020 | Apr 23, 2020 |
| 8-K |
Current report
Other events
|
Apr 23, 2020 | Apr 23, 2020 |
| 10-Q | Quarterly report | Apr 23, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
Apr 22, 2020 | Apr 22, 2020 |
| DEFA14A | Additional proxy material | Apr 2, 2020 | — |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Mar 11, 2020 | Mar 5, 2020 |
| DEFA14A | Additional proxy material | Mar 11, 2020 | — |
| DEF 14A | Proxy statement | Mar 11, 2020 | Apr 23, 2020 |
| 8-K |
Current report
Other events
|
Feb 27, 2020 | Feb 27, 2020 |
| 10-K | Annual report | Feb 18, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 3, 2020 | Feb 3, 2020 |
| 8-K |
Current report
Other events
|
Oct 24, 2019 | Oct 24, 2019 |
| 10-Q | Quarterly report | Oct 24, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Oct 23, 2019 | Oct 23, 2019 |
| 8-K |
Current report
Other events
|
Aug 1, 2019 | Aug 1, 2019 |
| 10-Q | Quarterly report | Aug 1, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2019 | Jul 31, 2019 |
| 11-K | Employee savings plan report | Jun 6, 2019 | Dec 31, 2018 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2019 | — |
| 8-K |
Current report
Shareholder vote results, Other events
|
Apr 25, 2019 | Apr 25, 2019 |
| 10-Q | Quarterly report | Apr 25, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations
|
Apr 25, 2019 | Apr 24, 2019 |
| DEFA14A | Additional proxy material | Mar 13, 2019 | — |
| DEF 14A | Proxy statement | Mar 13, 2019 | Apr 25, 2019 |
| 8-K |
Current report
Other events
|
Feb 28, 2019 | Feb 28, 2019 |
| 10-K | Annual report | Feb 19, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Officer or director change
|
Feb 12, 2019 | Feb 6, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2019 | Feb 6, 2019 |
| 8-K |
Current report
Other events
|
Dec 13, 2018 | Dec 13, 2018 |
| 8-K |
Current report
Officer or director change
|
Nov 19, 2018 | Nov 16, 2018 |
| 8-K |
Current report
Other events
|
Oct 25, 2018 | Oct 25, 2018 |
| 10-Q | Quarterly report | Oct 25, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Results of operations
|
Oct 24, 2018 | Oct 24, 2018 |
| 8-K |
Current report
Other events
|
Aug 9, 2018 | Aug 9, 2018 |
| 10-Q | Quarterly report | Aug 9, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2018 | Aug 8, 2018 |
| 11-K | Employee savings plan report | Jun 7, 2018 | Dec 31, 2017 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2018 | — |
| 8-K |
Current report
Officer or director change
|
May 17, 2018 | May 15, 2018 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Apr 26, 2018 | Apr 26, 2018 |
| 10-Q | Quarterly report | Apr 26, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Results of operations
|
Apr 25, 2018 | Apr 25, 2018 |
| DEFA14A | Additional proxy material | Mar 13, 2018 | — |
| DEF 14A | Proxy statement | Mar 13, 2018 | Apr 26, 2018 |
| 8-K |
Current report
Officer or director change
|
Feb 26, 2018 | Feb 22, 2018 |
| 8-K |
Current report
Other events
|
Feb 22, 2018 | Feb 22, 2018 |
| 10-K | Annual report | Feb 15, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2018 | Feb 6, 2018 |
| 8-K |
Current report
Officer or director change
|
Jan 26, 2018 | Jan 23, 2018 |
| 8-K |
Current report
Other events
|
Oct 26, 2017 | Oct 26, 2017 |
| 10-Q | Quarterly report | Oct 26, 2017 | Sep 30, 2017 |
| 8-K |
Current report
Results of operations
|
Oct 25, 2017 | Oct 25, 2017 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Sep 26, 2017 | Sep 22, 2017 |
| 8-K |
Current report
Other events
|
Aug 3, 2017 | Aug 3, 2017 |
| 10-Q | Quarterly report | Aug 3, 2017 | Jun 30, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2017 | Aug 2, 2017 |
| 8-K |
Current report
Other events
|
Jul 3, 2017 | Jun 30, 2017 |
| 11-K | Employee savings plan report | Jun 7, 2017 | Dec 31, 2016 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2017 | — |
| 8-K |
Current report
Shareholder vote results, Other events
|
Apr 27, 2017 | Apr 27, 2017 |
| 10-Q | Quarterly report | Apr 27, 2017 | Mar 31, 2017 |
| 8-K |
Current report
Results of operations
|
Apr 26, 2017 | Apr 26, 2017 |
| DEFA14A | Additional proxy material | Mar 13, 2017 | — |
| DEF 14A | Proxy statement | Mar 13, 2017 | Apr 27, 2017 |
| 8-K |
Current report
Other events
|
Feb 23, 2017 | Feb 23, 2017 |
| 10-K | Annual report | Feb 15, 2017 | Dec 31, 2016 |
| 8-K |
Current report
Officer or director change
|
Feb 8, 2017 | Feb 3, 2017 |
| 8-K |
Current report
Results of operations
|
Jan 31, 2017 | Jan 31, 2017 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Jan 5, 2017 | Jan 4, 2017 |
| 8-K |
Current report
Material agreement, Other events
|
Dec 19, 2016 | Dec 16, 2016 |
| 8-K |
Current report
Officer or director change
|
Dec 14, 2016 | Dec 12, 2016 |
| 8-K |
Current report
Results of operations, Other events
|
Oct 27, 2016 | Oct 26, 2016 |
| 10-Q | Quarterly report | Oct 27, 2016 | Sep 30, 2016 |
| 8-K |
Current report
Agreement ended
|
Sep 9, 2016 | Sep 7, 2016 |
| 8-K |
Current report
Other events
|
Aug 11, 2016 | Aug 11, 2016 |
Showing 200 filings, the most recent 200. 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.