Skip to main content
NEWMARKET CORP logo

NEWMARKET CORP — Investor Relations & Filings

Ticker · NEU ISIN · US6515871076 LEI · 54930082CG88ERDREQ47 US Manufacturing
Open in API
Filings indexed 1,022 across all filing types
Latest filing 2026-05-18 Regulatory Filings
Country US United States of America
Listing US NEU

About NEWMARKET CORP

https://www.newmarket.com/

NewMarket Corporation is a holding company that operates through its subsidiaries, primarily Afton Chemical Corporation and Ethyl Corporation. The company's core business is the development, manufacturing, and sale of petroleum additives. These chemical components are critical for enhancing the performance of lubricants and fuels. Afton Chemical's products are used in a wide range of applications, including engine oils, transmission fluids, industrial lubricants, and fuels, to improve efficiency, durability, and cleanliness in machinery and vehicles.

Recent filings

Filing Released Lang Actions
FORM 11-K
Regulatory Filings
2026-05-18 English
8-K - NEWMARKET CORP (0001282637) (Filer)
Declaration of Voting Results & Voting Rights Announcements Classification · 95% confidence The document is a Form 8-K filed with the SEC, dated April 23, 2026, reporting the results of the 2026 Annual Meeting of Shareholders. It includes detailed voting results on director elections, ratification of the independent auditor, and advisory approval of executive compensation. Additionally, it announces a dividend declaration. The key content is the submission of matters to a vote of security holders, which aligns with the category for Declaration of Voting Results & Voting Rights Announcements (DVA). The document is not a full annual report or proxy statement but a current report focused on voting results and dividend declaration. Therefore, the appropriate classification is DVA with high confidence.
2026-04-23 English
10-Q - NEWMARKET CORP (0001282637) (Filer)
Interim / Quarterly Report Q1 2026
2026-04-23 English
8-K - NEWMARKET CORP (0001282637) (Filer)
Earnings Release Classification · 95% confidence The document is a Form 8-K filed with the SEC, dated April 22, 2026, reporting the earnings for the first quarter ended March 31, 2026. It includes a press release regarding earnings as Exhibit 99.1. The text explicitly states it is a current report on Form 8-K and references earnings results. The document length is 3643 characters, which is relatively short and primarily contains an earnings announcement rather than detailed financial statements or analysis. According to the definitions, an initial announcement of quarterly financial results with key highlights corresponds to an Earnings Release (ER). Therefore, this document is best classified as an Earnings Release (ER).
2026-04-22 English
8-K - NEWMARKET CORP (0001282637) (Filer)
Notice of Dividend Amount Classification · 95% confidence The document is a Form 8-K current report filed with the SEC, dated February 26, 2026. The key content is the announcement that the company's Board of Directors declared a dividend of $3.00 per share, payable on April 1, 2026, to shareholders of record on March 16, 2026. The document includes a press release about the quarterly dividend. There are no financial statements or detailed financial data, only a dividend declaration announcement. According to the filing definitions, announcements of dividend amounts and payment details fall under the category 'Notice of Dividend Amount' (DIV). The document length is 3145 characters, which is relatively short and consistent with a dividend announcement rather than a full financial report. Therefore, the correct classification is DIV with high confidence.
2026-02-26 English
8-K - NEWMARKET CORP (0001282637) (Filer)
Board/Management Information Classification · 95% confidence The document is a Form 8-K filed with the SEC, which is used for current reports on significant events. The key content is the election of a new director, Bruce R. Hazelgrove, III, to the Board of Directors. This is an announcement of a change in the company's board of directors. There are no financial statements or detailed financial data presented, so it is not an Annual Report or Interim Report. The document is specifically about a board/management change, which fits the category of Board/Management Information (MANG). The document length is 3521 characters, which is typical for an 8-K filing announcing a director change. Therefore, the correct classification is MANG with high confidence.
2026-02-26 English

Browse filings by year

21 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.