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NewMarket Corp SEC Filings
What NewMarket Corp has told the SEC happened, by the 8-K items and forms it filed under: when it reported results, who joined or left, what it bought or sold, and whether its auditor or its accounts ever changed.
NEU overview →Filings on file
118
since Oct 27, 2016
Warning signs
0
none filed
Last results
Jul 29, 2026
8-K item 2.02
Industry
Industrial Organic Chemicals
SIC 2860
Newest first
Each label is a form type or an 8-K item as filed; each row links to the filing.
| Filed | What it reports | Document |
|---|---|---|
| Feb 26, 2026 | Executive or director change 8-K | Read ↗ |
| Feb 18, 2026 | Executive or director change 8-K | Read ↗ |
| Dec 9, 2025 | Executive or director change 8-K | Read ↗ |
| Nov 5, 2025 | Executive or director change 8-K | Read ↗ |
| Dec 12, 2024 | Executive or director change 8-K/A | Read ↗ |
| Oct 3, 2024 | Executive or director change 8-K | Read ↗ |
| Oct 26, 2023 | Executive or director change 8-K | Read ↗ |
| Aug 3, 2023 | Executive or director change 8-K | Read ↗ |
| Jun 28, 2023 | Executive or director change 8-K | Read ↗ |
| Apr 27, 2023 | Executive or director changeShareholder vote 8-K | Read ↗ |
| Dec 16, 2022 | Executive or director change 8-K/A | Read ↗ |
| Oct 31, 2022 | Executive or director change 8-K | Read ↗ |
| Feb 24, 2022 | Executive or director change 8-K | Read ↗ |
| Jul 17, 2020 | Executive or director change 8-K | Read ↗ |
| Feb 12, 2019 | Executive or director change 8-K | Read ↗ |
| Nov 19, 2018 | Executive or director change 8-K | Read ↗ |
| May 17, 2018 | Executive or director change 8-K | Read ↗ |
| Feb 26, 2018 | Executive or director change 8-K | Read ↗ |
| Jan 26, 2018 | Executive or director change 8-K | Read ↗ |
| Feb 8, 2017 | Executive or director change 8-K | Read ↗ |
| Dec 14, 2016 | Executive or director change 8-K | Read ↗ |
Source: NewMarket Corp's EDGAR filing history, the last ten years. The labels are the form types and 8-K item numbers the company filed under, not a reading of what it wrote — an item 5.02 can be a chief executive fired or a director retiring on schedule — so each row links to the filing.
More on NEU
Company overviewEverything on NEU in one place, with the price.Insider tradingWhat NEU's own officers and directors buy and sell.Who owns itEvery manager reporting a position in NEU.Funds holding itWhich funds and ETFs hold NEU, and how big a bet.Federal contractsWhat federal agencies pay NEU.PatentsWhat NEU is filing at the patent office.