NEU - Company ID 0001282637
NEWMARKET CORP has filed 1,091 public company documents between 2004 and 2026. The most frequent type is insider trade (382 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Type | Filing | Filed | Period covered | Open |
|---|---|---|---|---|
| SC 13D/A | Activist ownership stake (update) | 1y ago2024-11-27 | - | View filing |
| SC 13D/A | Activist ownership stake (update) | 1y ago2024-11-27 | - | View filing |
| SC 13D/A | Activist ownership stake (update) | 4y ago2021-10-29 | - | View filing |
| SC 13D/A | Activist ownership stake (update) | 11y ago2014-07-15 | - | View filing |
| SC 13D/A | Activist ownership stake (update) | 16y ago2010-07-08 | - | View filing |
| SC 13D/A | Activist ownership stake (update) | 17y ago2008-08-27 | - | View filing |
| SC 13D/A | Activist ownership stake (update) | 18y ago2008-05-27 | - | View filing |
| SC 13D/A | Activist ownership stake (update) | 19y ago2007-02-16 | - | View filing |
| SC 13D/A | Activist ownership stake (update) | 19y ago2006-08-18 | - | View filing |
| SC 13D/A | Activist ownership stake (update) | 20y ago2006-03-24 | - | View filing |
| SC 13D/A | Activist ownership stake (update) | 20y ago2005-08-30 | - | View filing |