How many insider trades does FilingIQ track for NEU?

FilingIQ tracks 249 Form 4 insider transactions for NEU (NEWMARKET CORP), covering filings from Feb 25, 2015 onwards. 19 of those were filed in the last 90 days.

Are NEU insiders net buyers or net sellers?

Across the full Form 4 history for NEU, 3 transactions (1%) were open-market purchases and 32 (13%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does NEU insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is NEU in?

NEWMARKET CORP (NEU) is classified in the Basic Materials sector, specifically Specialty Chemicals, with a current market capitalisation of $5.77B.

NEU insider trading

NYSE Basic Materials

NEWMARKET CORP — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

249

Last 90 days

Buys / sells

1% / 13%

Market cap

$5.77B

About NEWMARKET CORP

NewMarket Corporation, through its subsidiaries, primarily engages in the manufacture and sale of petroleum additives. It offers lubricant additives for use in various vehicle and industrial applications, including engine oils, transmission fluids, off-road powertrain and hydraulic systems, gear oils, hydraulic oils, turbine oils, and other applications where metal-to-metal moving parts are utilized; engine oil additives designed for passenger cars, motorcycles, on and off-road heavy duty commercial equipment, locomotives, and engines in ocean-going vessels; driveline additives designed for products, such as transmission fluids, axle fluids, and off-road powertrain fluids; and industrial additives designed for products for industrial applications consisting of hydraulic fluids, greases, industrial gear fluids, and industrial specialty applications comprising turbine oils. The company also provides fuel additives that are used to enhance the oil refining process and the performance of gasoline, diesel, biofuels, and other fuels to industry, government, original equipment manufacturers, and individual customers. In addition, it engages in the marketing of antiknock compounds, as well as contracted manufacturing and related services; and owns and manages a real property in Virginia. The company operates in North America, Latin America, the Asia Pacific, Europe, the Middle East, Africa, India, and internationally. NewMarket Corporation was founded in 1887 and is headquartered in Richmond, Virginia.

Company website: www.newmarket.com

NEU insider activity at a glance

FilingIQ has scored 249 insider transactions for NEU since Feb 25, 2015. The most recent filing in our index is dated Feb 24, 2026.

Across the full history, 3 open-market purchases and 32 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on NEU insider trades is 63.8/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live NEU trades on FilingIQ Raw filings on SEC EDGAR

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Frequently asked

How many insider trades does FilingIQ track for NEU?: FilingIQ tracks 249 Form 4 insider transactions for NEU (NEWMARKET CORP), covering filings from Feb 25, 2015 onwards. 19 of those were filed in the last 90 days.
Are NEU insiders net buyers or net sellers?: Across the full Form 4 history for NEU, 3 transactions (1%) were open-market purchases and 32 (13%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does NEU insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is NEU in?: NEWMARKET CORP (NEU) is classified in the Basic Materials sector, specifically Specialty Chemicals, with a current market capitalisation of $5.77B.

Methodology & sources

Every NEU insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.