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NEWMARKET CORP

Industrial Organic Chemicals · VA · CIK 1282637

NewMarket Corporation is a holding company whose subsidiaries manufacture and sell petroleum additives, specialty materials, and antiknock compounds

$7.66B
Market cap
$790.39
Last close
-0.3%
1D
+1.3%
5D
74K
Volume
Price · last 39 sessions+16.2%
May 4L $679.14 · H $840.18Jun 29
403
Total filings
May 18, 2026
Last filing
12/31
Fiscal year end

Insider Activity

In the 90 days to Feb 24, 2026: 1 insider bought $248K.

DateInsiderActionSharesPriceValue
Feb 24, 2026Xu TingDirectorBuy400$619.21$248K

Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.

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