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NEUNYSE
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
DEFA14ADEFA14AMar 12, 2026DEFA14ADEFA14AMar 12, 2025DEFA14ADEFA14AMar 11, 2024DEFA14ADEFA14AMar 10, 2023DEFA14ADEFA14AMar 11, 2022DEFA14ADEFA14AMar 11, 2021DEFA14ADEFA14AApr 2, 2020DEFA14ADEFA14AMar 11, 2020DEFA14ADEFA14AMar 13, 2019DEFA14ADEFINITIVE ADDITIONAL MATERIALSMar 13, 2018DEFA14ADEFA14AMar 13, 2017DEFA14ADEFA14AMar 14, 2016DEFA14ADEFINITIVE ADDITIONAL MATERIALSMar 11, 2015DEFA14ANOTICE AND ACCESSMar 10, 2014DEFA14ADEFINITIVE ADDITIONAL MATERIALSMar 12, 2013DEFA14ADEFINITIVE ADDITIONAL MATERIALSMar 13, 2012DEFA14AADDITIONAL MATERIALSMar 8, 2011DEFA14ADEFA14AFeb 26, 2010DEFA14AADDITIONAL PROXY MATERIALSMar 13, 2009DEFA14AADDITIONAL DEFINITIVE MATERIALSMar 11, 2008DEFA14ADEFINITIVE ADDITIONAL MATERIALSMar 29, 2007
Insider Activity
In the 90 days to Feb 24, 2026: 1 insider bought $248K.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Feb 24, 2026 | Xu TingDirector | Buy | 400 | $619.21 | $248K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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