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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
11-KFORM 11-KMay 18, 20268-KShareholder Vote · Company UpdateApr 23, 202610-Q10-QApr 23, 20268-KResults of OperationsApr 22, 2026DEFA14ADEFA14AMar 12, 2026DEF 14ADEF 14AMar 12, 20268-KCompany UpdateFeb 26, 20268-KExecutive ChangeFeb 26, 20268-KExecutive ChangeFeb 18, 202610-KFORM 10-KFeb 12, 20268-KResults of OperationsFeb 11, 2026SC 13D/ASC 13D/AJan 7, 20268-KExecutive ChangeDec 9, 20258-KExecutive ChangeNov 5, 202510-Q10-QOct 31, 20258-KResults of OperationsOct 30, 20258-KCompany UpdateOct 30, 20258-KCompany UpdateAug 7, 202510-Q10-QJul 31, 20258-KResults of OperationsJul 30, 202511-KFORM 11-KMay 22, 20258-KShareholder Vote · Company UpdateApr 24, 202510-Q10-QApr 24, 20258-KResults of OperationsApr 23, 2025DEFA14ADEFA14AMar 12, 2025DEF 14ADEF 14AMar 12, 20258-KCompany UpdateFeb 27, 202510-KFORM 10-KFeb 14, 20258-KResults of OperationsFeb 3, 20258-K/AExecutive ChangeDec 12, 20248-KCompany UpdateDec 12, 20248-KCompany UpdateOct 24, 202410-Q10-QOct 24, 20248-KResults of OperationsOct 23, 20248-KExecutive ChangeOct 3, 20248-KCompany UpdateAug 8, 202410-Q10-QJul 30, 20248-KResults of OperationsJul 29, 202411-KFORM 11-KMay 29, 20248-KShareholder Vote · Company UpdateApr 25, 202410-Q10-QApr 25, 20248-KResults of OperationsApr 24, 2024DEFA14ADEFA14AMar 11, 2024DEF 14ADEF 14AMar 11, 20248-K/ACompany UpdateFeb 28, 20248-KCompany UpdateFeb 22, 202410-KFORM 10-KFeb 15, 20248-KResults of OperationsJan 31, 20248-KMaterial Agreement · Agreement TerminatedJan 25, 20248-KAcquisition / Disposition · New Debt / ObligationJan 22, 20248-KMaterial Agreement · Company UpdateDec 4, 20238-KCompany UpdateOct 26, 20238-KExecutive ChangeOct 26, 202310-Q10-QOct 26, 20238-KResults of OperationsOct 26, 20238-KExecutive Change · Company UpdateAug 3, 202310-Q10-QJul 27, 20238-KResults of OperationsJul 26, 20238-KExecutive ChangeJun 28, 202311-KFORM 11-KMay 31, 20238-KExecutive Change · Shareholder VoteApr 27, 202310-Q10-QApr 27, 20238-KResults of OperationsApr 26, 2023DEFA14ADEFA14AMar 10, 2023DEF 14ADEF 14AMar 10, 20238-KCompany UpdateFeb 23, 202310-KFORM 10-KFeb 15, 20238-KResults of OperationsJan 31, 20238-K/AExecutive ChangeDec 16, 20228-KExecutive ChangeOct 31, 20228-KCompany UpdateOct 27, 202210-Q10-QOct 25, 20228-KResults of OperationsOct 24, 20228-KCompany UpdateAug 4, 202210-Q10-QAug 3, 20228-KResults of OperationsAug 2, 202211-KFORM 11-KJun 2, 2022SC 13GSC 13GMay 23, 20228-KShareholder Vote · Company UpdateApr 28, 202210-Q10-QApr 28, 2022

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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