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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
8-KShareholder Vote · Company UpdateApr 23, 20268-KResults of OperationsApr 22, 20268-KCompany UpdateFeb 26, 20268-KExecutive ChangeFeb 26, 20268-KExecutive ChangeFeb 18, 20268-KResults of OperationsFeb 11, 20268-KExecutive ChangeDec 9, 20258-KExecutive ChangeNov 5, 20258-KResults of OperationsOct 30, 20258-KCompany UpdateOct 30, 20258-KCompany UpdateAug 7, 20258-KResults of OperationsJul 30, 20258-KShareholder Vote · Company UpdateApr 24, 20258-KResults of OperationsApr 23, 20258-KCompany UpdateFeb 27, 20258-KResults of OperationsFeb 3, 20258-KCompany UpdateDec 12, 20248-KCompany UpdateOct 24, 20248-KResults of OperationsOct 23, 20248-KExecutive ChangeOct 3, 20248-KCompany UpdateAug 8, 20248-KResults of OperationsJul 29, 20248-KShareholder Vote · Company UpdateApr 25, 20248-KResults of OperationsApr 24, 20248-KCompany UpdateFeb 22, 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, 20238-KResults of OperationsOct 26, 20238-KExecutive Change · Company UpdateAug 3, 20238-KResults of OperationsJul 26, 20238-KExecutive ChangeJun 28, 20238-KExecutive Change · Shareholder VoteApr 27, 20238-KResults of OperationsApr 26, 20238-KCompany UpdateFeb 23, 20238-KResults of OperationsJan 31, 20238-KExecutive ChangeOct 31, 20228-KCompany UpdateOct 27, 20228-KResults of OperationsOct 24, 20228-KCompany UpdateAug 4, 20228-KResults of OperationsAug 2, 20228-KShareholder Vote · Company UpdateApr 28, 20228-KResults of OperationsApr 27, 20228-KExecutive Change · Company UpdateFeb 24, 20228-KResults of OperationsFeb 2, 20228-KCompany UpdateOct 28, 20218-KResults of OperationsOct 25, 20218-KCompany UpdateAug 5, 20218-KResults of OperationsJul 28, 20218-KShareholder VoteApr 23, 20218-KCompany UpdateApr 22, 20218-KResults of OperationsApr 21, 20218-KMaterial Agreement · New Debt / ObligationMar 18, 20218-KCompany UpdateFeb 25, 20218-KResults of OperationsFeb 3, 20218-KResults of OperationsOct 28, 20208-KCompany UpdateOct 22, 20208-KCompany UpdateAug 6, 20208-KResults of OperationsJul 30, 20208-KExecutive ChangeJul 17, 20208-KShareholder VoteApr 24, 20208-KCompany UpdateApr 23, 20208-KResults of OperationsApr 22, 20208-KMaterial Agreement · Agreement TerminatedMar 11, 20208-KCompany UpdateFeb 27, 20208-KResults of OperationsFeb 3, 20208-KCompany UpdateOct 24, 20198-KResults of OperationsOct 23, 20198-KCompany UpdateAug 1, 20198-KResults of OperationsJul 31, 20198-KShareholder Vote · Company UpdateApr 25, 20198-KResults of OperationsApr 25, 20198-KCompany UpdateFeb 28, 20198-KExecutive ChangeFeb 12, 20198-KResults of OperationsFeb 6, 20198-KCompany UpdateDec 13, 20188-KExecutive ChangeNov 19, 2018
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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