Bryce D. Jewett III - 05 Feb 2026 Form 4 Insider Report for NEWMARKET CORP (NEU)

Role
EVP and General Counsel
Signature
/s/ Anne-Marie Anderson (by Power of Attorney for Bryce D. Jewett,III)
Issuer symbol
NEU
Transactions as of
05 Feb 2026
Net transactions value
-$97,224
Form type
4
Filing time
09 Feb 2026, 16:30:12 UTC
Previous filing
19 Jul 2023
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Jewett Bryce Dickinson III EVP and General Counsel 330 SOUTH FOURTH STREET, RICHMOND /s/ Anne-Marie Anderson (by Power of Attorney for Bryce D. Jewett,III) 09 Feb 2026 0001818486

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NEU Common Stock Award $0 +415 +239% $0.000000 589 05 Feb 2026 Direct F1
transaction NEU Common Stock Tax liability $97,224 -136 -23% $714.88 453 05 Feb 2026 Direct F2
holding NEU Common Stock 222 05 Feb 2026 NewMarket Savings Plan F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On February 5, 2026, the Compensation Committee certified attainment of the performance goals for certain performance-based restricted stock awards ("Performance Stock"). The Performance Stock settled with shares of common stock.
F2 Shares withheld by the Company to satisfy tax withholding obligations related to the Performance Stock that vested on February 5, 2026.
F3 The increase in shares is due to periodic purchases by the Plan Trustee pursuant to the Plan.