Bruce R. Hazelgrove III - 05 Feb 2026 Form 4 Insider Report for NEWMARKET CORP (NEU)

Reporting relationship: EVP & CAO
Issuer ticker: NEU
Reported as of: 05 Feb 2026
Net transaction value: -$109,377
SEC form: 4
Accepted by SEC: 09 Feb 2026, 16:30:14 UTC
Prior SEC filing: 14 May 2025
Source filing: View source filing
Reporting owner signature: /s/ Anne-Marie Anderson (by Power of Attorney for Bruce R. Hazelgrove, III)

Key filing fact

Bruce R. Hazelgrove III filed Form 4 for NEWMARKET CORP (NEU) on 09 Feb 2026.

Key facts

This page summarizes Bruce R. Hazelgrove III's Form 4 filing for NEWMARKET CORP (NEU).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 09 Feb 2026, 16:30.

Change

Previous filing in this sequence was filed on 14 May 2025.
Current net transaction value: -$109,377.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001318864 Primary reporting owner

Hazelgrove Bruce R III

Relationship: EVP & CAO
Address: 330 SOUTH FOURTH STREET, RICHMOND
Signature: /s/ Anne-Marie Anderson (by Power of Attorney for Bruce R. Hazelgrove, III)
Signature date: 09 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NEU transaction

Common Stock

Award

Transaction value: $0
Shares: +475
Change %: +133%
Price: $0.000000
Shares after: 833
Date: 05 Feb 2026
Ownership: Direct
Footnotes: F1

NEU transaction

Common Stock

Tax liability

Transaction value: $109,377
Shares: -153
Change %: -18%
Price: $714.88
Shares after: 680
Date: 05 Feb 2026
Ownership: Direct
Footnotes: F2

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 21,906
Date: 05 Feb 2026
Ownership: NewMarket Savings Plan
Footnotes: F3

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 670
Date: 05 Feb 2026
Ownership: Shares held by wife

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote 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.

Footnote F2

Shares withheld by the Company to satisfy tax withholding obligations related to the Performance Stock that vested on February 5, 2026.

Footnote F3

The increase in shares is due to periodic purchases by the Plan Trustee pursuant to the Plan.