Thomas E. Gottwald) - 04 Jun 2026 Form 4 Insider Report for NEWMARKET CORP (NEU)

Reporting relationship: Chairman, President & CEO, Director
Issuer ticker: NEU
Reported as of: 04 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 08 Jun 2026, 16:30:13 UTC
Prior SEC filing: 20 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Anne-Marie Anderson, (by Power of Attorney for Thomas E. Gottwald)

Key filing fact

Thomas E. Gottwald) filed Form 4 for NEWMARKET CORP (NEU) on 08 Jun 2026.

Key facts

This page summarizes Thomas E. Gottwald)'s Form 4 filing for NEWMARKET CORP (NEU).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 08 Jun 2026, 16:30.

Change

Previous filing in this sequence was filed on 20 Feb 2026.
Current net transaction value: $0.

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 0001246518 Primary reporting owner

GOTTWALD THOMAS E

Relationship: Chairman, President & CEO, Director
Address: 330 SOUTH FOURTH STREET, RICHMOND
Signature: /s/ Anne-Marie Anderson, (by Power of Attorney for Thomas E. Gottwald)
Signature date: 08 Jun 2026

Reported non-derivative transactions

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

NEU transaction

Common Stock

Gift

Transaction value
Shares: -1,500
Change %: -1.3%
Price: $0.000000^*
Shares after: 116,635
Date: 04 Jun 2026
Ownership: Direct

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,147
Date: 04 Jun 2026
Ownership: Shares held by wife

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 0
Date: 04 Jun 2026
Ownership: Shares held as trustee for grandchild (trust 1)
Footnotes: F1

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 0
Date: 04 Jun 2026
Ownership: Shares held as trustee for grandchild (trust 2)
Footnotes: F1

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,830
Date: 04 Jun 2026
Ownership: Shares held as trustee for grandchild (trust 3)

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 0
Date: 04 Jun 2026
Ownership: Shares held as trustee for grandchild (trust 4)
Footnotes: F1

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,436
Date: 04 Jun 2026
Ownership: Shares held as trustee for grandchild (trust 5)

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,186
Date: 04 Jun 2026
Ownership: Shares held as trustee for grandchild (trust 6)

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,164
Date: 04 Jun 2026
Ownership: Shares held as trustee for grandchild (trust 7)

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 807
Date: 04 Jun 2026
Ownership: Shares held as trustee for grandchild (trust 8)

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 618
Date: 04 Jun 2026
Ownership: Shares held as trustee for grandchild (trust 9)

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 0
Date: 04 Jun 2026
Ownership: Shares held as trustee for grandchild (trust 10)
Footnotes: F1

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 363
Date: 04 Jun 2026
Ownership: Shares held as trustee for grandchild (trust 11)

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 378
Date: 04 Jun 2026
Ownership: Shares held as trustee for grandchild (trust 12)

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 363
Date: 04 Jun 2026
Ownership: Shares held as trustee for grandchild (trust 13)

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 40,199
Date: 04 Jun 2026
Ownership: NewMarket Savings Plan
Footnotes: F2

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 46,407
Date: 04 Jun 2026
Ownership: Shares held as co-trustee fbo (among others reporting Floyd D. Gottwald)

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 6,889
Date: 04 Jun 2026
Ownership: Shares held as co-trustee fbo children dtd. 12/16/1991

NEU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 143,837
Date: 04 Jun 2026
Ownership: 2025 GRAT

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The reporting person no longer serves as trustee of the applicable trust and therefore will no longer report shares held by the applicable trust.

Footnote F2

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

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