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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1282637	Newmarket Corp	NEU	Industrial Organic Chemicals (2860)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1318864	Iii R Bruce Hazelgrove	330 South Fourth Street Richmond VA 23219	Evp & Cao	No	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2024-08-09	1,237	$544.28	391	No	4	S	Direct
Common Stock	Disposition	2024-08-09	33	$545.36	358	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	21,800	Indirect	NewMarket Savings Plan
Common Stock	670	Indirect	Shares held by wife

Footnotes

The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $544.25 to $544.38, inclusive. The reporting person undertakes to provide to NewMarket Corporation, any security holder of NewMarket Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote as well as in footnote 2.
The price reported in column 4 is a weighted average price. These shares were sold in multiple transaction at prices ranging from $545.04 to $545.54, inclusive.
The increase in shares is due to periodic purchases by the Plan Trustee pursuant to the Plan.