<SEC-DOCUMENT>0000950170-24-080581-index.html : 20240702
<SEC-HEADER>0000950170-24-080581.hdr.sgml : 20240702
<ACCEPTANCE-DATETIME>20240702163826
ACCESSION NUMBER:		0000950170-24-080581
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20240701
FILED AS OF DATE:		20240702
DATE AS OF CHANGE:		20240702

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GAMBILL MARK M
		CENTRAL INDEX KEY:			0001170913
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32190
		FILM NUMBER:		241096219

	MAIL ADDRESS:	
		STREET 1:		5555 CONCORD PARKWAY SOUTH
		CITY:			CONCORD
		STATE:			NC
		ZIP:			28027

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NEWMARKET CORP
		CENTRAL INDEX KEY:			0001282637
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL ORGANIC CHEMICALS [2860]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		330 S FOURTH ST
		STREET 2:		PO BOX 2189
		CITY:			RICHMOND
		STATE:			VA
		ZIP:			23218-2189
		BUSINESS PHONE:		804-788-5000

	MAIL ADDRESS:	
		STREET 1:		330 S FOURTH ST
		STREET 2:		PO BOX 2189
		CITY:			RICHMOND
		STATE:			VA
		ZIP:			23218-2189
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>4
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>2
<FILENAME>neu-ex24_1.htm
<DESCRIPTION>EX-24.1
<TEXT>
Document 2 - file: neu-ex24_1.htm

</DOCUMENT>
</SEC-DOCUMENT>