<SEC-DOCUMENT>0001209191-21-044471-index.html : 20210701
<SEC-HEADER>0001209191-21-044471.hdr.sgml : 20210701
<ACCEPTANCE-DATETIME>20210701170723
ACCESSION NUMBER:		0001209191-21-044471
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210701
FILED AS OF DATE:		20210701
DATE AS OF CHANGE:		20210701

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HANLEY PATRICK D
		CENTRAL INDEX KEY:			0001266217

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32190
		FILM NUMBER:		211066848

	MAIL ADDRESS:	
		STREET 1:		1000 SEMMES AVE
		CITY:			RICHMOND
		STATE:			VA
		ZIP:			23224

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NEWMARKET CORP
		CENTRAL INDEX KEY:			0001282637
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL ORGANIC CHEMICALS [2860]
		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>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
Document 1 - file: doc4.html

Document 1 - RAW XML: doc4.xml

</DOCUMENT>
</SEC-DOCUMENT>