<SEC-DOCUMENT>0001628280-24-023547-index.html : 20240515
<SEC-HEADER>0001628280-24-023547.hdr.sgml : 20240515
<ACCEPTANCE-DATETIME>20240515160734
ACCESSION NUMBER:		0001628280-24-023547
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20240515
DATE AS OF CHANGE:		20240515

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Merck & Co., Inc.
		CENTRAL INDEX KEY:			0000310158
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				221918501
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-278066
		FILM NUMBER:		24950537

	BUSINESS ADDRESS:	
		STREET 1:		2000 GALLOPING HILL ROAD
		CITY:			KENILWORTH
		STATE:			NJ
		ZIP:			07033
		BUSINESS PHONE:		908-740-4000

	MAIL ADDRESS:	
		STREET 1:		2000 GALLOPING HILL ROAD
		CITY:			KENILWORTH
		STATE:			NJ
		ZIP:			07033

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Merck & Co. Inc.
		DATE OF NAME CHANGE:	20091103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SCHERING PLOUGH CORP
		DATE OF NAME CHANGE:	19920703

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MSD Netherlands Capital B.V.
		CENTRAL INDEX KEY:			0002022710
		ORGANIZATION NAME:           	
		IRS NUMBER:				981788174
		STATE OF INCORPORATION:			P7
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-278066-01
		FILM NUMBER:		24950538

	BUSINESS ADDRESS:	
		STREET 1:		WAARDERWEG 39
		CITY:			HAARLEM
		STATE:			P7
		ZIP:			2031 BN
		BUSINESS PHONE:		31 23 5153 153

	MAIL ADDRESS:	
		STREET 1:		WAARDERWEG 39
		CITY:			HAARLEM
		STATE:			P7
		ZIP:			2031 BN
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>merckco-424bprelim.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: merckco-424bprelim.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>companyoverview1b.jpg
<TEXT>
Document 2 - file: companyoverview1b.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>msdlogo.jpg
<TEXT>
Document 3 - file: msdlogo.jpg

</DOCUMENT>
</SEC-DOCUMENT>