<SEC-DOCUMENT>0001209191-21-059754-index.html : 20211005
<SEC-HEADER>0001209191-21-059754.hdr.sgml : 20211005
<ACCEPTANCE-DATETIME>20211005214116
ACCESSION NUMBER:		0001209191-21-059754
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211001
FILED AS OF DATE:		20211005
DATE AS OF CHANGE:		20211005

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Clark Daniel Emmett
		CENTRAL INDEX KEY:			0001874449

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39482
		FILM NUMBER:		211308683

	MAIL ADDRESS:	
		STREET 1:		C/O SEMA4 HOLDINGS CORP
		STREET 2:		333 LUDLOW STREET, NORTH TOWER, 8TH FL.
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06902

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Sema4 Holdings Corp.
		CENTRAL INDEX KEY:			0001818331
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HEALTH SERVICES [8000]
		IRS NUMBER:				851966622
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		333 LUDLOW STREET
		STREET 2:		NORTH TOWER, 8TH FLOOR
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06902
		BUSINESS PHONE:		617 780 8742

	MAIL ADDRESS:	
		STREET 1:		333 LUDLOW STREET
		STREET 2:		NORTH TOWER, 8TH FLOOR
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06902

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CM Life Sciences, Inc.
		DATE OF NAME CHANGE:	20200715
</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>