<SEC-DOCUMENT>0001193125-17-383505-index.html : 20171229
<SEC-HEADER>0001193125-17-383505.hdr.sgml : 20171229
<ACCEPTANCE-DATETIME>20171229160822
ACCESSION NUMBER:		0001193125-17-383505
CONFORMED SUBMISSION TYPE:	S-3/A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20171229
DATE AS OF CHANGE:		20171229

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CERUS CORP
		CENTRAL INDEX KEY:			0001020214
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				680262011
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-219727
		FILM NUMBER:		171282051

	BUSINESS ADDRESS:	
		STREET 1:		2550 STANWELL DRIVE
		CITY:			CONCORD
		STATE:			CA
		ZIP:			94520
		BUSINESS PHONE:		9252886000

	MAIL ADDRESS:	
		STREET 1:		2550 STANWELL DRIVE
		STREET 2:		STE 300
		CITY:			CONCORD
		STATE:			CA
		ZIP:			94520

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CERUS TECHNOLOGIES INC
		DATE OF NAME CHANGE:	19960731
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3/A
<SEQUENCE>1
<FILENAME>d516993ds3a.htm
<DESCRIPTION>S-3/A
<TEXT>
Document 1 - file: d516993ds3a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>d516993dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 2 - file: d516993dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g516993g38z19.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g516993g38z19.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g516993g41z17.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g516993g41z17.jpg

</DOCUMENT>
</SEC-DOCUMENT>