    <SEC-DOCUMENT>0001193125-23-129114-index.html : 20230501
    <SEC-HEADER>0001193125-23-129114.hdr.sgml : 20230501
    <ACCEPTANCE-DATETIME>20230501093759
    ACCESSION NUMBER:		0001193125-23-129114
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20221231
    FILED AS OF DATE:		20230501
    DATE AS OF CHANGE:		20230501
    EFFECTIVENESS DATE:		20230501

    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:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-21937
    		FILM NUMBER:		23870735

    	BUSINESS ADDRESS:
    		STREET 1:		1220 CONCORD AVENUE
    		STREET 2:		SUITE 600
    		CITY:			CONCORD
    		STATE:			CA
    		ZIP:			94520
    		BUSINESS PHONE:		9252886000

    	MAIL ADDRESS:
    		STREET 1:		1220 CONCORD AVENUE
    		STREET 2:		SUITE 600
    		CITY:			CONCORD
    		STATE:			CA
    		ZIP:			94520

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CERUS TECHNOLOGIES INC
    		DATE OF NAME CHANGE:	19960731
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>d370851dars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: d370851dars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>