    <SEC-DOCUMENT>0000950170-23-000348-index.html : 20230106
    <SEC-HEADER>0000950170-23-000348.hdr.sgml : 20230106
    <ACCEPTANCE-DATETIME>20230106165442
    ACCESSION NUMBER:		0000950170-23-000348
    CONFORMED SUBMISSION TYPE:	424B5
    PUBLIC DOCUMENT COUNT:		9
    FILED AS OF DATE:		20230106
    DATE AS OF CHANGE:		20230106

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			GERON CORP
    		CENTRAL INDEX KEY:			0000886744
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		IRS NUMBER:				752287752
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		424B5
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-269111
    		FILM NUMBER:		23515675

    	BUSINESS ADDRESS:
    		STREET 1:		919 EAST HILLSDALE BOULEVARD
    		STREET 2:		SUITE 250
    		CITY:			FOSTER CITY
    		STATE:			CA
    		ZIP:			94404
    		BUSINESS PHONE:		6504737700

    	MAIL ADDRESS:
    		STREET 1:		919 EAST HILLSDALE BOULEVARD
    		STREET 2:		SUITE 250
    		CITY:			FOSTER CITY
    		STATE:			CA
    		ZIP:			94404

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	GERON CORPORATION
    		DATE OF NAME CHANGE:	19960521
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>424B5
    <SEQUENCE>1
    <FILENAME>gern010623.htm
    <DESCRIPTION>424B5
    <TEXT>
    Document 1 - file: gern010623.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-FILING FEES
    <SEQUENCE>2
    <FILENAME>gern-exfiling_fees.htm
    <DESCRIPTION>EX-FILING FEES
    <TEXT>
    Document 2 - file: gern-exfiling_fees.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>img175210594_0.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: img175210594_0.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>img175210594_1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: img175210594_1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>img175210594_2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: img175210594_2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>img175210594_3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: img175210594_3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>img175210594_4.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: img175210594_4.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>img175210594_5.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: img175210594_5.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>img175210594_6.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: img175210594_6.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>