<SEC-DOCUMENT>0000950170-23-004177.txt : 20230223
<SEC-HEADER>0000950170-23-004177.hdr.sgml : 20230223
<ACCEPTANCE-DATETIME>20230223172105
ACCESSION NUMBER:		0000950170-23-004177
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20230221
ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20230223
DATE AS OF CHANGE:		20230223

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20859
		FILM NUMBER:		23661083

	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>8-K
<SEQUENCE>1
<FILENAME>gern-20230221.htm
<DESCRIPTION>8-K
<TEXT>
<XBRL>
<?xml version="1.0" encoding="ASCII"?><!-- DFIN New ActiveDisclosure (SM) Inline XBRL Document - http://www.dfinsolutions.com/ --><!-- Creation Date :2023-02-23T13:19:41.3568+00:00 --><!-- Copyright (c) 2023 Donnelly Financial Solutions, Inc. All Rights Reserved. -->
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xmlns:nonNumeric="http://www.xbrl.org/dtr/type/non-numeric" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2015-02-26" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dei="http://xbrl.sec.gov/dei/2022" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:gern="http://www.geron.com/20230221" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:utr="http://www.xbrl.org/2009/utr">
 <head>
  <title>8-K</title>
  <meta http-equiv="Content-Type" content="text/html" />
 </head>
 <body style="margin: auto!important;padding: 8px;">
  <div style="display:none;"><ix:header><ix:hidden><ix:nonNumeric id="F_e76b5aac-a513-4780-8849-8067e923b7d1" name="dei:EntityCentralIndexKey" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86">0000886744</ix:nonNumeric><ix:nonNumeric id="F_c291b1a7-1be3-405b-9734-09a221a2d2c0" name="dei:AmendmentFlag" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86">false</ix:nonNumeric></ix:hidden><ix:references><link:schemaRef xlink:type="simple" xlink:href="gern-20230221.xsd"></link:schemaRef></ix:references><ix:resources><xbrli:context id="C_9019bb51-1297-4154-a27c-e3e235447a86"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000886744</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2023-02-21</xbrli:startDate><xbrli:endDate>2023-02-21</xbrli:endDate></xbrli:period></xbrli:context></ix:resources></ix:header></div>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:12.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">UNITED STATES</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">SECURITIES AND EXCHANGE COMMISSION</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">WASHINGTON, D.C. 20549</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">___________</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">FORM </span><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_fdd7114f-ac7d-44d0-9ec7-0d66b4e47c09" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:DocumentType"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">8-K</span></ix:nonNumeric></span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">CURRENT REPORT</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> </span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Date of Report (Date of Earliest Event Reported):</span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> </span><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_66467330-8df8-4198-9ec3-957e9811c3d9" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:DocumentPeriodEndDate" format="ixt:datemonthdayyearen"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">February 21, 2023</span></ix:nonNumeric></span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_69182e83-efc0-40aa-8b5d-c20544f132a9" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:EntityRegistrantName"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">GERON CORPORATION</span></ix:nonNumeric></span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">(Exact name of registrant as specified in its charter)</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">___________</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <table style="border-spacing:0;table-layout:fixed;width:100.0%;border-collapse:separate;">
   <tr style="visibility:collapse;">
    <td style="width:40.406%;"></td>
    <td style="width:27.276%;"></td>
    <td style="width:32.318%;"></td>
   </tr>
   <tr style="height:10.0pt;">
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;padding-left:0.075in;vertical-align:top;padding-right:0.075in;text-align:left;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_c1187a1d-1641-4607-a1dc-75dbe5c6bd5f" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:EntityIncorporationStateCountryCode" format="ixt-sec:stateprovnameen"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Delaware</span></ix:nonNumeric></span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;padding-left:0.075in;vertical-align:top;padding-right:0.075in;text-align:left;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_5af104bd-e382-4e35-a13a-a7e26caffccf" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:EntityFileNumber"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">000-20859</span></ix:nonNumeric></span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;padding-left:0.075in;vertical-align:top;padding-right:0.075in;text-align:left;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_f7aa66cf-8e0f-468e-9a85-df02eae4afe1" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:EntityTaxIdentificationNumber"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">75-2287752</span></ix:nonNumeric></span></p></td>
   </tr>
   <tr style="height:9.0pt;">
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;padding-left:0.075in;vertical-align:top;padding-right:0.075in;"><p style="text-indent:0.0pt;font-size:9.5pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:9.5pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">(State or other jurisdiction of incorporation)</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;padding-left:0.075in;vertical-align:top;padding-right:0.075in;"><p style="text-indent:0.0pt;font-size:9.5pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:9.5pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">(Commission File Number)</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;padding-left:0.075in;vertical-align:top;padding-right:0.075in;text-align:left;"><p style="text-indent:0.0pt;font-size:9.5pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:9.5pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">(IRS Employer Identification No.)</span></p></td>
   </tr>
  </table>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_9194e20e-1221-4969-860c-43668d8ce3c3" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:EntityAddressAddressLine1"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">919 East Hillsdale Blvd.</span></ix:nonNumeric></span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">, </span><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_17a5236d-d948-461e-8bd0-237e7bfeaab8" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:EntityAddressAddressLine2"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Suite 250</span></ix:nonNumeric></span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_f0d1eaaa-97f2-4119-bd42-d36a73113e1b" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:EntityAddressCityOrTown"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Foster City</span></ix:nonNumeric></span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">, </span><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_ee32404f-36f1-4a2a-894f-ffd7dd86ab08" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:EntityAddressStateOrProvince"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">CA</span></ix:nonNumeric></span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> </span><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_6239f898-e1d3-4efe-9a9a-bd76450edbc7" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:EntityAddressPostalZipCode"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">94404</span></ix:nonNumeric></span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> (Address of principal executive offices, including zip code)</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">(</span><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_016aa316-ff58-4092-832d-142ce5c159d9" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:CityAreaCode"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">650</span></ix:nonNumeric></span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">) </span><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_6cb603e1-8582-4f8a-97b0-b24f1c0a7de5" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:LocalPhoneNumber"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">473-7700</span></ix:nonNumeric></span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> </span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">(Registrant&#x2019;s telephone number, including area code)</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">N/A</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> </span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> </span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">(Former name or former address, if changed since last report)</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:6.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</span></p>
  <p style="text-indent:-3.448%;padding-left:3.333%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:6.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:&quot;Segoe UI Symbol&quot;, sans-serif;"><ix:nonNumeric id="F_edfd1db5-66ef-4526-a401-e433b607ecde" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:WrittenCommunications" format="ixt-sec:boolballotbox"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Segoe UI Symbol&quot;, sans-serif;min-width:fit-content;">&#9744;</span></ix:nonNumeric></span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Segoe UI Symbol&quot;, sans-serif;min-width:fit-content;">  </span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</span></p>
  <p style="text-indent:-3.448%;padding-left:3.333%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:6.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:&quot;Segoe UI Symbol&quot;, sans-serif;"><ix:nonNumeric id="F_29f0cb51-4f1a-41f9-b219-0154cf36fc0c" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:SolicitingMaterial" format="ixt-sec:boolballotbox"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Segoe UI Symbol&quot;, sans-serif;min-width:fit-content;">&#9744;  </span></ix:nonNumeric></span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</span></p>
  <p style="text-indent:-3.448%;padding-left:3.333%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:6.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:&quot;Segoe UI Symbol&quot;, sans-serif;"><ix:nonNumeric id="F_c77cb825-aad8-4a09-aee5-375d0feb36d7" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:PreCommencementTenderOffer" format="ixt-sec:boolballotbox"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Segoe UI Symbol&quot;, sans-serif;min-width:fit-content;">&#9744;  </span></ix:nonNumeric></span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</span></p>
  <p style="text-indent:-3.448%;padding-left:3.333%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:6.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:&quot;Segoe UI Symbol&quot;, sans-serif;"><ix:nonNumeric id="F_036a2dfc-2b89-4112-963a-9148f4950ab9" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:PreCommencementIssuerTenderOffer" format="ixt-sec:boolballotbox"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Segoe UI Symbol&quot;, sans-serif;min-width:fit-content;">&#9744;  </span></ix:nonNumeric></span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Securities registered pursuant to Section 12(b) of the Act:</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> </span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <table style="border-spacing:0;table-layout:fixed;width:100.0%;border-collapse:separate;">
   <tr style="visibility:collapse;">
    <td style="width:34.695%;"></td>
    <td style="width:23.465%;"></td>
    <td style="width:41.84%;"></td>
   </tr>
   <tr style="height:10.0pt;">
    <td style="border-top:0.5pt solid rgba(0,0,0,1);background-color:rgba(0,0,0,0);border-right:0.5pt solid rgba(0,0,0,1);word-break:break-word;white-space:pre-wrap;border-left:0.5pt solid rgba(0,0,0,1);padding-left:0.075in;vertical-align:top;border-bottom:0.5pt solid rgba(0,0,0,1);padding-right:0.075in;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Title of each class</span></p></td>
    <td style="border-top:0.5pt solid rgba(0,0,0,1);background-color:rgba(0,0,0,0);border-right:0.5pt solid rgba(0,0,0,1);word-break:break-word;white-space:pre-wrap;padding-left:0.075in;vertical-align:top;border-bottom:0.5pt solid rgba(0,0,0,1);padding-right:0.075in;text-align:left;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Trading Symbol(s)</span></p></td>
    <td style="border-top:0.5pt solid rgba(0,0,0,1);background-color:rgba(0,0,0,0);border-right:0.5pt solid rgba(0,0,0,1);word-break:break-word;white-space:pre-wrap;padding-left:0.075in;vertical-align:top;border-bottom:0.5pt solid rgba(0,0,0,1);padding-right:0.075in;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Name of each exchange on which registered</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> </span></p></td>
   </tr>
   <tr style="height:10.0pt;">
    <td style="background-color:rgba(0,0,0,0);border-right:0.5pt solid rgba(0,0,0,1);word-break:break-word;white-space:pre-wrap;border-left:0.5pt solid rgba(0,0,0,1);padding-left:0.075in;vertical-align:top;border-bottom:0.5pt solid rgba(0,0,0,1);padding-right:0.075in;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_88b8eabf-a874-438f-91d0-3438958212fa" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:Security12bTitle"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Common Stock, $0.001 par value</span></ix:nonNumeric></span></p></td>
    <td style="background-color:rgba(0,0,0,0);border-right:0.5pt solid rgba(0,0,0,1);word-break:break-word;white-space:pre-wrap;padding-left:0.075in;vertical-align:top;border-bottom:0.5pt solid rgba(0,0,0,1);padding-right:0.075in;text-align:left;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_1ee0acc5-3bbf-4346-a70e-03f5c396d3c9" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:TradingSymbol"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">GERN</span></ix:nonNumeric></span></p></td>
    <td style="background-color:rgba(0,0,0,0);border-right:0.5pt solid rgba(0,0,0,1);word-break:break-word;white-space:pre-wrap;padding-left:0.075in;vertical-align:top;border-bottom:0.5pt solid rgba(0,0,0,1);padding-right:0.075in;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;"><ix:nonNumeric id="F_3ab5a620-e788-490b-9117-f12872e379e6" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:SecurityExchangeName" format="ixt-sec:exchnameen"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">The Nasdaq Stock Market LLC</span></ix:nonNumeric></span></p></td>
   </tr>
  </table>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:6.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (&#167;230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (&#167;240.12b-2 of this chapter).</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:6.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Emerging growth company </span><span style="font-size:10.0pt;font-family:&quot;Segoe UI Symbol&quot;, sans-serif;"><ix:nonNumeric id="F_519abbdb-477e-45ec-89af-7b6600408fa7" contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86" name="dei:EntityEmergingGrowthCompany" format="ixt-sec:boolballotbox"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Segoe UI Symbol&quot;, sans-serif;min-width:fit-content;">&#9744;</span></ix:nonNumeric></span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. </span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Segoe UI Symbol&quot;, sans-serif;min-width:fit-content;">&#9744;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:12.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:12.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <hr style="page-break-after:always;" />
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:12.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:-14.279%;padding-left:12.507%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Item 5.02 	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> </span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;font-style:italic;min-width:fit-content;">Compensatory Arrangements of Certain Officers</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:3.333%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">On February 21, 2023, the Compensation Committee (the &#x201c;Compensation Committee&#x201d;) of the Board of Directors (the &#x201c;Board&#x201d;) of Geron Corporation (the &#x201c;Company&#x201d; or &#x201c;Geron&#x201d;) approved an increase to the annual performance-based bonus target for Andrew J. Grethlein, Ph.D., the Company&#x2019;s Executive Vice President and Chief Operating Officer, from 45% to 50% of his annual base salary, effective January 1, 2023, in line with industry market data.</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> </span></p>
  <p style="text-indent:3.333%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:3.333%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">On February 22, 2023, the Board, upon the recommendation of the Compensation Committee, approved an increase to the to the annual performance-based bonus target for John A. Scarlett, M.D., the Company&#x2019;s President, Chief Executive Officer and Chairman of the Board, from 60% to 65% of his annual base salary, effective January 1, 2023, in line with industry market data.</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> </span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;font-style:italic;min-width:fit-content;">Departure of Director</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:5.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">On February 22, 2023, Karin Eastham, a Class III member of the Company&#x2019;s Board, notified the Board of her retirement from the Company&#x2019;s Board after 13 years of service on the Company&#x2019;s Board and imetelstat&#x2019;s achievement of positive top-line results in the IMerge Phase 3 trial in lower risk myelodysplastic syndromes. As such, she will not stand for re-election at the Company&#x2019;s upcoming 2023 Annual Meeting of Stockholders. Ms. Eastham&#x2019;s decision not to stand for re-election was not due to any disagreement with the Company, the Board or the management of the Company on any matter relating to the Company&#x2019;s operations, policies or practices. The effective date of departure for Ms. Eastham will be May 31, 2023, the expected date of the Company&#x2019;s 2023 Annual Meeting of Stockholders. Until her departure from the Board, Ms. Eastham will continue to serve on the Audit Committee and the Compensation Committee of the Board, as well as Lead Independent Director for the Board.</span></p>
  <p style="text-indent:5.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Item 9.01              Financial Statements and Exhibits.</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> &#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">    </span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">(d) Exhibits.</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> &#160;</span></p>
  <table style="margin-left:15.463%;border-spacing:0;table-layout:fixed;width:80.0%;border-collapse:separate;">
   <tr style="visibility:collapse;">
    <td style="width:16.466%;"></td>
    <td style="width:1.255%;"></td>
    <td style="width:59.495%;"></td>
    <td style="width:22.783%;"></td>
   </tr>
   <tr style="height:10.0pt;">
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;border-bottom:1pt solid rgba(0,0,0,1);text-align:left;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Exhibit No.</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;border-bottom:1pt solid rgba(255,255,255,0.01);text-align:left;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> &#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;border-bottom:1pt solid rgba(0,0,0,1);"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Description</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;border-bottom:1pt solid rgba(255,255,255,0.01);"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> &#160;</span></p></td>
   </tr>
   <tr style="height:10.0pt;">
    <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:top;text-align:left;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">104</span></p></td>
    <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:top;text-align:left;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> &#160;</span></p></td>
    <td colspan="2" style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL document)</span></p></td>
   </tr>
  </table>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">1</span></p>
  <hr style="page-break-after:always;" />
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:12.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">SIGNATURE</span></p>
  <p style="text-indent:4.533%;font-size:10.0pt;margin-top:12.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</span></p>
  <p style="text-indent:3.333%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:justify;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="margin-left:40.0%;text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:justify;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">GERON CORPORATION</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:justify;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <table style="border-spacing:0;table-layout:fixed;width:100.0%;border-collapse:separate;">
   <tr style="visibility:collapse;">
    <td style="width:6.731%;"></td>
    <td style="width:25.962%;"></td>
    <td style="width:13.462%;"></td>
    <td style="width:7.703%;"></td>
    <td style="width:46.143%;"></td>
   </tr>
   <tr style="height:10.0pt;">
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Date:</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">February 23, 2023</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;"> </span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">By:</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;text-decoration:underline;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">/s/ Stephen Rosenfield</span></p></td>
   </tr>
   <tr style="height:10.0pt;">
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Name:</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Stephen N. Rosenfield</span></p></td>
   </tr>
   <tr style="height:10.0pt;">
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Title:</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Executive Vice President,</span></p></td>
   </tr>
   <tr style="height:10.0pt;">
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Chief Legal Officer and</span></p></td>
   </tr>
   <tr style="height:10.0pt;">
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p></td>
    <td style="background-color:rgba(0,0,0,0);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Corporate Secretary</span></p></td>
   </tr>
  </table>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:justify;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">&#160;</span></p>
  <p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">2</span></p>
  <hr style="page-break-after:always;" />
 </body>
</html>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>2
<FILENAME>gern-20230221.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
<!-- DFIN New ActiveDisclosure (SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2023-02-23T13:19:41.5051+00:00 -->
<!-- Copyright (c) 2023 Donnelly Financial Solutions, Inc. All Rights Reserved. -->
<xsd:schema targetNamespace="http://www.geron.com/20230221" attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:us-gaap="http://fasb.org/us-gaap/2022" xmlns:dei="http://xbrl.sec.gov/dei/2022" xmlns:gern="http://www.geron.com/20230221" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink">
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance"/>
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/linkbase"/>
  <xsd:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt"/>
  <xsd:import schemaLocation="https://xbrl.sec.gov/dei/2022/dei-2022.xsd" namespace="http://xbrl.sec.gov/dei/2022"/>
  <xsd:import schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd" namespace="http://www.xbrl.org/dtr/type/2020-01-21"/>
  <xsd:import schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd" namespace="http://fasb.org/us-gaap/2022"/>
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="gern-20230221_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:title="Labels link" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="gern-20230221_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:title="Presentation link" xlink:type="simple"/>
      <link:roleType roleURI="http://www.geron.com/20230221/taxonomy/role/Cover" id="Cover">
        <link:definition>100000 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
</xsd:schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>3
<FILENAME>gern-20230221_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
<!-- DFIN New ActiveDisclosure (SM) XBRL Linkbase Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2023-02-23T13:19:41.6850+00:00 -->
<!-- Copyright (c) 2023 Donnelly Financial Solutions, Inc. All Rights Reserved. -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:title="labelLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_SolicitingMaterial" xlink:label="dei_SolicitingMaterial"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityExTransitionPeriod" xlink:label="dei_EntityExTransitionPeriod"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_Extension" xlink:label="dei_Extension"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentQuarterlyReport" xlink:label="dei_DocumentQuarterlyReport"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AnnualInformationForm" xlink:label="dei_AnnualInformationForm"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntitySmallBusiness" xlink:label="dei_EntitySmallBusiness"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentShellCompanyEventDate" xlink:label="dei_DocumentShellCompanyEventDate"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_SecurityReportingObligation" xlink:label="dei_SecurityReportingObligation"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentAccountingStandard" xlink:label="dei_DocumentAccountingStandard"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentAnnualReport" xlink:label="dei_DocumentAnnualReport"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentPeriodStartDate" xlink:label="dei_DocumentPeriodStartDate"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentsIncorporatedByReferenceTextBlock" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityVoluntaryFilers" xlink:label="dei_EntityVoluntaryFilers"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentTransitionReport" xlink:label="dei_DocumentTransitionReport"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AmendmentDescription" xlink:label="dei_AmendmentDescription"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CountryRegion" xlink:label="dei_CountryRegion"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_PreCommencementTenderOffer" xlink:label="dei_PreCommencementTenderOffer"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentType" xlink:label="dei_DocumentType"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AuditedAnnualFinancialStatements" xlink:label="dei_AuditedAnnualFinancialStatements"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityShellCompany" xlink:label="dei_EntityShellCompany"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_WrittenCommunications" xlink:label="dei_WrittenCommunications"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentRegistrationStatement" xlink:label="dei_DocumentRegistrationStatement"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressCountry" xlink:label="dei_EntityAddressCountry"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressAddressLine2" xlink:label="dei_EntityAddressAddressLine2"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityBankruptcyProceedingsReportingCurrent" xlink:label="dei_EntityBankruptcyProceedingsReportingCurrent"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityPrimarySicNumber" xlink:label="dei_EntityPrimarySicNumber"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityInteractiveDataCurrent" xlink:label="dei_EntityInteractiveDataCurrent"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityPublicFloat" xlink:label="dei_EntityPublicFloat"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_OtherReportingStandardItemNumber" xlink:label="dei_OtherReportingStandardItemNumber"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_PreCommencementIssuerTenderOffer" xlink:label="dei_PreCommencementIssuerTenderOffer"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentShellCompanyReport" xlink:label="dei_DocumentShellCompanyReport"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_Security12gTitle" xlink:label="dei_Security12gTitle"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CoverAbstract" xlink:label="dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressAddressLine3" xlink:label="dei_EntityAddressAddressLine3"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_NoTradingSymbolFlag" xlink:label="dei_NoTradingSymbolFlag"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="dei_EntityWellKnownSeasonedIssuer"/>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SolicitingMaterial_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Soliciting Material</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityExTransitionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Elected Not To Use the Extended Transition Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Extension_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extension</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentQuarterlyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Quarterly Report</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, State or Country Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AnnualInformationForm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Annual Information Form</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Small Business</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentShellCompanyEventDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Shell Company Event Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityReportingObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Reporting Obligation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Fiscal Year End Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAccountingStandard_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Accounting Standard</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Annual Report</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodStartDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period Start Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Filer Category</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Current Reporting Status</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Documents Incorporated by Reference [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Voluntary Filers</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Transition Report</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CountryRegion_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Country Region</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Common Stock, Shares Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_PreCommencementTenderOffer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pre-commencement Tender Offer</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of 12(b) Security</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditedAnnualFinancialStatements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Audited Annual Financial Statements</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Shell Company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_WrittenCommunications_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Written Communications</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentRegistrationStatement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Registration Statement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCountry_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Country</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line Two</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityBankruptcyProceedingsReportingCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Bankruptcy Proceedings, Reporting Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityPrimarySicNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Primary SIC Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Interactive Data Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityPublicFloat_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Public Float</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_OtherReportingStandardItemNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Reporting Standard Item Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_PreCommencementIssuerTenderOffer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pre-commencement Issuer Tender Offer</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentShellCompanyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Shell Company Report</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12gTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of 12(g) Security</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine3_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line Three</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_NoTradingSymbolFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">No Trading Symbol Flag</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Well-known Seasoned Issuer</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCityOrTown" xlink:to="dei_EntityAddressCityOrTown_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SolicitingMaterial" xlink:to="dei_SolicitingMaterial_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityExTransitionPeriod" xlink:to="dei_EntityExTransitionPeriod_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Extension" xlink:to="dei_Extension_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentQuarterlyReport" xlink:to="dei_DocumentQuarterlyReport_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AnnualInformationForm" xlink:to="dei_AnnualInformationForm_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntitySmallBusiness" xlink:to="dei_EntitySmallBusiness_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentShellCompanyEventDate" xlink:to="dei_DocumentShellCompanyEventDate_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CityAreaCode" xlink:to="dei_CityAreaCode_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressPostalZipCode" xlink:to="dei_EntityAddressPostalZipCode_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityReportingObligation" xlink:to="dei_SecurityReportingObligation_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFileNumber" xlink:to="dei_EntityFileNumber_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentAccountingStandard" xlink:to="dei_DocumentAccountingStandard_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine1" xlink:to="dei_EntityAddressAddressLine1_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentAnnualReport" xlink:to="dei_DocumentAnnualReport_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodStartDate" xlink:to="dei_DocumentPeriodStartDate_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFilerCategory" xlink:to="dei_EntityFilerCategory_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="dei_EntityCurrentReportingStatus_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentsIncorporatedByReferenceTextBlock" xlink:to="dei_DocumentsIncorporatedByReferenceTextBlock_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityTaxIdentificationNumber" xlink:to="dei_EntityTaxIdentificationNumber_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityVoluntaryFilers" xlink:to="dei_EntityVoluntaryFilers_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentTransitionReport" xlink:to="dei_DocumentTransitionReport_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentDescription" xlink:to="dei_AmendmentDescription_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CountryRegion" xlink:to="dei_CountryRegion_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCommonStockSharesOutstanding" xlink:to="dei_EntityCommonStockSharesOutstanding_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementTenderOffer" xlink:to="dei_PreCommencementTenderOffer_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12bTitle" xlink:to="dei_Security12bTitle_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressStateOrProvince" xlink:to="dei_EntityAddressStateOrProvince_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditedAnnualFinancialStatements" xlink:to="dei_AuditedAnnualFinancialStatements_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityShellCompany" xlink:to="dei_EntityShellCompany_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_WrittenCommunications" xlink:to="dei_WrittenCommunications_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityExchangeName" xlink:to="dei_SecurityExchangeName_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentRegistrationStatement" xlink:to="dei_DocumentRegistrationStatement_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCountry" xlink:to="dei_EntityAddressCountry_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine2" xlink:to="dei_EntityAddressAddressLine2_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityBankruptcyProceedingsReportingCurrent" xlink:to="dei_EntityBankruptcyProceedingsReportingCurrent_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPrimarySicNumber" xlink:to="dei_EntityPrimarySicNumber_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityInteractiveDataCurrent" xlink:to="dei_EntityInteractiveDataCurrent_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPublicFloat" xlink:to="dei_EntityPublicFloat_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LocalPhoneNumber" xlink:to="dei_LocalPhoneNumber_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_OtherReportingStandardItemNumber" xlink:to="dei_OtherReportingStandardItemNumber_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementIssuerTenderOffer" xlink:to="dei_PreCommencementIssuerTenderOffer_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentShellCompanyReport" xlink:to="dei_DocumentShellCompanyReport_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="dei_DocumentFiscalYearFocus_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12gTitle" xlink:to="dei_Security12gTitle_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CoverAbstract" xlink:to="dei_CoverAbstract_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine3" xlink:to="dei_EntityAddressAddressLine3_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_NoTradingSymbolFlag" xlink:to="dei_NoTradingSymbolFlag_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl"/>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityWellKnownSeasonedIssuer" xlink:to="dei_EntityWellKnownSeasonedIssuer_lbl"/>
  </link:labelLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>4
<FILENAME>gern-20230221_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
<!-- DFIN New ActiveDisclosure (SM) XBRL Linkbase Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2023-02-23T13:19:41.3659+00:00 -->
<!-- Copyright (c) 2023 Donnelly Financial Solutions, Inc. All Rights Reserved. -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.geron.com/20230221/taxonomy/role/Cover" xlink:href="gern-20230221.xsd#Cover" xlink:type="simple"/>
  <link:presentationLink xlink:role="http://www.geron.com/20230221/taxonomy/role/Cover" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CoverAbstract" xlink:label="dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentType" xlink:label="dei_DocumentType"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AmendmentDescription" xlink:label="dei_AmendmentDescription"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentRegistrationStatement" xlink:label="dei_DocumentRegistrationStatement"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentAnnualReport" xlink:label="dei_DocumentAnnualReport"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentQuarterlyReport" xlink:label="dei_DocumentQuarterlyReport"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentTransitionReport" xlink:label="dei_DocumentTransitionReport"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentShellCompanyReport" xlink:label="dei_DocumentShellCompanyReport"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentShellCompanyEventDate" xlink:label="dei_DocumentShellCompanyEventDate"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentPeriodStartDate" xlink:label="dei_DocumentPeriodStartDate"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityPrimarySicNumber" xlink:label="dei_EntityPrimarySicNumber"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressAddressLine2" xlink:label="dei_EntityAddressAddressLine2"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressAddressLine3" xlink:label="dei_EntityAddressAddressLine3"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressCountry" xlink:label="dei_EntityAddressCountry"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CountryRegion" xlink:label="dei_CountryRegion"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_Extension" xlink:label="dei_Extension"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_WrittenCommunications" xlink:label="dei_WrittenCommunications"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_SolicitingMaterial" xlink:label="dei_SolicitingMaterial"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_PreCommencementTenderOffer" xlink:label="dei_PreCommencementTenderOffer"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_PreCommencementIssuerTenderOffer" xlink:label="dei_PreCommencementIssuerTenderOffer"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_NoTradingSymbolFlag" xlink:label="dei_NoTradingSymbolFlag"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_Security12gTitle" xlink:label="dei_Security12gTitle"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_SecurityReportingObligation" xlink:label="dei_SecurityReportingObligation"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AnnualInformationForm" xlink:label="dei_AnnualInformationForm"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AuditedAnnualFinancialStatements" xlink:label="dei_AuditedAnnualFinancialStatements"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="dei_EntityWellKnownSeasonedIssuer"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityVoluntaryFilers" xlink:label="dei_EntityVoluntaryFilers"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityInteractiveDataCurrent" xlink:label="dei_EntityInteractiveDataCurrent"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntitySmallBusiness" xlink:label="dei_EntitySmallBusiness"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityExTransitionPeriod" xlink:label="dei_EntityExTransitionPeriod"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentAccountingStandard" xlink:label="dei_DocumentAccountingStandard"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_OtherReportingStandardItemNumber" xlink:label="dei_OtherReportingStandardItemNumber"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityShellCompany" xlink:label="dei_EntityShellCompany"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityPublicFloat" xlink:label="dei_EntityPublicFloat"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityBankruptcyProceedingsReportingCurrent" xlink:label="dei_EntityBankruptcyProceedingsReportingCurrent"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentsIncorporatedByReferenceTextBlock" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentType" order="49.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_AmendmentFlag" order="50.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_AmendmentDescription" order="51.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentRegistrationStatement" order="52.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentAnnualReport" order="53.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentQuarterlyReport" order="54.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentTransitionReport" order="55.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentShellCompanyReport" order="56.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentShellCompanyEventDate" order="57.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentPeriodStartDate" order="58.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentPeriodEndDate" order="59.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentFiscalPeriodFocus" order="60.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentFiscalYearFocus" order="61.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_CurrentFiscalYearEndDate" order="62.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityFileNumber" order="63.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityRegistrantName" order="64.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityCentralIndexKey" order="65.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityPrimarySicNumber" order="66.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityTaxIdentificationNumber" order="67.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityIncorporationStateCountryCode" order="68.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressAddressLine1" order="69.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressAddressLine2" order="70.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressAddressLine3" order="71.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressCityOrTown" order="72.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressStateOrProvince" order="73.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressCountry" order="74.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressPostalZipCode" order="75.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_CountryRegion" order="76.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_CityAreaCode" order="77.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_LocalPhoneNumber" order="78.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_Extension" order="79.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_WrittenCommunications" order="80.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_SolicitingMaterial" order="81.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_PreCommencementTenderOffer" order="82.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_PreCommencementIssuerTenderOffer" order="83.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_Security12bTitle" order="84.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_NoTradingSymbolFlag" order="85.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_TradingSymbol" order="86.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_SecurityExchangeName" order="87.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_Security12gTitle" order="88.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_SecurityReportingObligation" order="89.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_AnnualInformationForm" order="90.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_AuditedAnnualFinancialStatements" order="91.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityWellKnownSeasonedIssuer" order="92.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityVoluntaryFilers" order="93.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityCurrentReportingStatus" order="94.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityInteractiveDataCurrent" order="95.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityFilerCategory" order="96.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntitySmallBusiness" order="97.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityEmergingGrowthCompany" order="98.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityExTransitionPeriod" order="99.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentAccountingStandard" order="100.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_OtherReportingStandardItemNumber" order="101.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityShellCompany" order="102.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityPublicFloat" order="103.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityBankruptcyProceedingsReportingCurrent" order="104.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityCommonStockSharesOutstanding" order="105.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentsIncorporatedByReferenceTextBlock" order="106.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
  </link:presentationLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>5
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm140174011892976">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Cover<br></strong></div></th>
<th class="th"><div>Feb. 21, 2023</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CoverAbstract', window );"><strong>Cover [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">8-K<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Feb. 21,  2023<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">000-20859<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">GERON CORPORATION<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000886744<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">75-2287752<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">DE<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">919 East Hillsdale Blvd.<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressAddressLine2', window );">Entity Address, Address Line Two</a></td>
<td class="text">Suite 250<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Foster City<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">CA<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">94404<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">650<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">473-7700<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre-commencement Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre-commencement Issuer Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common Stock, $0.001 par value<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">GERN<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CoverAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CoverAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Address Line 2 such as Street or Suite number</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementIssuerTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 13e<br> -Subsection 4c<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementIssuerTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14d<br> -Subsection 2b<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarExchangeCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SolicitingMaterial">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Section 14a<br> -Number 240<br> -Subsection 12<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SolicitingMaterial</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:tradingSymbolItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_WrittenCommunications">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 425<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_WrittenCommunications</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>6
<FILENAME>gern-20230221_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2022"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="gern-20230221.xsd" xlink:type="simple"/>
    <context id="C_9019bb51-1297-4154-a27c-e3e235447a86">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000886744</identifier>
        </entity>
        <period>
            <startDate>2023-02-21</startDate>
            <endDate>2023-02-21</endDate>
        </period>
    </context>
    <dei:EntityCentralIndexKey
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_e76b5aac-a513-4780-8849-8067e923b7d1">0000886744</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_c291b1a7-1be3-405b-9734-09a221a2d2c0">false</dei:AmendmentFlag>
    <dei:DocumentType
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_fdd7114f-ac7d-44d0-9ec7-0d66b4e47c09">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_66467330-8df8-4198-9ec3-957e9811c3d9">2023-02-21</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_69182e83-efc0-40aa-8b5d-c20544f132a9">GERON CORPORATION</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_c1187a1d-1641-4607-a1dc-75dbe5c6bd5f">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_5af104bd-e382-4e35-a13a-a7e26caffccf">000-20859</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_f7aa66cf-8e0f-468e-9a85-df02eae4afe1">75-2287752</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_9194e20e-1221-4969-860c-43668d8ce3c3">919 East Hillsdale Blvd.</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_17a5236d-d948-461e-8bd0-237e7bfeaab8">Suite 250</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_f0d1eaaa-97f2-4119-bd42-d36a73113e1b">Foster City</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_ee32404f-36f1-4a2a-894f-ffd7dd86ab08">CA</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_6239f898-e1d3-4efe-9a9a-bd76450edbc7">94404</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_016aa316-ff58-4092-832d-142ce5c159d9">650</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_6cb603e1-8582-4f8a-97b0-b24f1c0a7de5">473-7700</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_edfd1db5-66ef-4526-a401-e433b607ecde">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_29f0cb51-4f1a-41f9-b219-0154cf36fc0c">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_c77cb825-aad8-4a09-aee5-375d0feb36d7">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_036a2dfc-2b89-4112-963a-9148f4950ab9">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_88b8eabf-a874-438f-91d0-3438958212fa">Common Stock, $0.001 par value</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_1ee0acc5-3bbf-4346-a70e-03f5c396d3c9">GERN</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_3ab5a620-e788-490b-9117-f12872e379e6">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="C_9019bb51-1297-4154-a27c-e3e235447a86"
      id="F_519abbdb-477e-45ec-89af-7b6600408fa7">false</dei:EntityEmergingGrowthCompany>
</xbrl>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>7
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 Financial_Report.xlsx
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M?!^2!F.,6_0T7X\48JVFL:W&VC$,>8!8\PRA9CC?AT6:&C/5BZPYC0IO0=5
MY3_;U UH]@TT')$%7C&9MC:CY$X*/-S^[PVPPL2.X>V+OP%02P,$%     @
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M    $               @ $     9&]C4')O<',O87!P+GAM;%!+ 0(4 Q0
M   ( *"*5U:0T7=2[0   "L"   1              "  :\   !D;V-0<F]P
M<R]C;W)E+GAM;%!+ 0(4 Q0    ( *"*5U:97)PC$ 8  )PG   3
M      "  <L!  !X;"]T:&5M92]T:&5M93$N>&UL4$L! A0#%     @ H(I7
M5C&;%NM;!   &!$  !@              ("!# @  'AL+W=O<FMS:&5E=',O
M<VAE970Q+GAM;%!+ 0(4 Q0    ( *"*5U:?H!OPL0(  .(,   -
M      "  9T,  !X;"]S='EL97,N>&UL4$L! A0#%     @ H(I75I>*NQS
M    $P(   L              ( !>0\  %]R96QS+RYR96QS4$L! A0#%
M  @ H(I75JK$(A8S 0  (@(   \              ( !8A   'AL+W=O<FMB
M;V]K+GAM;%!+ 0(4 Q0    ( *"*5U8D'INBK0   /@!   :
M  "  <(1  !X;"]?<F5L<R]W;W)K8F]O:RYX;6PN<F5L<U!+ 0(4 Q0    (
M *"*5U9ED'F2&0$  ,\#   3              "  :<2  !;0V]N=&5N=%]4
?>7!E<UTN>&UL4$L%!@     )  D /@(  /$3      $!

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>8
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
// Edgar(tm) Renderer was created by staff of the U.S. Securities and Exchange Commission.  Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection. 17 U.S.C. 105.
var Show={};Show.LastAR=null,Show.showAR=function(a,r,w){if(Show.LastAR)Show.hideAR();var e=a;while(e&&e.nodeName!='TABLE')e=e.nextSibling;if(!e||e.nodeName!='TABLE'){var ref=((window)?w.document:document).getElementById(r);if(ref){e=ref.cloneNode(!0);
e.removeAttribute('id');a.parentNode.appendChild(e)}}
if(e)e.style.display='block';Show.LastAR=e};Show.hideAR=function(){Show.LastAR.style.display='none'};Show.toggleNext=function(a){var e=a;while(e.nodeName!='DIV')e=e.nextSibling;if(!e.style){}else if(!e.style.display){}else{var d,p_;if(e.style.display=='none'){d='block';p='-'}else{d='none';p='+'}
e.style.display=d;if(a.textContent){a.textContent=p+a.textContent.substring(1)}else{a.innerText=p+a.innerText.substring(1)}}}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>9
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
/* Updated 2009-11-04 */
/* v2.2.0.24 */

/* DefRef Styles */
..report table.authRefData{
	background-color: #def;
	border: 2px solid #2F4497;
	font-size: 1em;
	position: absolute;
}

..report table.authRefData a {
	display: block;
	font-weight: bold;
}

..report table.authRefData p {
	margin-top: 0px;
}

..report table.authRefData .hide {
	background-color: #2F4497;
	padding: 1px 3px 0px 0px;
	text-align: right;
}

..report table.authRefData .hide a:hover {
	background-color: #2F4497;
}

..report table.authRefData .body {
	height: 150px;
	overflow: auto;
	width: 400px;
}

..report table.authRefData table{
	font-size: 1em;
}

/* Report Styles */
..pl a, .pl a:visited {
	color: black;
	text-decoration: none;
}

/* table */
..report {
	background-color: white;
	border: 2px solid #acf;
	clear: both;
	color: black;
	font: normal 8pt Helvetica, Arial, san-serif;
	margin-bottom: 2em;
}

..report hr {
	border: 1px solid #acf;
}

/* Top labels */
..report th {
	background-color: #acf;
	color: black;
	font-weight: bold;
	text-align: center;
}

..report th.void	{
	background-color: transparent;
	color: #000000;
	font: bold 10pt Helvetica, Arial, san-serif;
	text-align: left;
}

..report .pl {
	text-align: left;
	vertical-align: top;
	white-space: normal;
	width: 200px;
	white-space: normal; /* word-wrap: break-word; */
}

..report td.pl a.a {
	cursor: pointer;
	display: block;
	width: 200px;
	overflow: hidden;
}

..report td.pl div.a {
	width: 200px;
}

..report td.pl a:hover {
	background-color: #ffc;
}

/* Header rows... */
..report tr.rh {
	background-color: #acf;
	color: black;
	font-weight: bold;
}

/* Calendars... */
..report .rc {
	background-color: #f0f0f0;
}

/* Even rows... */
..report .re, .report .reu {
	background-color: #def;
}

..report .reu td {
	border-bottom: 1px solid black;
}

/* Odd rows... */
..report .ro, .report .rou {
	background-color: white;
}

..report .rou td {
	border-bottom: 1px solid black;
}

..report .rou table td, .report .reu table td {
	border-bottom: 0px solid black;
}

/* styles for footnote marker */
..report .fn {
	white-space: nowrap;
}

/* styles for numeric types */
..report .num, .report .nump {
	text-align: right;
	white-space: nowrap;
}

..report .nump {
	padding-left: 2em;
}

..report .nump {
	padding: 0px 0.4em 0px 2em;
}

/* styles for text types */
..report .text {
	text-align: left;
	white-space: normal;
}

..report .text .big {
	margin-bottom: 1em;
	width: 17em;
}

..report .text .more {
	display: none;
}

..report .text .note {
	font-style: italic;
	font-weight: bold;
}

..report .text .small {
	width: 10em;
}

..report sup {
	font-style: italic;
}

..report .outerFootnotes {
	font-size: 1em;
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>10
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.22.4</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>1</ContextCount>
  <ElementCount>23</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>0</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>0</UnitCount>
  <MyReports>
    <Report instance="gern-20230221.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>100000 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.geron.com/20230221/taxonomy/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="8-K" original="gern-20230221.htm">gern-20230221.htm</File>
    <File>gern-20230221.xsd</File>
    <File>gern-20230221_lab.xml</File>
    <File>gern-20230221_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="23">http://xbrl.sec.gov/dei/2022</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>12
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
{
 "instance": {
  "gern-20230221.htm": {
   "axisCustom": 0,
   "axisStandard": 0,
   "baseTaxonomies": {
    "http://xbrl.sec.gov/dei/2022": 23
   },
   "contextCount": 1,
   "dts": {
    "inline": {
     "local": [
      "gern-20230221.htm"
     ]
    },
    "labelLink": {
     "local": [
      "gern-20230221_lab.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "gern-20230221_pre.xml"
     ]
    },
    "schema": {
     "local": [
      "gern-20230221.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd",
      "https://xbrl.fasb.org/srt/2022/elts/srt-roles-2022.xsd",
      "https://xbrl.fasb.org/srt/2022/elts/srt-types-2022.xsd",
      "https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd",
      "https://xbrl.fasb.org/us-gaap/2022/elts/us-roles-2022.xsd",
      "https://xbrl.fasb.org/us-gaap/2022/elts/us-types-2022.xsd",
      "https://xbrl.sec.gov/country/2022/country-2022.xsd",
      "https://xbrl.sec.gov/dei/2022/dei-2022.xsd"
     ]
    }
   },
   "elementCount": 59,
   "entityCount": 1,
   "hidden": {
    "http://xbrl.sec.gov/dei/2022": 2,
    "total": 2
   },
   "keyCustom": 0,
   "keyStandard": 23,
   "memberCustom": 0,
   "memberStandard": 0,
   "nsprefix": "gern",
   "nsuri": "http://www.geron.com/20230221",
   "report": {
    "R1": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "body",
       "html"
      ],
      "baseRef": "gern-20230221.htm",
      "contextRef": "C_9019bb51-1297-4154-a27c-e3e235447a86",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "document",
     "isDefault": "true",
     "longName": "100000 - Document - Cover",
     "menuCat": "Cover",
     "order": "1",
     "role": "http://www.geron.com/20230221/taxonomy/role/Cover",
     "shortName": "Cover",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "body",
       "html"
      ],
      "baseRef": "gern-20230221.htm",
      "contextRef": "C_9019bb51-1297-4154-a27c-e3e235447a86",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    }
   },
   "segmentCount": 0,
   "tag": {
    "dei_AmendmentDescription": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Description of changes contained within amended document.",
        "label": "Amendment Description"
       }
      }
     },
     "localname": "AmendmentDescription",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_AmendmentFlag": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.",
        "label": "Amendment Flag"
       }
      }
     },
     "localname": "AmendmentFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_AnnualInformationForm": {
     "auth_ref": [
      "r14"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag with value true on a form if it is an annual report containing an annual information form.",
        "label": "Annual Information Form"
       }
      }
     },
     "localname": "AnnualInformationForm",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_AuditedAnnualFinancialStatements": {
     "auth_ref": [
      "r14"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag with value true on a form if it is an annual report containing audited financial statements.",
        "label": "Audited Annual Financial Statements"
       }
      }
     },
     "localname": "AuditedAnnualFinancialStatements",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_CityAreaCode": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Area code of city",
        "label": "City Area Code"
       }
      }
     },
     "localname": "CityAreaCode",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_CountryRegion": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Region code of country",
        "label": "Country Region"
       }
      }
     },
     "localname": "CountryRegion",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_CoverAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cover page.",
        "label": "Cover [Abstract]"
       }
      }
     },
     "localname": "CoverAbstract",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "xbrltype": "stringItemType"
    },
    "dei_CurrentFiscalYearEndDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "End date of current fiscal year in the format --MM-DD.",
        "label": "Current Fiscal Year End Date"
       }
      }
     },
     "localname": "CurrentFiscalYearEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "gMonthDayItemType"
    },
    "dei_DocumentAccountingStandard": {
     "auth_ref": [
      "r13"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The basis of accounting the registrant has used to prepare the financial statements included in this filing This can either be 'U.S. GAAP', 'International Financial Reporting Standards', or 'Other'.",
        "label": "Document Accounting Standard"
       }
      }
     },
     "localname": "DocumentAccountingStandard",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "accountingStandardItemType"
    },
    "dei_DocumentAnnualReport": {
     "auth_ref": [
      "r11",
      "r13",
      "r14"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as an annual report.",
        "label": "Document Annual Report"
       }
      }
     },
     "localname": "DocumentAnnualReport",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentFiscalPeriodFocus": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fiscal period values are FY, Q1, Q2, and Q3.  1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.",
        "label": "Document Fiscal Period Focus"
       }
      }
     },
     "localname": "DocumentFiscalPeriodFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "fiscalPeriodItemType"
    },
    "dei_DocumentFiscalYearFocus": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.",
        "label": "Document Fiscal Year Focus"
       }
      }
     },
     "localname": "DocumentFiscalYearFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "gYearItemType"
    },
    "dei_DocumentPeriodEndDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD.",
        "label": "Document Period End Date"
       }
      }
     },
     "localname": "DocumentPeriodEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentPeriodStartDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The start date of the period covered in the document, in YYYY-MM-DD format.",
        "label": "Document Period Start Date"
       }
      }
     },
     "localname": "DocumentPeriodStartDate",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentQuarterlyReport": {
     "auth_ref": [
      "r12"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as an quarterly report.",
        "label": "Document Quarterly Report"
       }
      }
     },
     "localname": "DocumentQuarterlyReport",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentRegistrationStatement": {
     "auth_ref": [
      "r0"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as a registration statement.",
        "label": "Document Registration Statement"
       }
      }
     },
     "localname": "DocumentRegistrationStatement",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentShellCompanyEventDate": {
     "auth_ref": [
      "r13"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Date of event requiring a shell company report.",
        "label": "Document Shell Company Event Date"
       }
      }
     },
     "localname": "DocumentShellCompanyEventDate",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentShellCompanyReport": {
     "auth_ref": [
      "r13"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true for a Shell Company Report pursuant to section 13 or 15(d) of the Exchange Act.",
        "label": "Document Shell Company Report"
       }
      }
     },
     "localname": "DocumentShellCompanyReport",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentTransitionReport": {
     "auth_ref": [
      "r15"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as a transition report.",
        "label": "Document Transition Report"
       }
      }
     },
     "localname": "DocumentTransitionReport",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentType": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.",
        "label": "Document Type"
       }
      }
     },
     "localname": "DocumentType",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "submissionTypeItemType"
    },
    "dei_DocumentsIncorporatedByReferenceTextBlock": {
     "auth_ref": [
      "r3"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Documents incorporated by reference.",
        "label": "Documents Incorporated by Reference [Text Block]"
       }
      }
     },
     "localname": "DocumentsIncorporatedByReferenceTextBlock",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "textBlockItemType"
    },
    "dei_EntityAddressAddressLine1": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name",
        "label": "Entity Address, Address Line One"
       }
      }
     },
     "localname": "EntityAddressAddressLine1",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressAddressLine2": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Address Line 2 such as Street or Suite number",
        "label": "Entity Address, Address Line Two"
       }
      }
     },
     "localname": "EntityAddressAddressLine2",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressAddressLine3": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Address Line 3 such as an Office Park",
        "label": "Entity Address, Address Line Three"
       }
      }
     },
     "localname": "EntityAddressAddressLine3",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressCityOrTown": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of the City or Town",
        "label": "Entity Address, City or Town"
       }
      }
     },
     "localname": "EntityAddressCityOrTown",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressCountry": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "ISO 3166-1 alpha-2 country code.",
        "label": "Entity Address, Country"
       }
      }
     },
     "localname": "EntityAddressCountry",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "countryCodeItemType"
    },
    "dei_EntityAddressPostalZipCode": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Code for the postal or zip code",
        "label": "Entity Address, Postal Zip Code"
       }
      }
     },
     "localname": "EntityAddressPostalZipCode",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressStateOrProvince": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of the state or province.",
        "label": "Entity Address, State or Province"
       }
      }
     },
     "localname": "EntityAddressStateOrProvince",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "stateOrProvinceItemType"
    },
    "dei_EntityBankruptcyProceedingsReportingCurrent": {
     "auth_ref": [
      "r6"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "For registrants involved in bankruptcy proceedings during the preceding five years, the value Yes indicates that the registrant has filed all documents and reports required to be filed by Section 12, 13 or 15(d) of the Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court; the value No indicates the registrant has not.  Registrants not involved in bankruptcy proceedings during the preceding five years should not report this element.",
        "label": "Entity Bankruptcy Proceedings, Reporting Current"
       }
      }
     },
     "localname": "EntityBankruptcyProceedingsReportingCurrent",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r2"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.",
        "label": "Entity Central Index Key"
       }
      }
     },
     "localname": "EntityCentralIndexKey",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "centralIndexKeyItemType"
    },
    "dei_EntityCommonStockSharesOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.",
        "label": "Entity Common Stock, Shares Outstanding"
       }
      }
     },
     "localname": "EntityCommonStockSharesOutstanding",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "sharesItemType"
    },
    "dei_EntityCurrentReportingStatus": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.",
        "label": "Entity Current Reporting Status"
       }
      }
     },
     "localname": "EntityCurrentReportingStatus",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityEmergingGrowthCompany": {
     "auth_ref": [
      "r2"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate if registrant meets the emerging growth company criteria.",
        "label": "Entity Emerging Growth Company"
       }
      }
     },
     "localname": "EntityEmergingGrowthCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityExTransitionPeriod": {
     "auth_ref": [
      "r19"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate if an emerging growth company has elected not to use the extended transition period for complying with any new or revised financial accounting standards.",
        "label": "Elected Not To Use the Extended Transition Period"
       }
      }
     },
     "localname": "EntityExTransitionPeriod",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityFileNumber": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.",
        "label": "Entity File Number"
       }
      }
     },
     "localname": "EntityFileNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "fileNumberItemType"
    },
    "dei_EntityFilerCategory": {
     "auth_ref": [
      "r2"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.",
        "label": "Entity Filer Category"
       }
      }
     },
     "localname": "EntityFilerCategory",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "filerCategoryItemType"
    },
    "dei_EntityIncorporationStateCountryCode": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Two-character EDGAR code representing the state or country of incorporation.",
        "label": "Entity Incorporation, State or Country Code"
       }
      }
     },
     "localname": "EntityIncorporationStateCountryCode",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "edgarStateCountryItemType"
    },
    "dei_EntityInteractiveDataCurrent": {
     "auth_ref": [
      "r16"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).",
        "label": "Entity Interactive Data Current"
       }
      }
     },
     "localname": "EntityInteractiveDataCurrent",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityPrimarySicNumber": {
     "auth_ref": [
      "r14"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Primary Standard Industrial Classification (SIC) Number for the Entity.",
        "label": "Entity Primary SIC Number"
       }
      }
     },
     "localname": "EntityPrimarySicNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "sicNumberItemType"
    },
    "dei_EntityPublicFloat": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.",
        "label": "Entity Public Float"
       }
      }
     },
     "localname": "EntityPublicFloat",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r2"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.",
        "label": "Entity Registrant Name"
       }
      }
     },
     "localname": "EntityRegistrantName",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityShellCompany": {
     "auth_ref": [
      "r2"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.",
        "label": "Entity Shell Company"
       }
      }
     },
     "localname": "EntityShellCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntitySmallBusiness": {
     "auth_ref": [
      "r2"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).",
        "label": "Entity Small Business"
       }
      }
     },
     "localname": "EntitySmallBusiness",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityTaxIdentificationNumber": {
     "auth_ref": [
      "r2"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.",
        "label": "Entity Tax Identification Number"
       }
      }
     },
     "localname": "EntityTaxIdentificationNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "employerIdItemType"
    },
    "dei_EntityVoluntaryFilers": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.",
        "label": "Entity Voluntary Filers"
       }
      }
     },
     "localname": "EntityVoluntaryFilers",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityWellKnownSeasonedIssuer": {
     "auth_ref": [
      "r17"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.",
        "label": "Entity Well-known Seasoned Issuer"
       }
      }
     },
     "localname": "EntityWellKnownSeasonedIssuer",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_Extension": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Extension number for local phone number.",
        "label": "Extension"
       }
      }
     },
     "localname": "Extension",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_LocalPhoneNumber": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Local phone number for entity.",
        "label": "Local Phone Number"
       }
      }
     },
     "localname": "LocalPhoneNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_NoTradingSymbolFlag": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a security having no trading symbol.",
        "label": "No Trading Symbol Flag"
       }
      }
     },
     "localname": "NoTradingSymbolFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "trueItemType"
    },
    "dei_OtherReportingStandardItemNumber": {
     "auth_ref": [
      "r13"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "\"Item 17\" or \"Item 18\" specified when the basis of accounting is neither US GAAP nor IFRS.",
        "label": "Other Reporting Standard Item Number"
       }
      }
     },
     "localname": "OtherReportingStandardItemNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "otherReportingStandardItemNumberItemType"
    },
    "dei_PreCommencementIssuerTenderOffer": {
     "auth_ref": [
      "r7"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.",
        "label": "Pre-commencement Issuer Tender Offer"
       }
      }
     },
     "localname": "PreCommencementIssuerTenderOffer",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_PreCommencementTenderOffer": {
     "auth_ref": [
      "r8"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.",
        "label": "Pre-commencement Tender Offer"
       }
      }
     },
     "localname": "PreCommencementTenderOffer",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_Security12bTitle": {
     "auth_ref": [
      "r1"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Title of a 12(b) registered security.",
        "label": "Title of 12(b) Security"
       }
      }
     },
     "localname": "Security12bTitle",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "securityTitleItemType"
    },
    "dei_Security12gTitle": {
     "auth_ref": [
      "r5"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Title of a 12(g) registered security.",
        "label": "Title of 12(g) Security"
       }
      }
     },
     "localname": "Security12gTitle",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "securityTitleItemType"
    },
    "dei_SecurityExchangeName": {
     "auth_ref": [
      "r4"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of the Exchange on which a security is registered.",
        "label": "Security Exchange Name"
       }
      }
     },
     "localname": "SecurityExchangeName",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "edgarExchangeCodeItemType"
    },
    "dei_SecurityReportingObligation": {
     "auth_ref": [
      "r9"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "15(d), indicating whether the security has a reporting obligation under that section of the Exchange Act.",
        "label": "Security Reporting Obligation"
       }
      }
     },
     "localname": "SecurityReportingObligation",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "securityReportingObligationItemType"
    },
    "dei_SolicitingMaterial": {
     "auth_ref": [
      "r10"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.",
        "label": "Soliciting Material"
       }
      }
     },
     "localname": "SolicitingMaterial",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_TradingSymbol": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Trading symbol of an instrument as listed on an exchange.",
        "label": "Trading Symbol"
       }
      }
     },
     "localname": "TradingSymbol",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "tradingSymbolItemType"
    },
    "dei_WrittenCommunications": {
     "auth_ref": [
      "r18"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.",
        "label": "Written Communications"
       }
      }
     },
     "localname": "WrittenCommunications",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.geron.com/20230221/taxonomy/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    }
   },
   "unitCount": 0
  }
 },
 "std_ref": {
  "r0": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r1": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r10": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "14a",
   "Subsection": "12",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r11": {
   "Name": "Form 10-K",
   "Number": "249",
   "Publisher": "SEC",
   "Section": "310",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r12": {
   "Name": "Form 10-Q",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "308",
   "Subsection": "a",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r13": {
   "Name": "Form 20-F",
   "Number": "249",
   "Publisher": "SEC",
   "Section": "220",
   "Subsection": "f",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r14": {
   "Name": "Form 40-F",
   "Number": "249",
   "Publisher": "SEC",
   "Section": "240",
   "Subsection": "f",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r15": {
   "Name": "Forms 10-K, 10-Q, 20-F",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13",
   "Subsection": "a-1",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r16": {
   "Name": "Regulation S-T",
   "Number": "232",
   "Publisher": "SEC",
   "Section": "405",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r17": {
   "Name": "Securities Act",
   "Number": "230",
   "Publisher": "SEC",
   "Section": "405",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r18": {
   "Name": "Securities Act",
   "Number": "230",
   "Publisher": "SEC",
   "Section": "425",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r19": {
   "Name": "Securities Act",
   "Number": "7A",
   "Publisher": "SEC",
   "Section": "B",
   "Subsection": "2",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r2": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-2",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r3": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-23",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r4": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "d1-1",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r5": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "g",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r6": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12, 13, 15d",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r7": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13e",
   "Subsection": "4c",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r8": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "14d",
   "Subsection": "2b",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r9": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "15",
   "Subsection": "d",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  }
 },
 "version": "2.2"
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>13
<FILENAME>0000950170-23-004177-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 0000950170-23-004177-xbrl.zip
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M">9,I5F4UNU^L?HZ[2LFP%KB/3G/HBI7IP0>3*U^-#1Q8?C-G36ZBW;F)@N
MU:;$,S+6AI)(/2_P@ 4199YK4<OT(NKK7*,F_NG;GJ$;$7MR>*-T[2:Z$2CK
M8O=%ACQ)0@%Q(;+P\P'Y;QQ;TPEZ'.2:)>,-U1';506U]1;2ACA+!]!8&-K4
M#)"]+--R*',UH)H9V:'I.]P,GWRH65E*I:&T^VSUOMM_1*7>U\0\KT,)F2RP
MF6-H%%S/HY:O!:B$=)=&NN&Y!IBN#\ZZE-#T6%>5N;YWYB_-OV<K:KEI-VH
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M99K(.!J/"W:50PDNI<3GEG@PC]@R#0-)CEW-@#O75F)+_AHR(10!)*6[4YE
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M,_:>$95;)GEWD"4[&8*5?&170'J2%EEY!'[,!",G<5+E986JE4Q')W_^VO]
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MOO->UU$SR/CDW4]'S8$8)N_^'U!+ P04    " "@BE=6/Y.[=10#    "@
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MAY"!0PG=Y*QDMF*_>6RQ@(&945O/8.RH/ 4<^"5$R""!8YJ]3 J:8T?-^;.
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ME%7J-=]/WXEOPNS_13_]$U!+ P04    " "@BE=6,J".@<4'  !I9@  %0
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M+FAT;5!+ 0(4 Q0    ( *"*5U8_D[MU% ,    *   1              "
M 845  !G97)N+3(P,C,P,C(Q+GAS9%!+ 0(4 Q0    ( *"*5U9<-D_>> L
M -9^   5              "  <@8  !G97)N+3(P,C,P,C(Q7VQA8BYX;6Q0
M2P$"% ,4    " "@BE=6,J".@<4'  !I9@  %0              @ %S)
K9V5R;BTR,#(S,#(R,5]P<F4N>&UL4$L%!@     $  0 ! $  &LL      $!

end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
