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<title>Document</title></head><body><div id="ic9215b139aa4496387393c78209c8057_1"></div><div style="min-height:57.6pt;width:100%"><div><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">As filed with the Securities and Exchange Commission on June 30, 2025</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </font></div><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Registration No. 333-</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">UNITED STATES</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">SECURITIES AND EXCHANGE COMMISSION</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Washington, D.C. 20549</font></div><div><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">FORM S-8</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"> REGISTRATION STATEMENT</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">UNDER THE SECURITIES ACT OF 1933</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8.5pt;font-weight:400;line-height:120%"><br></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">GERON CORPORATION</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">(Exact name of registrant as specified in its charter)</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8.5pt;font-weight:400;line-height:120%"><br></font><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.038%"><tr><td style="width:1.0%"></td><td style="width:57.476%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:40.324%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 2.56pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Delaware</font></td><td colspan="3" style="padding:2px 2.56pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">75-2287752</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:3.12pt;padding-right:3.12pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:104%">(State or other jurisdiction incorporation or organization)</font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:3.12pt;padding-right:3.12pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:104%">(I.R.S. Employer Identification No.)</font></div></td></tr></table></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"> </font></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.038%"><tr><td style="width:1.0%"></td><td style="width:57.476%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:40.324%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:3.12pt;padding-right:3.12pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">919 E. Hillsdale Blvd, Suite 250 </font></div><div style="padding-left:3.12pt;padding-right:3.12pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Foster City, California</font></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">94404</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:3.12pt;padding-right:3.12pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:104%">(Addresses of Principal Executive Offices)</font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:3.12pt;padding-right:3.12pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:104%">(Zip Code)</font></div></td></tr></table></div><div><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Geron Corporation 2018 Equity Incentive Plan</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Geron Corporation 2014 Employee Stock Purchase Plan</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Full title of the plans</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">)</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8.5pt;font-weight:400;line-height:120%"><br></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Dawn C. Bir</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Interim President and Chief Executive Officer </font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Geron Corporation</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">919 E. Hillsdale Blvd, Suite 250 </font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Foster City, California 94404 </font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">(650) 473-7700</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Name and address of agent for service</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">) </font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">(Telephone number, including area code, of agent for service)</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8.5pt;font-weight:400;line-height:120%"><br></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Copies to</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">&#58; </font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Chadwick L. Mills </font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Cooley LLP</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">3 Embarcadero Center, 20th Floor</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">San Francisco, California 94111</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">(415) 693-2000</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:120%"> </font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:104%">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of &#8220;large accelerated filer,&#8221; &#8220;accelerated filer,&#8221; &#8220;smaller reporting company,&#8221; and &#8220;emerging growth company&#8221; in Rule 12b-2 of the Exchange Act.</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> </font></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.358%"><tr><td style="width:1.0%"></td><td style="width:36.964%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:4.061%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.383%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:33.900%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.192%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Large accelerated filer</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#9746;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Accelerated filer</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#9744;</font></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Non-accelerated filer</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#9744;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Smaller reporting company</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#9744;</font></td></tr><tr><td colspan="3" style="border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Emerging growth company</font></td><td colspan="3" style="border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#9744;</font></td></tr></table></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> </font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">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 7(a)(2)(B) of the Securities Act. &#9744;</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">________________________</font></div><div style="height:57.6pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div><div id="ic9215b139aa4496387393c78209c8057_4"></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="margin-bottom:8pt"><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">EXPLANATORY NOTE AND GENERAL INSTRUCTION E INFORMATION</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"> </font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">This Registration Statement on Form S-8 is being filed by Geron Corporation (the &#8220;Registrant&#8221;) for the purpose of registering an additional (i) 20,000,000 shares of the Registrant's common stock, par value $0.001 per share (the &#8220;Common Stock&#8221;) issuable under the Registrant's 2018 Equity Incentive Plan, as amended (the &#34;2018 Incentive Plan&#34;) and (ii) 6,000,000 shares of the Registrant's Common Stock issuable under the Registrant's 2014 Employee Stock Purchase Plan, as amended (the &#34;2014 ESPP&#34;). </font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">The additional shares of Common Stock registered hereunder for issuance under the Registrant's 2018 Incentive Plan and 2014 ESPP are of the same class as other securities for which a Registration Statement on Form S-8 has previously been filed by the Registrant and is effective. Accordingly, in accordance with General Instruction E of Form S-8, this Registration Statement incorporates by reference the contents of the following Registration Statements on Form S-8 previously filed by the Registrant&#58; (a) with respect to the shares registered under the 2018 Incentive Plan (i) File no. </font><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000120677418001714/geron33139013_s-8.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">333-225190</a></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">, filed with the Securities and Exchange Commission (the &#34;Commission&#34;) on May 24, 2018&#59; (ii) File no. </font><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000120677420001914/geron3773081-s8.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">333-239324</a></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">,</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:112%"> </font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">filed with the Commission on June 19, 2020&#59; (iii) File no. </font><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000120677421002189/geron3943351-s8.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">333-258864</a></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">, filed with the Commission on August 16, 2021&#59; (iv) File no. </font><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000095017022016934/gern-s-8-aug-2022.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">333-266795</a></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">, filed with the Commission on August 11, 2022&#59; and (v) File no. </font><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000095017023038134/gern-s-8-aug-2023.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">333-273669</a></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">, filed with the Commission on August 3, 2023&#59; and (b) with respect to the shares registered under the 2014 ESPP (i) File no. </font><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000120677414001930/geron_s8.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">333-196677</a></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">,</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:112%"> </font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">filed with the Commission on June 11, 2014&#59; and (ii)  File no. </font><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000095017022016934/gern-s-8-aug-2022.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">333-266795</a></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">, filed with the Commission on August 11, 2022, except, in each case, for &#8220;Item 8. Exhibits&#8221; with respect to which the exhibit index set forth below is incorporated herein by reference. </font></div><div><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">PART II</font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</font></div><div style="text-align:center"><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:104%">Item 3. Incorporation of Documents by Reference</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"> </font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The following documents filed by the Registrant with the Commission are incorporated by reference into this Registration Statement&#58;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </font></div><div style="margin-top:6pt;padding-left:48.95pt;text-indent:-24.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:21pt">the Registrant&#8217;s Annual Report on Form 10-K for the year ended December 31, 2024, filed with the Commission on </font><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000095017025027982/gern-20241231.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">February 27, 2025</a></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#59;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </font></div><div style="margin-top:6pt;padding-left:48.95pt;text-indent:-24.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:21pt">the Registrant&#8217;s Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2025, filed with the Commission on </font><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000088674425000010/gern-20250331.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">May 7, 2025</a></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#59;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </font></div><div style="margin-top:6pt;padding-left:48.95pt;text-indent:-24.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:21pt">the Registrant&#8217;s Current Reports on Form 8-K, filed with the Commission on </font><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000095017025037260/gern-20250310.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">Mar</a><a href="https://www.sec.gov/Archives/edgar/data/886744/000095017025037260/gern-20250310.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">ch 11, 2025</a></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">, </font><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000095017025040247/gern-20250310.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">March 17, 2025</a></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> and </font><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000088674425000032/gern-20250521.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">May </a><a href="https://www.sec.gov/Archives/edgar/data/886744/000088674425000032/gern-20250521.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">27, 2025</a></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#59;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </font></div><div style="margin-top:6pt;padding-left:48.95pt;text-indent:-24.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:21pt">the information specifically incorporated by reference into the Registrant&#8217;s 2024 Annual Report on Form 10-K referred to above from the Registrant&#8217;s definitive proxy statement relating to the Registrant&#8217;s 2025 annual meeting of stockholders, filed with the Commission on </font><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000114036125012825/ny20043280x1_def14a.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">April 8, 2025</a></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#59; and</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </font></div><div style="margin-top:6pt;padding-left:48.95pt;text-indent:-24.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:21pt">the description of the Registrant&#8217;s common stock set forth in the Registrant&#8217;s registration statement on Form 8-A, filed with the Commission on </font><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/0000891618-96-000872.txt" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">June 13, 1996</a></font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">, including any amendments or reports filed for purpose of updating such description.</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">All reports and other documents filed by the Registrant pursuant to Section 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;), other than Current Reports furnished under Item 2.02 or Item 7.01 of Form 8-K and exhibits furnished on such form that relate to such items, after the date of this Registration Statement and prior to the filing of a post-effective amendment which indicates that all securities offered hereby have been sold or which deregisters all securities then remaining unsold, shall be deemed to be </font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:8pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:125%">2</font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="margin-bottom:8pt"><font><br></font></div></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">incorporated by reference herein and to be a part of this Registration Statement from the date of filing such reports and documents. Any statement contained in a document incorporated or deemed to be incorporated herein by reference shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a statement herein or in any other subsequently filed document which also is or is deemed to be incorporated by reference herein modifies or supersedes that statement. Any such statement so modified or superseded shall not constitute a part of this Registration Statement, except as so modified or superseded.</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:104%">Item 8. Exhibits</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"> </font></div><div style="padding-left:6.5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:98.557%"><tr><td style="width:1.0%"></td><td style="width:12.395%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:42.152%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.030%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:4.916%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.948%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.959%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">&#160;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">&#160;</font></td><td colspan="12" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Incorporation by Reference</font></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Exhibit Number</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Description</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Exhibit Number</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Filing</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Filing Date</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">File No.</font></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4.1</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-right:-2.63pt"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000120677412002137/exhibit3-3.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">Restated Certificate of Incorporation</a></font></div></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3.3</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8-K</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">May 18, 2012</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">000-20859</font></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4.2</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-right:-2.63pt"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000120677412002137/exhibit3-1.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">Certificate of Amendment of the Restated Certificate of Incorporation</a></font></div></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3.1</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8-K</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">May 18, 2012</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">000-20859</font></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4.3</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-right:-2.63pt"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000120677419001851/geron3600721-ex31.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">Certificate of Amendment of the Restated Certificate of Incorporation</a></font></div></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3.1</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8-K</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">June 7, 2019</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">000-20859</font></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4.4</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-right:-2.63pt"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000120677421001453/geron3909221-ex31.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">Certificate of Amendment of the Restated Certificate of Incorporation</a></font></div></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3.1</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8-K</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">May 13, 2021</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">000-20859</font></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4.5</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-right:-2.63pt"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000095017023026166/gern-ex3_1.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">Certificate of Amendment of the Restated Certificate of Incorporation</a></font></div></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3.1</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8-K</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">June 2, 2023</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">000-20859</font></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4.6</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-right:-2.63pt"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000095017023070765/gern-ex3_1.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">Amended and Restated Bylaws</a></font></div></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3.1</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8-K</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">December 15, 2023</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">000-20859</font></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4.7</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-right:-2.63pt"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000104746913002849/a2213377zex-4_1.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">Form of Common Stock Certificate</a></font></div></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4.1</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">10-K</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">March 15, 2013</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">000-20859</font></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5.1</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="geron-51opinionjune2025for.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Opinion of Cooley LLP</a><a href="geron-51opinionjune2025for.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">*</a></font></div></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">23.1</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="geron-231auditorconsent.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Consent of Ernst &#38; Young LLP, independent registered public accounting firm</a><a href="geron-231auditorconsent.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">*</a></font></div></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">23.2</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="geron-51opinionjune2025for.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Consent of Cooley LLP (included in Exhibit 5.1)</a><a href="geron-51opinionjune2025for.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">*</a></font></div></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">24.1</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-right:-2.63pt"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ic9215b139aa4496387393c78209c8057_87" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Power of Attorney (included on the signature page to this Registration Statement)</a><a href="#ic9215b139aa4496387393c78209c8057_87" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">*</a></font></div></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;</font></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">99.1</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000088674425000032/exhibit101_geron2018equity.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">G</a><a href="https://www.sec.gov/Archives/edgar/data/886744/000088674425000032/exhibit101_geron2018equity.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">eron Corporation 2018 Equity Incentive Plan, as amended</a></font></div></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">10.1</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8-K</font></div></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">May 27, 2025</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">000-20859</font></div></td></tr><tr><td colspan="3" style="border-left:0.75pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">99.2</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/886744/000088674425000032/exhibit102_geron2014esppas.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">G</a><a href="https://www.sec.gov/Archives/edgar/data/886744/000088674425000032/exhibit102_geron2014esppas.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">eron Corporation 2014 Employee Stock Purchase Plan, as amended</a></font></div></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">10.2</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8-K</font></div></td><td colspan="3" style="border-left:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">May 27, 2025</font></td><td colspan="3" style="border-left:0.75pt solid #000000;border-right:0.75pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><div 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"> *&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Filed herewith.</font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:8pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:125%">3</font></div></div></div><div id="ic9215b139aa4496387393c78209c8057_87"></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="margin-bottom:8pt"><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">SIGNATURES</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"> </font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Foster City, State of California, on June 30, 2025.</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">                                                                                                GERON CORPORATION</font></div><div><font 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">, that each person whose signature appears below constitutes and appoints Dawn C. 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Molineaux</font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Director</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">June 30, 2025</font></td></tr><tr><td colspan="3" style="border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">SUSAN M. MOLINEAUX</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-right:-2.63pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#47;s&#47;Elizabeth G. O&#8217;Farrell</font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Director</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">June 30, 2025</font></td></tr><tr><td colspan="3" style="border-top:0.75pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">ELIZABETH G. 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Document
As filed with the Securities and Exchange Commission on June 30, 2025
Registration No. 333-
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER THE SECURITIES ACT OF 1933
GERON CORPORATION
(Exact name of registrant as specified in its charter)
Delaware
75-2287752
(State or other jurisdiction incorporation or organization)
(I.R.S. Employer Identification No.)
919 E. Hillsdale Blvd, Suite 250
Foster City, California
94404
(Addresses of Principal Executive Offices)
(Zip Code)
Geron Corporation 2018 Equity Incentive Plan
Geron Corporation 2014 Employee Stock Purchase Plan
(
Full title of the plans
)
Dawn C. Bir
Interim President and Chief Executive Officer
Geron Corporation
919 E. Hillsdale Blvd, Suite 250
Foster City, California 94404
(650) 473-7700
(
Name and address of agent for service
)
(Telephone number, including area code, of agent for service)
Copies to
:
Chadwick L. Mills
Cooley LLP
3 Embarcadero Center, 20th Floor
San Francisco, California 94111
(415) 693-2000
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.
Large accelerated filer
☒
Accelerated filer
☐
Non-accelerated filer
☐
Smaller reporting company
☐
Emerging growth company
☐
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 7(a)(2)(B) of the Securities Act. ☐
________________________
EXPLANATORY NOTE AND GENERAL INSTRUCTION E INFORMATION
This Registration Statement on Form S-8 is being filed by Geron Corporation (the "Registrant") for the purpose of registering an additional (i) 20,000,000 shares of the Registrant's common stock, par value $0.001 per share (the "Common Stock") issuable under the Registrant's 2018 Equity Incentive Plan, as amended (the "2018 Incentive Plan") and (ii) 6,000,000 shares of the Registrant's Common Stock issuable under the Registrant's 2014 Employee Stock Purchase Plan, as amended (the "2014 ESPP").
The additional shares of Common Stock registered hereunder for issuance under the Registrant's 2018 Incentive Plan and 2014 ESPP are of the same class as other securities for which a Registration Statement on Form S-8 has previously been filed by the Registrant and is effective. Accordingly, in accordance with General Instruction E of Form S-8, this Registration Statement incorporates by reference the contents of the following Registration Statements on Form S-8 previously filed by the Registrant: (a) with respect to the shares registered under the 2018 Incentive Plan (i) File no.
333-225190
, filed with the Securities and Exchange Commission (the "Commission") on May 24, 2018; (ii) File no.
333-239324
,
filed with the Commission on June 19, 2020; (iii) File no.
333-258864
, filed with the Commission on August 16, 2021; (iv) File no.
333-266795
, filed with the Commission on August 11, 2022; and (v) File no.
333-273669
, filed with the Commission on August 3, 2023; and (b) with respect to the shares registered under the 2014 ESPP (i) File no.
333-196677
,
filed with the Commission on June 11, 2014; and (ii)  File no.
333-266795
, filed with the Commission on August 11, 2022, except, in each case, for "Item 8. Exhibits" with respect to which the exhibit index set forth below is incorporated herein by reference.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 3. Incorporation of Documents by Reference
The following documents filed by the Registrant with the Commission are incorporated by reference into this Registration Statement:
•
the Registrant's Annual Report on Form 10-K for the year ended December 31, 2024, filed with the Commission on
February 27, 2025
;
•
the Registrant's Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2025, filed with the Commission on
May 7, 2025
;
•
the Registrant's Current Reports on Form 8-K, filed with the Commission on
Mar
ch 11, 2025
,
March 17, 2025
and
May
27, 2025
;
•
the information specifically incorporated by reference into the Registrant's 2024 Annual Report on Form 10-K referred to above from the Registrant's definitive proxy statement relating to the Registrant's 2025 annual meeting of stockholders, filed with the Commission on
April 8, 2025
; and
•
the description of the Registrant's common stock set forth in the Registrant's registration statement on Form 8-A, filed with the Commission on
June 13, 1996
, including any amendments or reports filed for purpose of updating such description.
All reports and other documents filed by the Registrant pursuant to Section 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), other than Current Reports furnished under Item 2.02 or Item 7.01 of Form 8-K and exhibits furnished on such form that relate to such items, after the date of this Registration Statement and prior to the filing of a post-effective amendment which indicates that all securities offered hereby have been sold or which deregisters all securities then remaining unsold, shall be deemed to be
2
incorporated by reference herein and to be a part of this Registration Statement from the date of filing such reports and documents. Any statement contained in a document incorporated or deemed to be incorporated herein by reference shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a statement herein or in any other subsequently filed document which also is or is deemed to be incorporated by reference herein modifies or supersedes that statement. Any such statement so modified or superseded shall not constitute a part of this Registration Statement, except as so modified or superseded.
Item 8. Exhibits
Incorporation by Reference
Exhibit Number
Description
Exhibit Number
Filing
Filing Date
File No.
4.1
Restated Certificate of Incorporation
3.3
8-K
May 18, 2012
000-20859
4.2
Certificate of Amendment of the Restated Certificate of Incorporation
3.1
8-K
May 18, 2012
000-20859
4.3
Certificate of Amendment of the Restated Certificate of Incorporation
3.1
8-K
June 7, 2019
000-20859
4.4
Certificate of Amendment of the Restated Certificate of Incorporation
3.1
8-K
May 13, 2021
000-20859
4.5
Certificate of Amendment of the Restated Certificate of Incorporation
3.1
8-K
June 2, 2023
000-20859
4.6
Amended and Restated Bylaws
3.1
8-K
December 15, 2023
000-20859
4.7
Form of Common Stock Certificate
4.1
10-K
March 15, 2013
000-20859
5.1
Opinion of Cooley LLP
*
—
—
—
—
23.1
Consent of Ernst & Young LLP, independent registered public accounting firm
*
—
—
—
—
23.2
Consent of Cooley LLP (included in Exhibit 5.1)
*
—
—
—
—
24.1
Power of Attorney (included on the signature page to this Registration Statement)
*
—
—
—
—
99.1
G
eron Corporation 2018 Equity Incentive Plan, as amended
10.1
8-K
May 27, 2025
000-20859
99.2
G
eron Corporation 2014 Employee Stock Purchase Plan, as amended
10.2
8-K
May 27, 2025
000-20859
107
F
iling
Fee Table*
—
—
—
—
_____________________
*
Filed herewith.
3
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Foster City, State of California, on June 30, 2025.
GERON CORPORATION
By:
/s/Michelle Robertson
Michelle Robertson
Executive Vice President, Finance, Chief Financial Officer and Treasurer
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENT
, that each person whose signature appears below constitutes and appoints Dawn C. Bir, Michelle Robertson and Scott A. Samuels, and each of them, his or her true and lawful attorneys-in-fact and agents, each with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all amendments (including post-effective amendments) to this Registration Statement, and to file the same, with all exhibits thereto and other documents in connection therewith, with the Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in order to effectuate the same as fully, to all intents and purposes, as he or she might or could do in person, hereby ratifying and confirming all that each of said attorneys-in-fact and agents, or any of them, or their or his substitutes or substitute may lawfully do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities and on the date indicated.
4
Signature
Title
Date
/s/Dawn C. Bir
Interim President and Chief Executive Officer and
June 30, 2025
DAWN C. BIR
Director (Principal Executive Officer)
/s/Michelle Robertson
Executive Vice President, Finance, Chief
June 30, 2025
MICHELLE ROBERTSON
Financial Officer and Treasurer
(Principal Financial and Accounting Officer)
/s/Gaurav Aggarwal
Director
June 30, 2025
GAURAV AGGARWAL
/s/V. Bryan Lawlis
Director
June 30, 2025
V. BRYAN LAWLIS
/s/John McDonald
Director
June 30, 2025
JOHN MCDONALD
/s/Susan M. Molineaux
Director
June 30, 2025
SUSAN M. MOLINEAUX
/s/Elizabeth G. O'Farrell
Director
June 30, 2025
ELIZABETH G. O'FARRELL
/s/Robert J. Spiegel
Director
June 30, 2025
ROBERT J. SPIEGEL
5