OTHER INFORMATION
−Removed: During the three months ended September 30, 2025, none of our directors or officers (as defined in Rule 16a-1(f) under the Exchange Act) adopted or terminated any “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as those terms are defined in Item 408 of Regulation S-K.
+Added: During the three months ended March 31, 2026, none of our directors or officers (as defined in Rule 16a-1(f) under the Exchange Act) adopted or terminated any “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as those terms are defined in Item 408 of Regulation S-K.
Incorporation by Reference
1 unchanged sentence
Number Filing Filing Date File No.
−Removed: Employment Agreement by and between the Company and Harout Semerjian, effective August 7, 2025.
−Removed: August 6, 2025 000-20859
−Removed: Geron Corporation Amended and Restated Severance Plan, as amended.
−Removed: August 6, 2025 000-20859
−Removed: 10.3* Geron Corporation 2018 Inducement Award Plan, as amended.
−Removed: August 6, 2025 000-20859
−Removed: Certification of Chief Executive Officer pursuant to Form of Rule 13a‑14(a), as adopted pursuant to Section 302(a) of the Sarbanes‑Oxley Act of 2002, dated November 7, 2025.
−Removed: 31.2+ Certification of Chief Financial Officer pursuant to Form of Rule 13a‑14(a), as adopted pursuant to Section 302(a) of the Sarbanes‑Oxley Act of 2002, dated November 7, 2025.
+Added: Amended Non-Employee Director Compensation Policy, effective March 12, 2026
+Added: 10.2 First Amendment to Loan Agreement, dated January 5, 2026, among the Registrant, BioPharma Credit Investments V (Master) LP and BPCR Limited Partnership.
+Added: March 2, 2026
+Added: Consulting Agreement by and between the Company and Andrew Grethlein, effective October 16, 2025.
+Added: E mployment Agreement by and between the Company and Timothy Williams, effective April 13, 2026.
+Added: Certification of Chief Executive Officer pursuant to Form of Rule 13a‑14(a), as adopted pursuant to Section 302(a) of the Sarbanes‑Oxley Act of 2002 .
+Added: 31.2+ Certification of Chief Financial Officer pursuant to Form of Rule 13a‑14(a), as adopted pursuant to Section 302(a) of the Sarbanes‑Oxley Act of 2002 .
32.1+ Certification of Chief Executive Officer pursuant to 18 U.S.C.
−Removed: Section 1350, as adopted pursuant to Section 906 of the Sarbanes‑Oxley Act of 2002, dated November 7, 2025.**
+Added: Section 1350, as adopted pursuant to Section 906 of the Sarbanes‑Oxley Act of 2002 .**
32.2+ Certification of Chief Financial Officer pursuant to 18 U.S.C.
−Removed: Section 1350, as adopted pursuant to Section 906 of the Sarbanes‑Oxley Act of 2002, dated November 7, 2025.**
−Removed: 101 The following materials from the Registrant’s September 30, 2025 Quarterly Report on Form 10-Q for the quarter ended September 30, 2025 formatted in Inline Extensible Business Reporting Language (iXBRL) include:
−Removed: (i) Condensed Consolidated Balance Sheets as of September 30, 2025 and December 31, 2024, (ii) Condensed Consolidated Statements of Operations and Comprehensive Loss for the three and nine months ended September 30, 2025 and 2024, (iii) Condensed Consolidated Statements of Stockholders’ Equity for the three and nine months ended September 30, 2025 and 2024, (iv) Condensed Consolidated Statements of Cash Flows for the three and nine months ended September 30, 2025 and 2024 and (v) Notes to Condensed Consolidated Financial Statements.
+Added: Section 1350, as adopted pursuant to Section 906 of the Sarbanes‑Oxley Act of 2002 .**
+Added: 101 The following materials from the Registrant’s March 31, 2026 Quarterly Report on Form 10-Q for the quarter ended March 31, 2026 formatted in Inline Extensible Business Reporting Language (iXBRL) include:
+Added: (i) Condensed Consolidated Balance Sheets as of March 31, 2026 and December 31, 2025, (ii) Condensed Consolidated Statements of Operations and Comprehensive Loss for the three months ended March 31, 2026 and 2025, (iii) Condensed Consolidated Statements of Stockholders’ Equity for the three months ended March 31, 2026 and 2025, (iv) Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2026 and 2025 and (v) Notes to Condensed Consolidated Financial Statements.
104 Cover Page Interactive Data File (embedded within the Inline XBRL document)
5 unchanged sentences
GERON CORPORATION
−Removed: November 7, 2025
/s/ MICHELLE ROBERTSON
MICHELLE ROBERTSON
−Removed: Executive Vice President, Finance, Chief Financial Officer and Treasurer (Duly Authorized Officer and Principal Financial and Accounting Officer)
+Added: Executive Vice President, Chief Financial Officer and Treasurer (Duly Authorized Officer and Principal Financial and Accounting Officer)
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.