Geron Corp SEC filings GERN
Geron Corp has 1,002 filings in SEC EDGAR's recent list, going back to Nov 16, 2009. Its latest annual report, Form ARS, was filed on Apr 7, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 4, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2026 | Nov 4, 2026 |
| 8-K |
Current report
Other events
|
Oct 28, 2026 | Oct 28, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 5, 2026 |
| S-8 | Employee stock plan registration | Aug 5, 2026 | — |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 27, 2026 | May 20, 2026 |
| 10-Q | Quarterly report | May 6, 2026 | Mar 31, 2026 |
| ARS | Annual report to shareholders | Apr 7, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 7, 2026 | — |
| DEF 14A | Proxy statement | Apr 7, 2026 | May 20, 2026 |
| 8-K |
Current report
Officer or director change
|
Mar 26, 2026 | Mar 25, 2026 |
| S-3ASR | Automatic shelf registration | Mar 2, 2026 | — |
| 10-K | Annual report | Mar 2, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2026 | Feb 25, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 12, 2026 | Jan 12, 2026 |
| 8-K |
Current report
Material agreement
|
Jan 6, 2026 | Jan 5, 2026 |
| 8-K |
Current report
Exit or restructuring costs
|
Dec 16, 2025 | Dec 10, 2025 |
| 10-Q | Quarterly report | Nov 7, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 14, 2025 | Oct 10, 2025 |
| S-8 | Employee stock plan registration | Aug 6, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Aug 6, 2025 | Aug 1, 2025 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 2025 |
| S-8 | Employee stock plan registration | Jun 30, 2025 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 27, 2025 | May 21, 2025 |
| 10-Q | Quarterly report | May 7, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 7, 2025 | May 7, 2025 |
| ARS | Annual report to shareholders | Apr 8, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 8, 2025 | — |
| DEF 14A | Proxy statement | Apr 8, 2025 | May 21, 2025 |
| 8-K/A |
Amended current report
Officer or director change
|
Mar 17, 2025 | Mar 10, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 11, 2025 | Mar 10, 2025 |
| 10-K | Annual report | Feb 27, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2025 | Feb 26, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 13, 2025 | Jan 13, 2025 |
| S-8 | Employee stock plan registration | Jan 10, 2025 | — |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Material agreement, Agreement ended, Acquisition or sale of assets, Results of operations, New debt, Regulation FD disclosure
|
Nov 7, 2024 | Nov 1, 2024 |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Acquisition or sale of assets, Results of operations
|
Aug 8, 2024 | Aug 8, 2024 |
| 8-K |
Current report
Other events
|
Jun 7, 2024 | Jun 6, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 13, 2024 | May 9, 2024 |
| 10-Q | Quarterly report | May 2, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 2, 2024 | May 2, 2024 |
| ARS | Annual report to shareholders | Mar 27, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Mar 27, 2024 | — |
| DEF 14A | Proxy statement | Mar 27, 2024 | May 9, 2024 |
| 8-K |
Current report
Material agreement
|
Mar 20, 2024 | Mar 19, 2024 |
| 424B5 | Prospectus supplement | Mar 20, 2024 | — |
| 8-K |
Current report
Other events
|
Mar 19, 2024 | Mar 19, 2024 |
| 8-K |
Current report
Other events
|
Mar 14, 2024 | Mar 14, 2024 |
| 10-K | Annual report | Feb 28, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2024 | Feb 28, 2024 |
| 8-K |
Current report
Other events
|
Jan 30, 2024 | Jan 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 8, 2024 | Jan 8, 2024 |
| 8-K |
Current report
Material agreement, New debt, Change to shareholder rights, Bylaw or fiscal year change
|
Dec 15, 2023 | Dec 14, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 28, 2023 | Nov 26, 2023 |
| 424B5 | Prospectus supplement | Nov 2, 2023 | — |
| 8-K |
Current report
Material agreement, Results of operations
|
Nov 2, 2023 | Nov 1, 2023 |
| 10-Q | Quarterly report | Nov 2, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Other events
|
Sep 29, 2023 | Sep 29, 2023 |
| 8-K |
Current report
Officer or director change
|
Sep 12, 2023 | Sep 11, 2023 |
| 8-K |
Current report
Other events
|
Aug 22, 2023 | Aug 21, 2023 |
| S-8 | Employee stock plan registration | Aug 3, 2023 | — |
| 8-K |
Current report
Results of operations
|
Aug 3, 2023 | Aug 3, 2023 |
| 10-Q | Quarterly report | Aug 3, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results, Other events
|
Jun 2, 2023 | May 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 11, 2023 | May 11, 2023 |
| 10-Q | Quarterly report | May 11, 2023 | Mar 31, 2023 |
| ARS | Annual report to shareholders | Apr 20, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Apr 20, 2023 | Apr 20, 2023 |
| DEFA14A | Additional proxy material | Apr 14, 2023 | — |
| DEFA14A | Additional proxy material | Apr 12, 2023 | — |
| DEF 14A | Proxy statement | Apr 12, 2023 | — |
| PRE 14A | Preliminary proxy statement | Mar 31, 2023 | May 31, 2023 |
| 8-K |
Current report
Other events
|
Mar 17, 2023 | Mar 17, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 16, 2023 | Mar 16, 2023 |
| 10-K | Annual report | Mar 16, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 13, 2023 | Mar 10, 2023 |
| 8-K |
Current report
Officer or director change
|
Feb 23, 2023 | Feb 21, 2023 |
| 8-K |
Current report
Material agreement
|
Jan 6, 2023 | Jan 5, 2023 |
| 424B5 | Prospectus supplement | Jan 6, 2023 | — |
| FWP | Free writing prospectus | Jan 5, 2023 | — |
| 424B5 | Prospectus supplement | Jan 4, 2023 | — |
| 8-K |
Current report
Results of operations, Other events
|
Jan 4, 2023 | Jan 4, 2023 |
| S-3ASR | Automatic shelf registration | Jan 4, 2023 | — |
| 8-K |
Current report
Other events
|
Dec 22, 2022 | Dec 21, 2022 |
| 10-Q | Quarterly report | Nov 7, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2022 | Nov 3, 2022 |
| 8-K |
Current report
Officer or director change
|
Sep 8, 2022 | Sep 7, 2022 |
| 8-K |
Current report
Other events
|
Sep 6, 2022 | Sep 2, 2022 |
| S-8 | Employee stock plan registration | Aug 11, 2022 | — |
| 8-K |
Current report
Results of operations
|
Aug 11, 2022 | Aug 11, 2022 |
| 10-Q | Quarterly report | Aug 11, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 30, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Officer or director change
|
Jun 15, 2022 | Jun 9, 2022 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 13, 2022 | May 10, 2022 |
| 8-K |
Current report
Results of operations
|
May 9, 2022 | May 9, 2022 |
| 10-Q | Quarterly report | May 9, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
Apr 13, 2022 | Apr 13, 2022 |
| 8-K |
Current report
Material agreement
|
Mar 30, 2022 | Mar 29, 2022 |
| 424B5 | Prospectus supplement | Mar 30, 2022 | — |
| 424B5 | Prospectus supplement | Mar 29, 2022 | — |
| DEFA14A | Additional proxy material | Mar 22, 2022 | — |
| DEF 14A | Proxy statement | Mar 22, 2022 | May 10, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 10, 2022 | Mar 10, 2022 |
| 10-K | Annual report | Mar 10, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Officer or director change
|
Feb 18, 2022 | Feb 16, 2022 |
| 8-K |
Current report
Results of operations
|
Jan 10, 2022 | Jan 10, 2022 |
| 8-K |
Current report
Officer or director change, Other events
|
Dec 2, 2021 | Dec 1, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2021 | Nov 9, 2021 |
| 10-Q | Quarterly report | Nov 9, 2021 | Sep 30, 2021 |
| S-8 | Employee stock plan registration | Aug 16, 2021 | — |
| 8-K |
Current report
Results of operations
|
Aug 16, 2021 | Aug 16, 2021 |
| 10-Q | Quarterly report | Aug 16, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Officer or director change
|
May 14, 2021 | May 11, 2021 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
May 13, 2021 | May 11, 2021 |
| 8-K |
Current report
Results of operations
|
May 10, 2021 | May 10, 2021 |
| 10-Q | Quarterly report | May 10, 2021 | Mar 31, 2021 |
| DEFA14A | Additional proxy material | Mar 22, 2021 | — |
| DEF 14A | Proxy statement | Mar 22, 2021 | May 11, 2021 |
| PRE 14A | Preliminary proxy statement | Mar 11, 2021 | May 11, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 11, 2021 | Mar 11, 2021 |
| 10-K | Annual report | Mar 11, 2021 | Dec 31, 2020 |
| SEC STAFF LETTER | Filing | Mar 5, 2021 | — |
| 8-K |
Current report
Officer or director change
|
Feb 5, 2021 | Feb 1, 2021 |
| SEC STAFF LETTER | Filing | Feb 4, 2021 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 8, 2021 | Jan 8, 2021 |
| EFFECT | Filing | Nov 6, 2020 | — |
| 424B5 | Prospectus supplement | Nov 6, 2020 | — |
| 8-K |
Current report
Results of operations
|
Nov 5, 2020 | Nov 5, 2020 |
| 10-Q | Quarterly report | Nov 5, 2020 | Sep 30, 2020 |
| CORRESP | Letter to the SEC | Nov 4, 2020 | — |
| CORRESP | Letter to the SEC | Oct 9, 2020 | — |
| CORRESP | Letter to the SEC | Oct 7, 2020 | — |
| 8-K |
Current report
Material agreement, New debt
|
Oct 1, 2020 | Sep 30, 2020 |
| UPLOAD | Letter from the SEC | Sep 10, 2020 | — |
| S-3 | Shelf registration | Sep 4, 2020 | — |
| 8-K |
Current report
Material agreement
|
Sep 4, 2020 | Sep 4, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2020 | Aug 6, 2020 |
| 10-Q | Quarterly report | Aug 6, 2020 | Jun 30, 2020 |
| S-8 | Employee stock plan registration | Jun 19, 2020 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 9, 2020 | Jun 5, 2020 |
| 8-K |
Current report
Results of operations
|
May 28, 2020 | May 28, 2020 |
| 10-Q | Quarterly report | May 28, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Material agreement, Results of operations
|
May 26, 2020 | May 21, 2020 |
| 424B5 | Prospectus supplement | May 26, 2020 | — |
| S-3MEF | A new registration statement filed under rule 462(b) | May 21, 2020 | — |
| S-3MEF | A new registration statement filed under rule 462(b) | May 21, 2020 | — |
| 424B5 | Prospectus supplement | May 21, 2020 | — |
| 8-K |
Current report
Other events
|
May 21, 2020 | May 20, 2020 |
| 8-K |
Current report
Other events
|
May 8, 2020 | May 8, 2020 |
| DEFA14A | Additional proxy material | Apr 14, 2020 | — |
| DEF 14A | Proxy statement | Apr 14, 2020 | Jun 5, 2020 |
| 8-K |
Current report
Other events
|
Apr 2, 2020 | Apr 1, 2020 |
| 8-K |
Current report
Results of operations
|
Mar 12, 2020 | Mar 12, 2020 |
| 10-K | Annual report | Mar 12, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Officer or director change
|
Feb 14, 2020 | Feb 11, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 13, 2020 | Jan 13, 2020 |
| 8-K |
Current report
Other events
|
Dec 18, 2019 | Dec 18, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2019 | Nov 6, 2019 |
| 10-Q | Quarterly report | Nov 6, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 15, 2019 | Oct 9, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2019 | Aug 1, 2019 |
| 10-Q | Quarterly report | Aug 1, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jun 7, 2019 | Jun 6, 2019 |
| 8-K |
Current report
Other events
|
May 16, 2019 | May 16, 2019 |
| CT ORDER | Filing | May 3, 2019 | — |
| 8-K |
Current report
Results of operations
|
May 2, 2019 | May 2, 2019 |
| 10-Q | Quarterly report | May 2, 2019 | Mar 31, 2019 |
| DEFA14A | Additional proxy material | Apr 22, 2019 | — |
| DEF 14A | Proxy statement | Apr 22, 2019 | Jun 6, 2019 |
| PRE 14A | Preliminary proxy statement | Apr 8, 2019 | Jun 6, 2019 |
| 8-K |
Current report
Officer or director change
|
Mar 28, 2019 | Mar 26, 2019 |
| S-8 | Employee stock plan registration | Mar 8, 2019 | — |
| 8-K |
Current report
Results of operations
|
Mar 7, 2019 | Mar 7, 2019 |
| 10-K | Annual report | Mar 7, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Feb 1, 2019 | Jan 29, 2019 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 7, 2019 | Jan 7, 2019 |
| 8-K |
Current report
Officer or director change
|
Dec 31, 2018 | Dec 26, 2018 |
| 8-K |
Current report
Officer or director change
|
Dec 14, 2018 | Dec 14, 2018 |
| S-8 | Employee stock plan registration | Nov 2, 2018 | — |
| 8-K |
Current report
Results of operations
|
Nov 1, 2018 | Nov 1, 2018 |
| 10-Q | Quarterly report | Nov 1, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Agreement ended, Other events
|
Sep 27, 2018 | Sep 26, 2018 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2018 | Jul 31, 2018 |
| 10-Q | Quarterly report | Jul 31, 2018 | Jun 30, 2018 |
| EFFECT | Filing | Jul 12, 2018 | — |
| 424B5 | Prospectus supplement | Jul 12, 2018 | — |
| CORRESP | Letter to the SEC | Jul 10, 2018 | — |
| S-3/A | Pre-effective amendment | Jul 10, 2018 | — |
| UPLOAD | Letter from the SEC | Jun 5, 2018 | — |
| S-8 | Employee stock plan registration | May 24, 2018 | — |
| S-3 | Shelf registration | May 24, 2018 | — |
| 424B5 | Prospectus supplement | May 18, 2018 | — |
| 8-K |
Current report
Material agreement, Officer or director change, Shareholder vote results, Other events
|
May 18, 2018 | May 15, 2018 |
| 8-K |
Current report
Results of operations
|
May 10, 2018 | May 10, 2018 |
| 10-Q | Quarterly report | May 10, 2018 | Mar 31, 2018 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- GERN (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Foster City, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 886744
- Former names
- GERON CORPORATION (until Aug 5, 2005)
Other Pharmaceutical Preparations companies
- ELI LILLY & Co LLY
- Johnson & Johnson JNJ
- AbbVie Inc. ABBV
- Merck & Co., Inc. MRK
- Novartis AG NVS
- Astrazeneca PLC AZN
- Abbott Laboratories ABT
- Novo Nordisk A S NVO
Source: SEC EDGAR filings. This is company-reported data, not investment advice.