Fuelcell Energy, Inc. SEC filings FCELB
Fuelcell Energy, Inc. has 1,003 filings in SEC EDGAR's recent list, going back to May 2, 2012. Its latest annual report, Form ARS, was filed on Feb 18, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Sep 2, 2026, covering the quarter ended Jul 31, 2026. The most recent current report (Form 8-K) was filed on Oct 28, 2026 (officer or director change, regulation fd disclosure). The company's fiscal year ends on October 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 28, 2026 | Oct 26, 2026 |
| 8-K |
Current report
Officer or director change
|
Oct 7, 2026 | Oct 4, 2026 |
| 10-Q | Quarterly report | Sep 2, 2026 | Jul 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Sep 2, 2026 | Sep 2, 2026 |
| 8-K |
Current report
Other events
|
Jul 21, 2026 | Jul 21, 2026 |
| 424B7 | Filing | Jul 21, 2026 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jul 9, 2026 | Jul 7, 2026 |
| 424B5 | Prospectus supplement | Jul 8, 2026 | — |
| 424B5 | Prospectus supplement | Jul 7, 2026 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure, Other events
|
Jun 24, 2026 | Jun 22, 2026 |
| S-3ASR | Automatic shelf registration | Jun 8, 2026 | — |
| 10-Q | Quarterly report | Jun 8, 2026 | Apr 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jun 8, 2026 | Jun 8, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2026 | — |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
May 21, 2026 | May 19, 2026 |
| S-8 | Employee stock plan registration | Apr 10, 2026 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Apr 6, 2026 | Apr 2, 2026 |
| 10-Q | Quarterly report | Mar 9, 2026 | Jan 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 9, 2026 | Mar 9, 2026 |
| ARS | Annual report to shareholders | Feb 18, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Feb 18, 2026 | — |
| DEF 14A | Proxy statement | Feb 18, 2026 | Apr 2, 2026 |
| 8-K |
Current report
Officer or director change
|
Feb 4, 2026 | Feb 3, 2026 |
| 8-K |
Current report
Officer or director change, Other events
|
Jan 7, 2026 | Jan 5, 2026 |
| 8-K |
Current report
Material agreement
|
Dec 30, 2025 | Dec 30, 2025 |
| 424B5 | Prospectus supplement | Dec 30, 2025 | — |
| 10-K | Annual report | Dec 18, 2025 | Oct 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Dec 18, 2025 | Dec 18, 2025 |
| 8-K |
Current report
Officer or director change
|
Dec 1, 2025 | Nov 28, 2025 |
| 8-K |
Current report
Other events
|
Nov 10, 2025 | Nov 6, 2025 |
| 10-Q | Quarterly report | Sep 9, 2025 | Jul 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Sep 9, 2025 | Sep 9, 2025 |
| 8-K |
Current report
Other events
|
Aug 29, 2025 | Aug 25, 2025 |
| 8-K |
Current report
Officer or director change
|
Jun 13, 2025 | Jun 13, 2025 |
| 10-Q | Quarterly report | Jun 6, 2025 | Apr 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jun 6, 2025 | Jun 6, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2025 | — |
| EFFECT | Filing | May 8, 2025 | — |
| CORRESP | Letter to the SEC | May 6, 2025 | — |
| 8-K |
Current report
Other events
|
May 6, 2025 | Apr 30, 2025 |
| UPLOAD | Letter from the SEC | May 6, 2025 | — |
| S-3 | Shelf registration | Apr 29, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Apr 29, 2025 | Apr 23, 2025 |
| S-8 | Employee stock plan registration | Apr 21, 2025 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Apr 21, 2025 | Apr 17, 2025 |
| DEFA14A | Additional proxy material | Apr 3, 2025 | — |
| 8-K |
Current report
Other events
|
Apr 3, 2025 | Apr 3, 2025 |
| 10-Q | Quarterly report | Mar 11, 2025 | Jan 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 11, 2025 | Mar 11, 2025 |
| EFFECT | Filing | Mar 10, 2025 | — |
| 424B5 | Prospectus supplement | Mar 10, 2025 | — |
| CORRESP | Letter to the SEC | Mar 6, 2025 | — |
| CORRESP | Letter to the SEC | Mar 5, 2025 | — |
| POS AM | Filing | Mar 5, 2025 | — |
| ARS | Annual report to shareholders | Feb 21, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Feb 21, 2025 | — |
| DEF 14A | Proxy statement | Feb 21, 2025 | Apr 3, 2025 |
| 8-K |
Current report
Officer or director change, Other events
|
Jan 6, 2025 | Dec 30, 2024 |
| UPLOAD | Letter from the SEC | Jan 6, 2025 | — |
| POS AM | Filing | Dec 27, 2024 | — |
| 10-K | Annual report | Dec 27, 2024 | Oct 31, 2024 |
| POSASR | Filing | Dec 27, 2024 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Dec 19, 2024 | Dec 19, 2024 |
| 8-K |
Current report
Other events
|
Nov 26, 2024 | Nov 25, 2024 |
| 8-K |
Current report
Results of operations, Exit or restructuring costs
|
Nov 15, 2024 | Nov 13, 2024 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Regulation FD disclosure
|
Nov 7, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Nov 1, 2024 | Oct 31, 2024 |
| PX14A6G | Filing | Sep 25, 2024 | — |
| DEFA14A | Additional proxy material | Sep 17, 2024 | — |
| DEF 14A | Proxy statement | Sep 17, 2024 | Oct 31, 2024 |
| PRE 14A | Preliminary proxy statement | Sep 6, 2024 | Oct 31, 2024 |
| 10-Q | Quarterly report | Sep 5, 2024 | Jul 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Sep 5, 2024 | Sep 5, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Sep 4, 2024 | Sep 3, 2024 |
| DEFA14A | Additional proxy material | Aug 20, 2024 | — |
| 8-K |
Current report
Other events
|
Aug 20, 2024 | Aug 20, 2024 |
| 8-K |
Current report
Material agreement
|
Aug 2, 2024 | Aug 2, 2024 |
| 10-Q | Quarterly report | Jun 10, 2024 | Apr 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jun 10, 2024 | Jun 10, 2024 |
| 8-K |
Current report
Listing notice
|
Jun 6, 2024 | May 31, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2024 | — |
| 8-K |
Current report
Other events
|
May 28, 2024 | May 28, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Apr 29, 2024 | Apr 29, 2024 |
| 8-K |
Current report
Material agreement
|
Apr 10, 2024 | Apr 10, 2024 |
| 424B5 | Prospectus supplement | Apr 10, 2024 | — |
| 8-K |
Current report
Officer or director change
|
Apr 9, 2024 | Apr 4, 2024 |
| S-8 | Employee stock plan registration | Apr 5, 2024 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Apr 5, 2024 | Apr 4, 2024 |
| 8-K |
Current report
Material agreement
|
Apr 4, 2024 | Mar 31, 2024 |
| DEFA14A | Additional proxy material | Mar 21, 2024 | — |
| 8-K |
Current report
Other events
|
Mar 14, 2024 | Mar 8, 2024 |
| 10-Q | Quarterly report | Mar 7, 2024 | Jan 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 7, 2024 | Mar 7, 2024 |
| DEFA14A | Additional proxy material | Mar 6, 2024 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
Feb 22, 2024 | Feb 22, 2024 |
| ARS | Annual report to shareholders | Feb 16, 2024 | Oct 31, 2023 |
| DEFA14A | Additional proxy material | Feb 16, 2024 | — |
| DEF 14A | Proxy statement | Feb 16, 2024 | Apr 4, 2024 |
| 8-K |
Current report
Other events
|
Feb 6, 2024 | Jan 31, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 4, 2024 | Jan 2, 2024 |
| 10-K | Annual report | Dec 19, 2023 | Oct 31, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Dec 19, 2023 | Dec 19, 2023 |
| 8-K |
Current report
Officer or director change
|
Dec 15, 2023 | Dec 11, 2023 |
| S-3ASR | Automatic shelf registration | Oct 13, 2023 | — |
| 8-K |
Current report
Shareholder vote results, Other events
|
Oct 11, 2023 | Oct 10, 2023 |
| 10-Q | Quarterly report | Sep 11, 2023 | Jul 31, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Sep 11, 2023 | Sep 11, 2023 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Aug 28, 2023 | Aug 25, 2023 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Regulation FD disclosure
|
Aug 24, 2023 | Aug 18, 2023 |
| DEFA14A | Additional proxy material | Aug 22, 2023 | — |
| DEFA14A | Additional proxy material | Aug 22, 2023 | — |
| DEF 14A | Proxy statement | Aug 22, 2023 | Oct 10, 2023 |
| 8-K |
Current report
Other events
|
Aug 21, 2023 | Aug 18, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Aug 17, 2023 | Aug 14, 2023 |
| PRE 14A | Preliminary proxy statement | Aug 10, 2023 | Oct 10, 2023 |
| DEF 14A | Proxy statement | Aug 10, 2023 | Oct 10, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jul 28, 2023 | Jul 21, 2023 |
| DEFA14A | Additional proxy material | Jul 18, 2023 | — |
| 8-K |
Current report
Other events
|
Jul 18, 2023 | Jul 18, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jul 18, 2023 | Jul 17, 2023 |
| S-8 | Employee stock plan registration | Jun 28, 2023 | — |
| 10-Q | Quarterly report | Jun 8, 2023 | Apr 30, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jun 8, 2023 | Jun 8, 2023 |
| 8-K |
Current report
Material agreement
|
May 30, 2023 | May 24, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 26, 2023 | — |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Regulation FD disclosure
|
May 25, 2023 | May 19, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 23, 2023 | May 22, 2023 |
| DEFA14A | Additional proxy material | May 18, 2023 | — |
| DEFA14A | Additional proxy material | May 17, 2023 | — |
| DEFA14A | Additional proxy material | May 16, 2023 | — |
| 8-K |
Current report
Other events
|
May 12, 2023 | May 8, 2023 |
| DEFA14A | Additional proxy material | May 10, 2023 | — |
| DEFA14A | Additional proxy material | May 10, 2023 | — |
| DEFA14A | Additional proxy material | May 9, 2023 | — |
| 8-K |
Current report
Other events
|
May 1, 2023 | Apr 28, 2023 |
| DEFA14A | Additional proxy material | Apr 27, 2023 | — |
| 8-K |
Current report
Other events
|
Apr 27, 2023 | Apr 27, 2023 |
| DEFA14A | Additional proxy material | Apr 24, 2023 | — |
| DEFA14A | Additional proxy material | Apr 14, 2023 | — |
| DEFA14A | Additional proxy material | Apr 14, 2023 | — |
| DEFA14A | Additional proxy material | Apr 6, 2023 | — |
| 8-K |
Current report
Other events
|
Apr 6, 2023 | Apr 6, 2023 |
| DEFA14A | Additional proxy material | Mar 30, 2023 | — |
| DEFA14A | Additional proxy material | Mar 23, 2023 | — |
| DEFA14A | Additional proxy material | Mar 21, 2023 | — |
| 10-Q | Quarterly report | Mar 9, 2023 | Jan 31, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 9, 2023 | Mar 9, 2023 |
| 8-K |
Current report
Material agreement
|
Feb 23, 2023 | Feb 20, 2023 |
| ARS | Annual report to shareholders | Feb 17, 2023 | Oct 31, 2022 |
| DEFA14A | Additional proxy material | Feb 17, 2023 | — |
| DEF 14A | Proxy statement | Feb 17, 2023 | Apr 6, 2023 |
| PRE 14A | Preliminary proxy statement | Jan 30, 2023 | Apr 26, 2023 |
| 8-K |
Current report
Material agreement
|
Jan 11, 2023 | Jan 5, 2023 |
| 10-K | Annual report | Dec 20, 2022 | Oct 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Dec 20, 2022 | Dec 20, 2022 |
| 8-K |
Current report
Material agreement
|
Dec 19, 2022 | Dec 19, 2022 |
| 8-K |
Current report
Officer or director change
|
Dec 7, 2022 | Dec 5, 2022 |
| 8-K |
Current report
Other events
|
Oct 4, 2022 | Sep 29, 2022 |
| 10-Q | Quarterly report | Sep 8, 2022 | Jul 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Sep 8, 2022 | Sep 8, 2022 |
| 8-K |
Current report
Material agreement, Agreement ended
|
Jul 12, 2022 | Jul 12, 2022 |
| 424B5 | Prospectus supplement | Jul 12, 2022 | — |
| 8-K |
Current report
Other events
|
Jul 7, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Officer or director change
|
Jun 21, 2022 | Jun 15, 2022 |
| 10-Q | Quarterly report | Jun 9, 2022 | Apr 30, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jun 9, 2022 | Jun 9, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 26, 2022 | — |
| 8-K |
Current report
Other events
|
May 20, 2022 | May 16, 2022 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
May 5, 2022 | Apr 29, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Apr 8, 2022 | Apr 7, 2022 |
| 8-K |
Current report
Other events
|
Apr 7, 2022 | Apr 7, 2022 |
| 8-K |
Current report
Officer or director change
|
Apr 5, 2022 | Mar 31, 2022 |
| DEFA14A | Additional proxy material | Mar 29, 2022 | — |
| 8-K |
Current report
Other events
|
Mar 21, 2022 | Mar 21, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 16, 2022 | Mar 16, 2022 |
| 10-Q | Quarterly report | Mar 10, 2022 | Jan 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 10, 2022 | Mar 10, 2022 |
| 8-K |
Current report
Other events
|
Feb 22, 2022 | Feb 15, 2022 |
| DEFA14A | Additional proxy material | Feb 22, 2022 | — |
| DEF 14A | Proxy statement | Feb 22, 2022 | Apr 7, 2022 |
| 10-K | Annual report | Dec 29, 2021 | Oct 31, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Dec 29, 2021 | Dec 29, 2021 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Dec 27, 2021 | Dec 20, 2021 |
| 8-K |
Current report
Officer or director change
|
Dec 16, 2021 | Dec 10, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 6, 2021 | Dec 2, 2021 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure, Other events
|
Nov 2, 2021 | Oct 29, 2021 |
| 10-Q | Quarterly report | Sep 14, 2021 | Jul 31, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Sep 14, 2021 | Sep 14, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Aug 16, 2021 | Aug 13, 2021 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jul 12, 2021 | Jul 9, 2021 |
| 8-K |
Current report
Material agreement, Agreement ended
|
Jun 11, 2021 | Jun 11, 2021 |
| 424B5 | Prospectus supplement | Jun 11, 2021 | — |
| 10-Q | Quarterly report | Jun 10, 2021 | Apr 30, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jun 10, 2021 | Jun 10, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jun 8, 2021 | Jun 2, 2021 |
| SD | Specialized disclosure (conflict minerals) | May 27, 2021 | — |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
May 27, 2021 | May 24, 2021 |
| 8-K/A |
Amended current report
Officer or director change, Shareholder vote results, Regulation FD disclosure, Other events
|
Apr 14, 2021 | Apr 8, 2021 |
| S-8 | Employee stock plan registration | Apr 8, 2021 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Regulation FD disclosure, Other events
|
Apr 8, 2021 | Apr 8, 2021 |
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
- Electrical Industrial Apparatus (SIC 3620)
- Listed as
- FCEL (Nasdaq), FCELB (OTC)
- Fiscal year ends
- October 31
- Incorporated in
- DE
- Headquarters
- Danbury, CT
- SEC filer status
- Accelerated filer
- SEC CIK
- 886128
- Former names
- ENERGY RESEARCH CORP /NY/ (until Jun 14, 1999)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.