Fuelcell Energy Inc SEC filings FCEL
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 |
|---|---|---|---|
| 4 | Insider transaction | Oct 30, 2026 | Oct 26, 2026 |
| 3 | Initial insider ownership | Oct 30, 2026 | Oct 26, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 30, 2026 | — |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 28, 2026 | Oct 26, 2026 |
| 4 | Insider transaction | Oct 19, 2026 | Oct 15, 2026 |
| 4 | Insider transaction | Oct 19, 2026 | Oct 15, 2026 |
| 4 | Insider transaction | Oct 19, 2026 | Oct 15, 2026 |
| 3 | Initial insider ownership | Oct 16, 2026 | Oct 7, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 15, 2026 | — |
| 4 | Insider transaction | Oct 8, 2026 | Oct 6, 2026 |
| 8-K |
Current report
Officer or director change
|
Oct 7, 2026 | Oct 4, 2026 |
| 144 | Notice of proposed sale | Oct 6, 2026 | — |
| 4 | Insider transaction | Sep 15, 2026 | Sep 14, 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 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 4, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 28, 2026 | — |
| 8-K |
Current report
Other events
|
Jul 21, 2026 | Jul 21, 2026 |
| 424B7 | Filing | Jul 21, 2026 | — |
| 4 | Insider transaction | Jul 20, 2026 | Jul 16, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jul 15, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jul 15, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jul 15, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 13, 2026 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jul 9, 2026 | Jul 7, 2026 |
| 4 | Insider transaction | Jul 8, 2026 | Jul 6, 2026 |
| 424B5 | Prospectus supplement | Jul 8, 2026 | — |
| 424B5 | Prospectus supplement | Jul 7, 2026 | — |
| 144 | Notice of proposed sale | Jul 6, 2026 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure, Other events
|
Jun 24, 2026 | Jun 22, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 11, 2026 |
| 3 | Initial insider ownership | Jun 12, 2026 | May 19, 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 |
| 4 | Insider transaction | May 12, 2026 | May 8, 2026 |
| 4 | Insider transaction | Apr 22, 2026 | Apr 21, 2026 |
| 4 | Insider transaction | Apr 22, 2026 | Apr 21, 2026 |
| 4 | Insider transaction | Apr 21, 2026 | Apr 20, 2026 |
| 144 | Notice of proposed sale | Apr 20, 2026 | — |
| 4 | Insider transaction | Apr 17, 2026 | Apr 15, 2026 |
| 4 | Insider transaction | Apr 17, 2026 | Apr 15, 2026 |
| 4/A | Form 4/a | Apr 13, 2026 | Apr 8, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 8, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 8, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 8, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 8, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 8, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 8, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 8, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 8, 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 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 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 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 11, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Feb 4, 2026 | Feb 3, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 30, 2026 | — |
| 4 | Insider transaction | Jan 27, 2026 | Jan 23, 2026 |
| 3 | Initial insider ownership | Jan 23, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 20, 2026 | Jan 15, 2026 |
| 4 | Insider transaction | Jan 20, 2026 | Jan 15, 2026 |
| 8-K |
Current report
Officer or director change, Other events
|
Jan 7, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 30, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 30, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 30, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 30, 2025 |
| 8-K |
Current report
Material agreement
|
Dec 30, 2025 | Dec 30, 2025 |
| 424B5 | Prospectus supplement | Dec 30, 2025 | — |
| 4 | Insider transaction | Dec 23, 2025 | Dec 22, 2025 |
| 144 | Notice of proposed sale | Dec 22, 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 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 11, 2025 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 11, 2025 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 11, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 5, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 5, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 5, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Nov 28, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Nov 28, 2025 |
| 8-K |
Current report
Officer or director change
|
Dec 1, 2025 | Nov 28, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Nov 28, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Nov 28, 2025 |
| 8-K |
Current report
Other events
|
Nov 10, 2025 | Nov 6, 2025 |
| 4 | Insider transaction | Oct 16, 2025 | Oct 15, 2025 |
| 4 | Insider transaction | Oct 16, 2025 | Oct 15, 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 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 11, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 29, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 17, 2025 | — |
| 4 | Insider transaction | Jul 16, 2025 | Jul 15, 2025 |
| 4 | Insider transaction | Jul 16, 2025 | Jul 15, 2025 |
| 8-K |
Current report
Officer or director change
|
Jun 13, 2025 | Jun 13, 2025 |
| 144 | Notice of proposed sale | Jun 6, 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 | — |
| 3 | Initial insider ownership | May 16, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 8, 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 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2025 | — |
| S-3 | Shelf registration | Apr 29, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Apr 29, 2025 | Apr 23, 2025 |
| 4 | Insider transaction | Apr 23, 2025 | Apr 21, 2025 |
| 4 | Insider transaction | Apr 23, 2025 | Apr 21, 2025 |
| 4 | Insider transaction | Apr 23, 2025 | Apr 21, 2025 |
| 4 | Insider transaction | Apr 23, 2025 | Apr 21, 2025 |
| 4 | Insider transaction | Apr 23, 2025 | Apr 21, 2025 |
| 4 | Insider transaction | Apr 23, 2025 | Apr 21, 2025 |
| 4 | Insider transaction | Apr 23, 2025 | Apr 21, 2025 |
| 4/A | Filing | Apr 23, 2025 | Apr 29, 2024 |
| 4 | Insider transaction | Apr 23, 2025 | Apr 15, 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 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 13, 2025 | — |
| 4 | Insider transaction | Jan 16, 2025 | Jan 15, 2025 |
| 4 | Insider transaction | Jan 16, 2025 | Jan 15, 2025 |
| 4 | Insider transaction | Jan 16, 2025 | Jan 15, 2025 |
| 3 | Initial insider ownership | Jan 10, 2025 | Jan 1, 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 | — |
| 4 | Insider transaction | Jan 2, 2025 | Dec 30, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 30, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 30, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 30, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 30, 2024 |
| 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 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 9, 2024 | Dec 5, 2024 |
| 4 | Insider transaction | Dec 9, 2024 | Dec 5, 2024 |
| 4 | Insider transaction | Dec 9, 2024 | Dec 5, 2024 |
| 4 | Insider transaction | Dec 9, 2024 | Dec 5, 2024 |
| 4 | Insider transaction | Dec 9, 2024 | Dec 5, 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 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Regulation FD disclosure
|
Nov 7, 2024 | Nov 7, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
Nov 1, 2024 | Oct 31, 2024 |
| 4 | Insider transaction | Oct 17, 2024 | Oct 15, 2024 |
| 4 | Insider transaction | Oct 17, 2024 | Oct 15, 2024 |
| 4 | Insider transaction | Oct 17, 2024 | Oct 15, 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 |
| 4 | Insider transaction | Jul 16, 2024 | Jul 15, 2024 |
| 4 | Insider transaction | Jul 16, 2024 | Jul 15, 2024 |
| 4 | Insider transaction | Jul 16, 2024 | Jul 15, 2024 |
| 4 | Insider transaction | Jun 27, 2024 | Jun 26, 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 |
| 4 | Insider transaction | May 24, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 17, 2024 |
| 4 | Insider transaction | May 1, 2024 | Apr 29, 2024 |
| 3 | Initial insider ownership | May 1, 2024 | Apr 29, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Apr 29, 2024 | Apr 29, 2024 |
| 4 | Insider transaction | Apr 17, 2024 | Apr 15, 2024 |
| 4 | Insider transaction | Apr 17, 2024 | Apr 15, 2024 |
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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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)
Other Electrical Industrial Apparatus companies
- Bloom Energy Corp BE
- Woodward, Inc. WWD
- Forgent Power Solutions, Inc. FPS
- Accelevation Holdings Corp. ACCV
- Plug Power Inc PLUG
- Ballard Power Systems Inc. BLDP
- ERock, Inc. EROC
- Graftech International Ltd EAF
Source: SEC EDGAR filings. This is company-reported data, not investment advice.