FuelCell Energy, Inc.SEC Filings
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All SEC filings by FuelCell Energy, Inc. (FCEL) — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.
Financials
| 10-Q | Quarterly report | View Diff | Sep 2, 2026 | |
| 10-Q | Quarterly report | View Diff | Jun 8, 2026 | |
| 10-Q | Quarterly report | View Diff | Mar 9, 2026 | |
| ARS | Annual report to shareholders | Feb 18, 2026 | ||
| 10-K | Annual report | View Diff | Dec 18, 2025 | |
| 10-Q | Quarterly report | View Diff | Sep 9, 2025 | |
| 10-Q | Quarterly report | View Diff | Jun 6, 2025 | |
| 10-Q | Quarterly report | View Diff | Mar 11, 2025 | |
| ARS | Annual report to shareholders | Feb 21, 2025 | ||
| 10-K | Annual report | View Diff | Dec 27, 2024 |
Events
| 8-K | Executes First Data Center Power Agreement, Increases Annualized Production Rate & Focuses on Capacity Expansion | Sep 2, 2026 | ||
| 8-K | Current report | Jul 21, 2026 | ||
| 8-K | Fuelcell Energy Announces Launch of Offering of Common Stock | Jul 9, 2026 | ||
| 8-K | Current report | Jun 24, 2026 | ||
| 8-K | Current report | Jun 8, 2026 | ||
| 8-K | Fuelcell Energy Elects Cybersecurity Entrepreneur and Mckinsey Veteran John Livingston to Board of Directors | May 21, 2026 | ||
| 8-K | Departure of Directors or Certain Officers | Apr 6, 2026 | ||
| 8-K | Advances Data Center Power Strategy | Mar 9, 2026 | ||
| 8-K | Departure of Directors or Certain Officers | Feb 4, 2026 | ||
| 8-K | Departure of Directors or Certain Officers | Jan 7, 2026 |
Registrations and Prospectuses
| 424B7 | Prospectus with selling stockholder info | Jul 21, 2026 | ||
| 424B5 | Prospectus supplement for primary offering | Jul 8, 2026 | ||
| 424B5 | Prospectus supplement for primary offering | Jul 7, 2026 | ||
| S-3ASR | Automatic shelf registration | Jun 8, 2026 | ||
| S-8 | Registration of securities for employees | Apr 10, 2026 | ||
| 424B5 | Prospectus supplement for primary offering | Dec 30, 2025 | ||
| S-3 | Shelf registration | Apr 30, 2025 | ||
| S-8 | Registration of securities for employees | Apr 21, 2025 | ||
| 424B5 | Prospectus supplement for primary offering | Mar 10, 2025 | ||
| POS AM | Prospectus update (post-effective amendment) | Mar 5, 2025 |
Proxies
| DEFA14A | Additional proxy soliciting materials | Feb 18, 2026 | ||
| DEF 14A | Definitive proxy | View Diff | Feb 18, 2026 | |
| DEFA14A | Additional proxy soliciting materials | Apr 3, 2025 | ||
| DEFA14A | Additional proxy soliciting materials | Feb 21, 2025 | ||
| DEF 14A | Definitive proxy | View Diff | Feb 21, 2025 | |
| PX14A6G | Letter to shareholders | Sep 24, 2024 | ||
| DEFA14A | Additional proxy soliciting materials | Sep 17, 2024 | ||
| DEF 14A | Definitive proxy | View Diff | Sep 17, 2024 | |
| PRE 14A | Preliminary proxy | View Diff | Sep 6, 2024 | |
| DEFA14A | Additional proxy soliciting materials | Aug 20, 2024 |
Other
| SD | Conflict minerals disclosure | May 28, 2026 | ||
| SD | Conflict minerals disclosure | May 28, 2025 | ||
| EFFECT | Notice of effectiveness | May 9, 2025 | ||
| UPLOAD | Letter from SEC | May 6, 2025 | ||
| CORRESP | Correspondence with SEC | May 6, 2025 | ||
| EFFECT | Notice of effectiveness | Mar 11, 2025 | ||
| CORRESP | Correspondence with SEC | Mar 6, 2025 | ||
| CORRESP | Correspondence with SEC | Mar 5, 2025 | ||
| UPLOAD | Letter from SEC | Jan 6, 2025 | ||
| SD | Conflict minerals disclosure | May 30, 2024 |
Ownership
| SC 13G/A | Beneficial ownership report | Aug 14, 2026 | ||
| SC 13G | Beneficial ownership report | Aug 4, 2026 | ||
| SC 13G | Beneficial ownership report | Jul 28, 2026 | ||
| 4 | Livingston Iii Homer John | Jul 20, 2026 | ||
| 4 | Livingston Iii Homer John | Jul 16, 2026 | ||
| 4 | Hansen Cynthia L | Jul 16, 2026 | ||
| 4 | England James Herbert | Jul 16, 2026 | ||
| SC 13G | Beneficial ownership report | Jul 13, 2026 | ||
| 4 | Achanta Shankar | Jul 8, 2026 | ||
| 144 | Notice of proposed sale of securities | Jul 6, 2026 |