144 0001896667 XXXXXXXX LIVE 0000886128 FUELCELL ENERGY INC 001-14204 3 GREAT PASTURE ROAD DANBURY CT 06810 2038256000 Bingham Betsy B Director Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

8608 73370.82 47736734 12/22/2025 NASDAQ Common 04/17/2024 Restricted Stock Vesting Issuer N 414 04/17/2024 Compensation Common 05/22/2024 Restricted Stock Vesting Issuer N 1631 05/22/2024 Compensation Common 07/19/2024 Restricted Stock Vesting Issuer N 628 07/19/2024 Compensation Common 10/15/2024 Restricted Stock Vesting Issuer N 1280 10/15/2024 Compensation Common 01/15/2025 Restricted Stock Vesting Issuer N 1293 01/15/2025 Compensation Common 04/15/2025 Restricted Stock Vesting Issuer N 3362 04/15/2025 Compensation Y 12/22/2025 /s/ Jessica Spraker, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Betsy Bingham