144 0001921889 XXXXXXXX LIVE 0000886128 FUELCELL ENERGY INC 001-14204 3 GREAT PASTURE RD DANBURY CT 06813 2038256000 Feasel Mark Officer Common Fidelity Brokerage Services LLC

900 Salem St Smithfield RI 02917

40000 106428.00 406760629 06/13/2023 NASDAQ Common 12/12/2022 Restricted Stock Vesting Issuer N 4933 12/12/2022 Compensation Common 03/24/2023 Restricted Stock Vesting Issuer N 35067 03/24/2023 Compensation Y 06/13/2023 /s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Mark Feasel