Form 4 Filing for FuelCell Energy Inc.

This filing details a Form 4 submission for FuelCell Energy Inc. (FCEL) on April 8, 2026. Reporting owner Donna Sims Wilson, a director, acquired 17,424 Deferred Common Stock Units. These units, granted under the Directors Deferred Compensation Plan, are convertible on a one-for-one basis into Common Stock upon separation from service. The transaction code is "A" for acquisition, with a transaction price of $0.0 per share. Following this transaction, Ms. Wilson holds 46,724 shares. The underlying security for these units is Common Stock.