X0508 4 2025-06-11 0 0001009759 Capstone Green Energy Holdings, Inc. CGEH 0001949341 Fanning Celia C/O CAPSTONE GREEN ENERGY HOLDINGS, INC. 16640 STAGG STREET VAN NUYS CA 91406 0 1 0 0 Chief Accounting Officer 0 Voting Common Stock 2025-06-11 4 A 0 15000 1 A 22772 D Voting Common Stock 2025-06-11 4 F 0 6162 1 D 16610 D Non-voting Common Stock 20366 D Represents shares of voting common stock underlying restricted stock units that fully vested on the date of grant. Includes 2,625 shares of voting common stock underlying restricted stock units that vest in three equal annual installments commencing on September 9, 2025 and 2,625 of voting common stock underlying restricted stock units that vest in three equal annual installments commencing on April 3, 2026. Reflects the deemed disposition of shares of voting common stock to cover the Reporting Person's tax liability in connection with the vesting and settlement of the restricted stock units awarded on June 11, 2025. Celia Fanning, Reporting Person 2025-06-13