X0609 4 2026-06-30 0 0001822966 NUSCALE POWER Corp SMR 0001194751 BOECKMANN ALAN L false 1100 NE CIRCLE BLVD., SUITE 350 CORVALLIS OR 97330 1 0 0 0 0 Class A Common Stock 2026-06-30 4 A 0 3681 0 A 92499 D In lieu of quarterly cash fees, 3,681 shares of phantom stock were granted on June 30, 2026, to the reporting person. Pursuant to the issuer's Deferred Compensation Plan for Non-Employee Directors, the reporting person elected to defer settlement of the underlying shares of Class A Common Stock. Each share of phantom stock represents the right to receive one share of Class A Common Stock. The phantom stock becomes payable upon the reporting person's separation from service with the issuer. The reported transaction involved the reporting person's receipt of a grant of phantom stock under the issuer's Deferred Compensation Plan for Non-Employee Directors. The reporting person has reported prior grants of phantom stock in Table II of Form 4. The total reported in Column 5 includes the 3,681 newly granted shares of phantom stock, 3,470 shares of phantom stock previously reported in Table II, 8,681 shares of phantom stock previously reported in Table I, and 76,667 shares of Class A Common Stock previously reported in Table I. Patrick C. Cannon, attorney-in-fact for Alan L. Boeckmann 2026-07-01