Scott Clayton 4

4 · NUSCALE POWER Corp · Filed Mar 3, 2026

Form 4

Period: 2026-02-28

Chief Commercial Officer

Transactions

Exercise/Conversion
Class A Common Stock
[F1]
2026-03-02+19,054→ 106,019 total
Exercise/Conversion
Class A Common Stock
[F1]
2026-03-02+26,042→ 132,061 total
Exercise/Conversion
Class A Common Stock
[F1]
2026-03-02+23,269→ 155,330 total
Sale
Class A Common Stock
[F2]
2026-03-02$12.22/sh−22,478$274,681→ 132,852 total
Exercise/Conversion
Restricted Stock Unit
[F1][F3]
2026-03-02−19,054→ 0 total
→ Class A Common Stock (19,054 underlying)
Exercise/Conversion
Restricted Stock Unit
[F1][F4]
2026-03-02−26,042→ 26,042 total
→ Class A Common Stock (26,042 underlying)
Exercise/Conversion
Restricted Stock Unit
[F1][F5]
2026-03-02−23,269→ 46,539 total
→ Class A Common Stock (23,269 underlying)
Award
Restricted Stock Unit
[F1][F6]
2026-02-28+112,840→ 112,840 total
→ Class A Common Stock (112,840 underlying)

Footnotes (6)

[F1]Restricted stock units convert into Class A Common stock on a one-to-one basis.
[F2]The sales reported on this Form 4 represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sales were to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.
[F3]On February 28, 2023, the reporting person was granted 57,163 restricted stock units, vesting annually in three equal installments beginning on the anniversary of the grant date.
[F4]On February 28, 2024, the reporting person was granted 78,125 restricted stock units, vesting annually in three equal installments beginning on the anniversary of the grant date.
[F5]On February 28, 2025, the reporting person was granted 69,808 restricted stock units, vesting annually in three equal installments beginning on the anniversary of the grant date.
[F6]On February 28, 2026, the reporting person was granted 112,840 restricted stock units, vesting annually in three equal installments beginning on the anniversary of the grant date.

Signature

Patrick C. Cannon, attorney-in-fact for Clayton Scott|2026-03-03

Documents

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