Sec Form 4 Filing - Reyes Jose N Jr @ NUSCALE POWER Corp - 2024-02-28

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Reyes Jose N Jr 2. Issuer Name and Ticker or Trading Symbol NUSCALE POWER Corp [ SMR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Technology Officer (Last) (First) (Middle) 12725 SW 66TH AVENUE, SUITE 107 3. Date of Earliest Transaction (MM/DD/YY) 02/28/2024 (Street) PORTLAND, OR97223 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 02/28/2024 M 26,641 A 471,730 ( 2 ) ( 3 ) I By Jose N. Reyes, Jr. Trust, dated August 2, 2021 Class A Common Stock 02/29/2024 S 10,328 ( 4 ) D $ 3.117 461,402 I By Jose N. Reyes, Jr. Trust, dated August 2, 2021

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Unit ( 1 ) 02/28/2024 M 26,641 ( 5 ) ( 5 ) Class A Common Stock 26,641 $ 0 53,281 ( 6 ) D Restricted Stock Unit ( 1 ) ( 7 ) ( 7 ) Class A Common Stock 98,036 65,359 ( 3 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Reyes Jose N Jr 12725 SW 66TH AVENUE, SUITE 107 PORTLAND, OR97223 Chief Technology Officer Signatures Patrick C. Cannon, attorney-in-fact for Jose N. Reyes, Jr. 03/01/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Restricted stock units convert into common stock on a one-for-one basis. ( 2 )Includes 151,203 shares reported on the reporting person's Form 4 filed May 3, 2023, as being held indirectly by the reporting person through the Donna Jean Reyes Trust, dated August 2, 2021. The shares were subsequently distributed to the Jose N. Reyes Jr. Trust dated August 2, 2021, and the reporting person now holds the shares through such trust. ( 3 )Form 4 filed May 4, 2023, reported 32,679 restricted stock units vested. The Plan Administrator rounded up calculations by 1 share to 32,680 on the first vesting. This resulted in one more share being exercised and owned by the reporting person. ( 4 )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. ( 5 )On February 28, 2023, the reporting person was granted 79,922 restricted stock units, vesting in three annual installments beginning on the anniversary of the grant date. ( 6 )Form 4 filed on March 3, 2023, inaccurately reported the number of restricted stock units granted as 81,428. The correct amount acquired was 79,922. The number of remaining derivative securities owned accurately reflects the balance of this grant. ( 7 )On July 8, 2022, the reporting person was granted 98,039 restricted stock units to vest annually in three installments beginning on May 12, 2023.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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