[Form 4] NUSCALE POWER Corp Insider Trading Activity

Rhea-AI Filing Summary

NuScale Power Corp’s Chief Operating Officer Carl M. Fisher reported several equity transactions involving Class A Common Stock and restricted stock units (RSUs). He sold 22,197 shares of common stock in an open‑market transaction at $12.22 per share to cover tax withholding obligations tied to RSU vesting through a “sell to cover” arrangement.

Fisher also exercised RSUs that convert into common stock on a one‑for‑one basis, receiving 52,083 and 19,391 shares of Class A Common Stock at no exercise price. In addition, he was granted 112,840 RSUs on February 28, 2026, which vest annually in three equal installments. Following these transactions, he directly owned 140,141 shares of Class A Common Stock.

Insider Trade Summary

Net Seller: 22,197 shares ($271,247)

Net Sell 6 txns

Insider Fisher Carl M.

Role Chief Operating Officer

Sold 22,197 shs ($271K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	22,197	$12.22	$271K
Exercise	Restricted Stock Unit	52,083	$0.00	--
Exercise	Restricted Stock Unit	19,391	$0.00	--
Exercise	Class A Common Stock	52,083	$0.00	--
Exercise	Class A Common Stock	19,391	$0.00	--
Grant/Award	Restricted Stock Unit	112,840	$0.00	--

Holdings After Transaction: Class A Common Stock — 140,141 shares (Direct); Restricted Stock Unit — 52,084 shares (Direct)

Footnotes (1)

1. Restricted stock units convert into Class A Common stock on a one-for-one basis. 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. On February 28, 2024, the reporting person was granted 156,250 restricted stock units, vesting annually in three equal installments beginning on the anniversary of the grant date. On February 28, 2025, the reporting person was granted 58,173 restricted stock units, vesting annually in three equal installments beginning on the anniversary of the grant date. 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.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Fisher Carl M.

(Last) (First) (Middle)

1100 NE CIRCLE BLVD., SUITE 350

(Street)

CORVALLIS OR 97330

(City) (State) (Zip)

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 Operating Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/28/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	03/02/2026		M		52,083	A	(1)	142,947	D
Class A Common Stock	03/02/2026		M		19,391	A	(1)	162,338	D
Class A Common Stock	03/03/2026		S		22,197(2)	D	$12.22	140,141	D

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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)	03/02/2026		M			52,083	(3)	(3)	Class A Common Stock	52,083	$0	52,084	D
Restricted Stock Unit	(1)	03/02/2026		M			19,391	(4)	(4)	Class A Common Stock	19,391	$0	38,782	D
Restricted Stock Unit	(1)	02/28/2026		A		112,840		(5)	(5)	Class A Common Stock	112,840	$0	112,840	D

Explanation of Responses:

1. Restricted stock units convert into Class A Common stock on a one-for-one basis.

2. 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.

3. On February 28, 2024, the reporting person was granted 156,250 restricted stock units, vesting annually in three equal installments beginning on the anniversary of the grant date.

4. On February 28, 2025, the reporting person was granted 58,173 restricted stock units, vesting annually in three equal installments beginning on the anniversary of the grant date.

5. 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.

Remarks:

	Patrick C. Cannon, attorney-in-fact for Carl M. Fisher	03/03/2026
	** Signature of Reporting Person	Date
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