NuScale Power (SMR) COO executes 49,277-share Rule 10b5-1 sale

Rhea-AI Filing Summary

NuScale Power Corp Chief Operating Officer Carl M. Fisher reported selling a total of 49,277 shares of Class A common stock in open-market transactions. The sales occurred on March 4, 2026 at a price of $12.64 per share under a Rule 10b5-1 trading plan adopted on August 12, 2025. Following these planned sales, he directly holds 90,864 shares of NuScale Class A common stock.

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

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

X

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)
03/04/2026

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	03/04/2026		S(1)		35,777	D	$12.64(2)	104,364	D
Class A Common Stock	03/04/2026		S(1)		13,500	D	$12.64(2)	90,864	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

Explanation of Responses:

1. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 12, 2025.

2. Multiple lots sold for the same price have been combined.

Remarks:

	Patrick C. Cannon, attorney-in-fact for Carl M. Fisher	03/06/2026
	** Signature of Reporting Person	Date
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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did NuScale Power (SMR) report for Carl M. Fisher?

NuScale Power reported that Chief Operating Officer Carl M. Fisher sold 49,277 shares of Class A common stock. The transactions were open-market sales executed on March 4, 2026 at $12.64 per share, reducing his direct holdings to 90,864 shares after the trades.

Was the NuScale Power (SMR) COO stock sale pre-planned under Rule 10b5-1?

Yes. The filing states the sales were executed pursuant to a Rule 10b5-1 trading plan adopted by Carl M. Fisher on August 12, 2025. Such plans allow insiders to schedule trades in advance, providing a structured framework for selling shares over time.

How many NuScale Power (SMR) shares does Carl M. Fisher hold after the sale?

After the reported transactions, Carl M. Fisher directly owns 90,864 shares of NuScale Power Class A common stock. This figure reflects his remaining direct holdings following the combined open-market sale of 49,277 shares on March 4, 2026 at $12.64 per share.

At what price were the NuScale Power (SMR) COO’s shares sold?

All reported NuScale Power Class A common stock sales by COO Carl M. Fisher were executed at $12.64 per share. The filing notes that multiple lots sold at this same price were combined for reporting, resulting in an aggregate sale of 49,277 shares on March 4, 2026.

What type of security did Carl M. Fisher sell in NuScale Power (SMR)?

Carl M. Fisher sold NuScale Power Class A common stock, classified as a non-derivative security. The Form 4 shows two open-market sale entries at $12.64 per share, totaling 49,277 shares, and confirms that his ownership after these transactions remains direct, not through an intermediary entity.