NuScale director granted 8,681 RSUs

NuScale Power Corp director Chung Bum-Jin received a stock-based compensation award.

Accepted by SEC EDGAR 06/02/2026 - 04:55 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

NuScale Power Corp director Chung Bum-Jin received a stock-based compensation award. On May 29, 2026, he was granted 8,681 restricted stock units of Class A Common Stock at no cash cost. Following this grant, he directly holds 51,172 shares.

The 8,681 restricted stock units vest quarterly in four equal installments over one year, beginning on August 29, 2026. Each unit converts into one share of Class A Common Stock as it vests, aligning part of the director’s compensation with future company performance.

Insider Trade Summary

Grant/Award: 8,681 shares

Grant/Award 1 txn

Insider Chung Bum-Jin

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	8,681	$0.00	$0.00

Holdings After Transaction: Class A Common Stock — 51,172 shares (Direct)

Holdings Before and After: Class A Common Stock, 42,491 to 51,172 shares (Direct)

Footnotes (1)

1. F1. The reporting person received an award of 8,681 restricted stock units on May 29, 2026, which vest quarterly in four equal installments over one year, beginning on August 29, 2026. Each restricted stock unit represents the right to receive one share of Class A Common Stock upon vesting.

Key Figures

RSUs granted: 8,681 units Award price per share: $0.00 per share Shares held after grant: 51,172 shares +2 more

5 metrics

RSUs granted 8,681 units Restricted stock unit award on May 29, 2026

Award price per share $0.00 per share Grant/award acquisition with no cash price

Shares held after grant 51,172 shares Total Class A Common Stock directly held post-transaction

Vesting schedule 4 quarterly installments over 1 year RSUs begin vesting on August 29, 2026

Underlying security Class A Common Stock Each RSU converts into one share upon vesting

Key Terms

restricted stock units, Class A Common Stock, grant, award, or other acquisition

3 terms

restricted stock units financial

"The reporting person received an award of 8,681 restricted stock units on May 29, 2026"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Class A Common Stock financial

"Each restricted stock unit represents the right to receive one share of Class A Common Stock upon vesting"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did NuScale Power (SMR) report for Chung Bum-Jin?

NuScale Power reported a grant of 8,681 restricted stock units to director Chung Bum-Jin. The award represents stock-based compensation, with no cash purchase, and will convert into Class A Common Stock as the units vest over a one-year period.

How many NuScale Power (SMR) shares does Chung Bum-Jin hold after this Form 4?

After the reported grant, director Chung Bum-Jin holds 51,172 shares of NuScale Power Class A Common Stock directly. This figure includes the impact of the 8,681 restricted stock units awarded on May 29, 2026, as disclosed in the Form 4 filing.

What are the vesting terms of the 8,681 RSUs granted by NuScale Power (SMR)?

The 8,681 restricted stock units vest quarterly in four equal installments over one year. Vesting begins on August 29, 2026, so approximately one-quarter of the RSUs convert into Class A Common Stock on each quarterly vesting date during that year.

Did Chung Bum-Jin buy or sell NuScale Power (SMR) shares in this Form 4?

The Form 4 shows an acquisition via a grant, not a market trade. Chung Bum-Jin received 8,681 restricted stock units as a stock-based award, with no reported open-market buying or selling of NuScale Power Class A Common Stock in this transaction.

What does each restricted stock unit represent for NuScale Power (SMR) directors?

Each restricted stock unit granted to the director represents the right to receive one share of Class A Common Stock upon vesting. As the units vest on scheduled dates, they convert into actual shares, forming part of the director’s equity-based compensation package.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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
Estimated average burden
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^*

Chung Bum-Jin

(Last) (First) (Middle)

1100 NE CIRCLE BLVD., SUITE 350

(Street)

CORVALLIS OREGON 97330

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
NUSCALE POWER Corp [ SMR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/29/2026

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

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

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

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	05/29/2026		A		8,681(1)	A	$0(1)	51,172	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 reporting person received an award of 8,681 restricted stock units on May 29, 2026, which vest quarterly in four equal installments over one year, beginning on August 29, 2026. Each restricted stock unit represents the right to receive one share of Class A Common Stock upon vesting.

Remarks:

	Patrick C. Cannon, attorney-in-fact for Bum-Jin Chung	06/02/2026
	** 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.
* Form 4: SEC 1474 (03-26)