# EDGAR Filing Document

**Accession Number:** 0001928951
**File Stem:** 0001999371-25-017542
**Filing Date:** 2025-11
**Character Count:** 9522
**Document Hash:** e4d510c93fcaf0eacf626549c4ed0cac
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001999371-25-017542.hdr.sgml**: 20251112

**ACCESSION NUMBER**: 0001999371-25-017542

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251112

**DATE AS OF CHANGE**: 20251112

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NUSCALE POWER Corp
- **CENTRAL INDEX KEY:** 0001822966
- **STANDARD INDUSTRIAL CLASSIFICATION:** FABRICATED PLATE WORK (BOILER SHOPS) [3443]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 981588588
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-91874
- **FILM NUMBER:** 251474335

**BUSINESS ADDRESS:**
- **STREET 1:** 1100 NE CIRCLE BLVD., SUITE 350
- **CITY:** CORVALLIS
- **STATE:** OR
- **ZIP:** 97330
- **BUSINESS PHONE:** (971) 371-1592

**MAIL ADDRESS:**
- **STREET 1:** 1100 NE CIRCLE BLVD., SUITE 350
- **CITY:** CORVALLIS
- **STATE:** OR
- **ZIP:** 97330

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SPRING VALLEY ACQUISITION CORP.
- **DATE OF NAME CHANGE:** 20200828
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Doosan Enerbility Co. Ltd.
- **CENTRAL INDEX KEY:** 0001928951

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** M5
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A

**BUSINESS ADDRESS:**
- **STREET 1:** 22, DOOSANVOLVO-RO, SEONGSAN-GU
- **STREET 2:** CHANGWON-SI
- **CITY:** GYEONGSANGNAM-DO
- **STATE:** M5
- **ZIP:** 642-792
- **BUSINESS PHONE:** 011823151792805

**MAIL ADDRESS:**
- **STREET 1:** 22, DOOSANVOLVO-RO, SEONGSAN-GU
- **STREET 2:** CHANGWON-SI
- **CITY:** GYEONGSANGNAM-DO
- **STATE:** M5
- **ZIP:** 642-792

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Doosan Heavy Industries & Construction Co., Ltd.
- **DATE OF NAME CHANGE:** 20220513

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 4)**

**Issuer:** NUSCALE POWER Corp

**Title of Class of Securities:** Class A common stock, par value $0.0001 per share

**CUSIP Number:** 67079K100

**Date of Event Which Requires Filing of this Statement:** 09/30/2025

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [x] Rule 13d-1(c)

- [ ] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Doosan Enerbility Co., Ltd. | Names of Reporting Persons<br>Doosan Enerbility Co., Ltd. |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>M5 | Citizenship or Place of Organization<br>M5 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>3902061.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>3902061.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3902061.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3902061.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>2.9% | Percent of Class Represented by Amount in Row (9)<br>2.9% |
| 12. | Type of Reporting Person (See Instructions)<br>CO | Type of Reporting Person (See Instructions)<br>CO |

---

**Item 1(a). Name of Issuer:**
NUSCALE POWER Corp

**Item 1(b). Address of Issuer's Principal Executive Offices:**
1100 NE Circle Blvd., Suite 350, Corvallis, OR 97330

**Item 2(a). Name of Person Filing:**
This Schedule 13G is being filed by Doosan Enerbility Co., Ltd. (the "Reporting Person").

This Amendment No. 4 amends and supplements the Schedule 13G previously filed jointly by the Reporting Person and certain other reporting persons named therein with the Securities and Exchange Commission (the "SEC") on May 13, 2022, as amended and supplemented by the Amendment No. 1 filed jointly by the Reporting Person and certain other reporting persons named therein on October 26, 2022, the Amendment No. 2 filed jointly by the Reporting Person and certain other reporting persons named therein on February 14, 2023, and the Amendment No. 3 filed jointly by certain other reporting persons named therein on February 16, 2024 (the "Original Schedule 13G").  This Amendment No. 4, which is being filed to disclose that the Reporting Person has ceased to be the beneficial owner of more than five percent of the outstanding Class A common stock, par value $0.0001 per share ("Class A Common Stock"), of NuScale Power Corporation (the "Issuer"), constitutes an exit filing for the Reporting Person.  Except as specifically provided herein, this Amendment No. 4 does not modify any of the information previously reported in the Original Schedule 13G.

**Item 2(b). Address of Principal Business Office:**
22, Doosanvolvo-ro, Seongsan-gu
Changwon-si 51711, Gyeongsangnam-do, Republic of Korea

**Item 2(c). Citizenship:**
See the response to row 4 of the cover page.

**Item 2(d). Title of Class of Securities:**
Class A common stock, par value $0.0001 per share

**Item 2(e). CUSIP Number:**
67079K100

**Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

See the response to row 9 of the cover page, the entirety of which amount consists of Class A Common Stock directly held by the Reporting Person. The percentage set forth in this Schedule 13G is calculated based upon an aggregate of 133,893,376 shares of Class A Common Stock issued and outstanding as of August 5, 2025, as reported on the Issuer's Quarterly Report on Form 10-Q filed with the SEC on August 7, 2025.

**(b) Percent of class:**

2.9%

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

See the response to row 5 of the cover page.

**(ii) Shared power to vote or to direct the vote:**

See the response to row 6 of the cover page.

**(iii) Sole power to dispose or to direct the disposition of:**

See the response to row 7 of the cover page.

**(iv) Shared power to dispose or to direct the disposition of:**

See the response to row 8 of the cover page.

**Item 5. Ownership of Five Percent or Less of a Class.**

[ ] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Not Applicable

**Item 7. Identification and Classification of the Subsidiary**

Not Applicable

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of Group**

Not Applicable

**Item 10. Certification:**

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Doosan Enerbility Co., Ltd.**

**Date:** 11/12/2025

**By:** /s/ Sanghyun Park

**Name & Title:** Sanghyun Park/President