# EDGAR Filing Document

**Accession Number:** 0001822966
**File Stem:** 0001822966-26-000044
**Filing Date:** 2026-4
**Character Count:** 2429
**Document Hash:** 534dca63d263eff00d1363436f4e3078
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001822966-26-000044.hdr.sgml**: 20260415

**ACCESSION NUMBER**: 0001822966-26-000044

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 13

**FILED AS OF DATE**: 20260415

**DATE AS OF CHANGE**: 20260415

**FILER**: 

**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:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39736
- **FILM NUMBER:** 26864249

**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

?xml version='1.0' encoding='ASCII'? smr-20260414

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

_______________________________

**SCHEDULE 14A INFORMATION** 

**PROXY STATEMENT PURSUANT TO SECTION 14(a)**

**OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO.)**

_______________________________

☒ Filed by the Registrant

☐ Filed by a party other than the Registrant

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))**

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material under §240.14a-12

**NuScale Power Corporation**

**(Name of Registrant as Specified in its Charter)**

**(Name of Person(s) Filing Proxy Statement, if other than the Registrant)**

Payment of Filing Fee (Check all boxes that apply):

☒ No fee required.

☐ Fee paid previously with preliminary materials.

☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

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![NuScale - Final Proxy Card - 3.23.26_Page_1.jpg](smr-20260414_g1.jpg)

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![Image_6.jpg](smr-20260414_g2.jpg)

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![NuScale - Final Internet Notice - 3.23.2026_Page_1.jpg](smr-20260414_g3.jpg)

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![NuScale - Final Internet Notice - 3.23.2026_Page_2.jpg](smr-20260414_g4.jpg)