# EDGAR Filing Document

**Accession Number:** 0001697500
**File Stem:** 0001140361-26-012800
**Filing Date:** 2026-4
**Character Count:** 2246
**Document Hash:** b7b41ce2582af2401196c2eb2842e1ec
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-012800.hdr.sgml**: 20260401

**ACCESSION NUMBER**: 0001140361-26-012800

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260401

**DATE AS OF CHANGE**: 20260401

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Solaris Energy Infrastructure, Inc.
- **CENTRAL INDEX KEY:** 0001697500
- **STANDARD INDUSTRIAL CLASSIFICATION:** OIL & GAS FILED MACHINERY & EQUIPMENT [3533]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38090
- **FILM NUMBER:** 26829317

**BUSINESS ADDRESS:**
- **STREET 1:** 9651 KATY FREEWAY
- **STREET 2:** SUITE 300
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77024
- **BUSINESS PHONE:** (281)501-3070

**MAIL ADDRESS:**
- **STREET 1:** 9651 KATY FREEWAY
- **STREET 2:** SUITE 300
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77024

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Solaris Oilfield Infrastructure, Inc.
- **DATE OF NAME CHANGE:** 20170207

#### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### WASHINGTON, D. C. 20549

#### <br>

### SCHEDULE 14A

#### <br>

#### Proxy Statement Pursuant to Section 14(a)

#### of the Securities Exchange Act of 1934

#### (Amendment No.)

#### <br>
Filed by the Registrant ☒<br>

Filed by a Party other than the Registrant ☐<br>

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

## SOLARIS ENERGY INFRASTRUCTURE, INC.

#### (Name of Registrant as Specified in Its Charter)

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

#### <br>
Payment of Filing Fee (Check the appropriate box):

☒ No fee required. <br> ☐ Fee paid previously with preliminary materials. <br> ☐ 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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