<SEC-DOCUMENT>0000950170-25-105888.txt : 20250808
<SEC-HEADER>0000950170-25-105888.hdr.sgml : 20250808
<ACCEPTANCE-DATETIME>20250808162741
ACCESSION NUMBER:		0000950170-25-105888
CONFORMED SUBMISSION TYPE:	SCHEDULE 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250808
DATE AS OF CHANGE:		20250808

SUBJECT COMPANY:	

	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:		SCHEDULE 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-89983
		FILM NUMBER:		251198835

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KTR Management Company, LLC
		CENTRAL INDEX KEY:			0002036327
		ORGANIZATION NAME:           	
		EIN:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		327 N. COMMERCE STREET
		STREET 2:		CENTERVILLE
		CITY:			CENTERVILLE
		STATE:			TX
		ZIP:			75833
		BUSINESS PHONE:		909-390-3962

	MAIL ADDRESS:	
		STREET 1:		327 N. COMMERCE STREET
		STREET 2:		CENTERVILLE
		CITY:			CENTERVILLE
		STATE:			TX
		ZIP:			75833
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13D" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <headerData>
    <submissionType>SCHEDULE 13D/A</submissionType>
    <previousAccessionNumber>0001341004-24-000156</previousAccessionNumber>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0002036327</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <amendmentNo>1</amendmentNo>
      <securitiesClassTitle>Class A Common Stock, par value $0.01 per share</securitiesClassTitle>
      <dateOfEvent>08/06/2025</dateOfEvent>
      <previouslyFiledFlag>false</previouslyFiledFlag>
      <issuerInfo>
        <issuerCIK>0001697500</issuerCIK>
        <issuerCUSIP>83418M103</issuerCUSIP>
        <issuerName>Solaris Energy Infrastructure, Inc.</issuerName>
        <address>
          <street1 xmlns="http://www.sec.gov/edgar/common">9651 Katy Freeway</street1>
          <street2 xmlns="http://www.sec.gov/edgar/common">Suite 300</street2>
          <city xmlns="http://www.sec.gov/edgar/common">Houston</city>
          <stateOrCountry xmlns="http://www.sec.gov/edgar/common">TX</stateOrCountry>
          <zipCode xmlns="http://www.sec.gov/edgar/common">77024</zipCode>
        </address>
      </issuerInfo>
      <authorizedPersons>
        <notificationInfo>
          <personName>John Tuma</personName>
          <personPhoneNum>(909) 390-3962</personPhoneNum>
          <personAddress>
            <street1 xmlns="http://www.sec.gov/edgar/common">327 N. Commerce Street</street1>
            <city xmlns="http://www.sec.gov/edgar/common">Centerville</city>
            <stateOrCountry xmlns="http://www.sec.gov/edgar/common">TX</stateOrCountry>
            <zipCode xmlns="http://www.sec.gov/edgar/common">75833</zipCode>
          </personAddress>
        </notificationInfo>
      </authorizedPersons>
    </coverPageHeader>
    <reportingPersons>
      <reportingPersonInfo>
        <reportingPersonCIK>0002036327</reportingPersonCIK>
        <reportingPersonNoCIK>N</reportingPersonNoCIK>
        <reportingPersonName>KTR Management Company, LLC</reportingPersonName>
        <memberOfGroup>b</memberOfGroup>
        <fundType>OO</fundType>
        <legalProceedings>N</legalProceedings>
        <citizenshipOrOrganization>TX</citizenshipOrOrganization>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>4114783.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>4114783.00</sharedDispositivePower>
        <aggregateAmountOwned>4114783.00</aggregateAmountOwned>
        <isAggregateExcludeShares>N</isAggregateExcludeShares>
        <percentOfClass>6.1</percentOfClass>
        <typeOfReportingPerson>CO</typeOfReportingPerson>
        <commentContent>(1)	Represents 4,114,783 shares of Class B common stock, par value $0.00 per share ("Class B common stock"), of Solaris Energy Infrastructure, Inc., a Delaware corporation (the "Issuer"), and an equal number of units ("Solaris LLC Units") of Solaris Energy Infrastructure, LLC, a Delaware limited liability company ("Solaris LLC") and operating subsidiary of the Issuer, held by KTR Management Company, LLC, a Texas limited liability company ("KTR"). Shares of the Issuer's Class B common stock (together with a corresponding number of Solaris LLC Units) are exchangeable for shares of the Issuer's Class A common stock, par value $0.01 per share ("Class A common stock," and together with the Class B common stock, "Common Stock"), on a one-for-one basis.

(2)	The percentage calculation is based on an aggregate of 67,582,883 shares of Common Stock, which is comprised of (a) 44,603,740 shares of the Class A common stock and (b) 22,979,143 shares of the Class B common stock as of July 30, 2025, as reported in the Issuer's most recent Quarterly Report on Form 10-Q, filed with the U.S. Securities and Exchange Commission (the "SEC") on August 1, 2025.</commentContent>
      </reportingPersonInfo>
      <reportingPersonInfo>
        <reportingPersonCIK>0002036391</reportingPersonCIK>
        <reportingPersonNoCIK>N</reportingPersonNoCIK>
        <reportingPersonName>John Tuma</reportingPersonName>
        <memberOfGroup>b</memberOfGroup>
        <fundType>OO</fundType>
        <legalProceedings>N</legalProceedings>
        <citizenshipOrOrganization>X1</citizenshipOrOrganization>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>4114783.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>4114783.00</sharedDispositivePower>
        <aggregateAmountOwned>4114783.00</aggregateAmountOwned>
        <isAggregateExcludeShares>N</isAggregateExcludeShares>
        <percentOfClass>6.1</percentOfClass>
        <typeOfReportingPerson>IN</typeOfReportingPerson>
        <commentContent>(1)	Represents 4,114,783 shares of Class B common stock, par value $0.00 per share ("Class B common stock") of Solaris Energy Infrastructure, Inc., a Delaware corporation (the "Issuer"), and an equal number of units ("Solaris LLC Units") of Solaris Energy Infrastructure, LLC, a Delaware limited liability company and operating subsidiary of the Issuer ("Solaris LLC"), held by KTR Management Company, LLC, a Texas limited liability company ("KTR"). Shares of Class B common stock (together with a corresponding number of Solaris LLC Units) are exchangeable for shares of the Issuer's Class A Common Stock, par value $0.01 per share ("Class A common stock," and together with shares of Class B common stock, the "Common Stock"), on a one-for-one basis.
(2)	The percentage calculation is based on an aggregate of 67,582,883 shares of Common Stock, which is comprised of (a) 44,603,740 shares of the Class A common stock and (b) 22,979,143 shares of the Class B common stock as of July 30, 2025, as reported in the Issuer's most recent Quarterly Report on Form 10-Q, filed with the U.S. Securities and Exchange Commission (the "SEC") on August 1, 2025.</commentContent>
      </reportingPersonInfo>
    </reportingPersons>
    <items1To7>
      <item1>
        <securityTitle>Class A Common Stock, par value $0.01 per share</securityTitle>
        <issuerName>Solaris Energy Infrastructure, Inc.</issuerName>
        <issuerPrincipalAddress>
          <street1 xmlns="http://www.sec.gov/edgar/common">9651 Katy Freeway</street1>
          <street2 xmlns="http://www.sec.gov/edgar/common">Suite 300</street2>
          <city xmlns="http://www.sec.gov/edgar/common">Houston</city>
          <stateOrCountry xmlns="http://www.sec.gov/edgar/common">TX</stateOrCountry>
          <zipCode xmlns="http://www.sec.gov/edgar/common">77024</zipCode>
        </issuerPrincipalAddress>
      </item1>
      <item3>
        <fundsSource>On August 6, 2025, KTR (i) converted 4,000,000 shares of the Issuer's Class B common stock and an equal number of Solaris LLC Units into 4,000,000 shares of the Issuer's Class A common stock in accordance with the terms of the Second Amended and Restated Limited Liability Company Agreement of Solaris LLC, dated as of May 11, 2017, as amended from time to time, pursuant to which Solaris LLC Units (together with a corresponding number of shares of the Issuer's Class B common stock) are exchangeable from time to time for shares of the Issuer's Class A common stock, and (ii) sold 4,000,000 shares of the Issuer's Class A common stock at a price per share of $29.50.</fundsSource>
      </item3>
      <item5>
        <percentageOfClassSecurities>(a) - (b) The aggregate number and percentage of shares of Common Stock beneficially owned by each of the Reporting Persons and, for such Reporting Persons, the number of shares as to which there is sole power to vote or to direct the vote, shared power to vote or to direct the vote, sole power to dispose or to direct the disposition, or shared power to dispose or to direct the disposition are set forth on rows 7 through 11 and row 13 of the cover pages of this Schedule 13D/A and are incorporated herein by reference.</percentageOfClassSecurities>
        <transactionDesc>Except as set forth in this Schedule 13D/A, the Reporting Persons have not effected any transactions in the Common Stock during the past 60 days.</transactionDesc>
        <listOfShareholders>No person other than the Reporting Persons is known to have the right to receive, or the power to direct the receipt of dividends from, or proceeds from the sale of, the Issuer's securities beneficially owned by the Reporting Persons.</listOfShareholders>
        <date5PercentOwnership>Not applicable.</date5PercentOwnership>
      </item5>
    </items1To7>
    <signatureInfo>
      <signaturePerson>
        <signatureReportingPerson>KTR Management Company, LLC</signatureReportingPerson>
        <signatureDetails>
          <signature>/s/ John Tuma</signature>
          <title>John Tuma/President</title>
          <date>08/08/2025</date>
        </signatureDetails>
      </signaturePerson>
      <signaturePerson>
        <signatureReportingPerson>John Tuma</signatureReportingPerson>
        <signatureDetails>
          <signature>/s/ John Tuma</signature>
          <title>John Tuma</title>
          <date>08/08/2025</date>
        </signatureDetails>
      </signaturePerson>
    </signatureInfo>
  </formData>
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</SEC-DOCUMENT>
