<SEC-DOCUMENT>0000950170-25-105251.txt : 20250807
<SEC-HEADER>0000950170-25-105251.hdr.sgml : 20250807
<ACCEPTANCE-DATETIME>20250807172610
ACCESSION NUMBER:		0000950170-25-105251
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250807
DATE AS OF CHANGE:		20250807

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:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-38090
		FILM NUMBER:		251195456

	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

REPORTING-OWNER:	

	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:		144

	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>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<headerData>
<submissionType>144</submissionType>
<filerInfo>
<filer>
<filerCredentials>
<cik>0002036327</cik>
<ccc>XXXXXXXX</ccc>
</filerCredentials>
</filer>
<liveTestFlag>LIVE</liveTestFlag>
</filerInfo>
</headerData>
<formData>
<issuerInfo>
<issuerCik>0001697500</issuerCik>
<issuerName>Solaris Energy Infrastructure, Inc.</issuerName>
<secFileNumber>001-38090</secFileNumber>
<issuerAddress>
<street1 xmlns="http://www.sec.gov/edgar/common">9651 Katy Freeway, Suite 300</street1>
<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>
</issuerAddress>
<issuerContactPhone>281-501-3070</issuerContactPhone>
<nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>KTR Management Company, LLC</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
<relationshipsToIssuer>
<relationshipToIssuer>Owner</relationshipToIssuer>
</relationshipsToIssuer>
</issuerInfo>
<securitiesInformation>
<securitiesClassTitle>Class A common stock, par value $0.01 per share</securitiesClassTitle>
<brokerOrMarketmakerDetails>
<name>Morgan Stanley &amp; Co. LLC</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">1585 Broadway</street1>
<city xmlns="http://www.sec.gov/edgar/common">New York</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">NY</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">10036</zipCode>
</address>
</brokerOrMarketmakerDetails>
<noOfUnitsSold>4000000</noOfUnitsSold>
<aggregateMarketValue>118000000.00</aggregateMarketValue>
<noOfUnitsOutstanding>67582883</noOfUnitsOutstanding>
<approxSaleDate>08/06/2025</approxSaleDate>
<securitiesExchangeName>NYSE</securitiesExchangeName>
</securitiesInformation>
<securitiesToBeSold>
<securitiesClassTitle>Units of Solaris Energy Infrastructure, LLC and an equal number of shares of Class B common stock, par value $0.00 per share</securitiesClassTitle>
<acquiredDate>09/11/2024</acquiredDate>
<natureOfAcquisitionTransaction>Contribution/Acquisition</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Solaris Energy Infrastructure, Inc.</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>8114783</amountOfSecuritiesAcquired>
<paymentDate>09/11/2024</paymentDate>
<natureOfPayment>Contribution Consideration</natureOfPayment>
</securitiesToBeSold>
<nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
<noticeSignature>
<noticeDate>08/07/2025</noticeDate>
<signature>Christopher M. Powell</signature>
</noticeSignature>
</formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
