| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<ownershipDocument> |
| <schemaVersion> X0306 </schemaVersion> |
| <documentType> 4 </documentType> |
| <periodOfReport> 2022-08-29 </periodOfReport> |
| <issuer> |
| | <issuerCik> 0001697500 </issuerCik> |
| | <issuerName> Solaris Oilfield Infrastructure, Inc. </issuerName> |
| | <issuerTradingSymbol> SOI </issuerTradingSymbol> |
| | </issuer> |
| <reportingOwner> |
| | <reportingOwnerId> |
| | | <rptOwnerCik> 0001227489 </rptOwnerCik> |
| | | <rptOwnerName> BURKE JAMES R </rptOwnerName> |
| | | </reportingOwnerId> |
| | <reportingOwnerAddress> |
| | | <rptOwnerStreet1> 9811 KATY FREEWAY </rptOwnerStreet1> |
| | | <rptOwnerStreet2> SUITE 700 </rptOwnerStreet2> |
| | | <rptOwnerCity> HOUSTON </rptOwnerCity> |
| | | <rptOwnerState> TX </rptOwnerState> |
| | | <rptOwnerZipCode> 77024 </rptOwnerZipCode> |
| | | <rptOwnerStateDescription></rptOwnerStateDescription> |
| | | </reportingOwnerAddress> |
| | <reportingOwnerRelationship> |
| | | <isDirector> true </isDirector> |
| | | <isOfficer> false </isOfficer> |
| | | <isTenPercentOwner> false </isTenPercentOwner> |
| | | <isOther> false </isOther> |
| | | <officerTitle></officerTitle> |
| | | <otherText></otherText> |
| | | </reportingOwnerRelationship> |
| | </reportingOwner> |
| <nonDerivativeTable> |
| | <nonDerivativeTransaction> |
| | | <securityTitle> |
| <value> Class A Common Stock </value> |
| </securityTitle> |
| | | <transactionDate> |
| <value> 2022-08-29 </value> |
| </transactionDate> |
| | | <transactionCoding> |
| <transactionFormType> 4 </transactionFormType> |
| <transactionCode> S </transactionCode> |
| <equitySwapInvolved> 0 </equitySwapInvolved> |
| </transactionCoding> |
| | | <transactionAmounts> |
| <transactionShares> |
| <value> 484 </value> |
| </transactionShares> |
| <transactionPricePerShare> |
| <value> 11.27 </value> |
| <footnoteId id="F1"/> |
| </transactionPricePerShare> |
| <transactionAcquiredDisposedCode> |
| <value> D </value> |
| </transactionAcquiredDisposedCode> |
| </transactionAmounts> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 26439 </value> |
| <footnoteId id="F2"/> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> D </value> |
| </directOrIndirectOwnership> |
| <natureOfOwnership> |
| <value></value> |
| </natureOfOwnership> |
| </ownershipNature> |
| | | </nonDerivativeTransaction> |
| | <nonDerivativeTransaction> |
| | | <securityTitle> |
| <value> Class A Common Stock </value> |
| </securityTitle> |
| | | <transactionDate> |
| <value> 2022-09-01 </value> |
| </transactionDate> |
| | | <transactionCoding> |
| <transactionFormType> 4 </transactionFormType> |
| <transactionCode> S </transactionCode> |
| <equitySwapInvolved> 0 </equitySwapInvolved> |
| </transactionCoding> |
| | | <transactionAmounts> |
| <transactionShares> |
| <value> 6000 </value> |
| </transactionShares> |
| <transactionPricePerShare> |
| <value> 10.07 </value> |
| <footnoteId id="F3"/> |
| </transactionPricePerShare> |
| <transactionAcquiredDisposedCode> |
| <value> D </value> |
| </transactionAcquiredDisposedCode> |
| </transactionAmounts> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 20439 </value> |
| <footnoteId id="F2"/> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> D </value> |
| </directOrIndirectOwnership> |
| <natureOfOwnership> |
| <value></value> |
| </natureOfOwnership> |
| </ownershipNature> |
| | | </nonDerivativeTransaction> |
| | <nonDerivativeHolding> |
| | | <securityTitle> |
| <value> Class B Common Stock </value> |
| <footnoteId id="F4"/> |
| </securityTitle> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 42734 </value> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> D </value> |
| </directOrIndirectOwnership> |
| <natureOfOwnership> |
| <value></value> |
| </natureOfOwnership> |
| </ownershipNature> |
| | | </nonDerivativeHolding> |
| | </nonDerivativeTable> |
| <derivativeTable> |
| | <derivativeHolding> |
| | | <securityTitle> |
| <value> Solaris Oilfield Infrastructure, LLC Units </value> |
| </securityTitle> |
| | | <conversionOrExercisePrice> |
| <footnoteId id="F5"/> |
| </conversionOrExercisePrice> |
| | | <exerciseDate> |
| <footnoteId id="F5"/> |
| </exerciseDate> |
| | | <expirationDate> |
| <footnoteId id="F5"/> |
| </expirationDate> |
| | | <underlyingSecurity> |
| <underlyingSecurityTitle> |
| <value> Class A Common Stock </value> |
| </underlyingSecurityTitle> |
| <underlyingSecurityShares> |
| <value> 42734 </value> |
| </underlyingSecurityShares> |
| </underlyingSecurity> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 42734 </value> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> D </value> |
| </directOrIndirectOwnership> |
| <natureOfOwnership> |
| <value></value> |
| </natureOfOwnership> |
| </ownershipNature> |
| | | </derivativeHolding> |
| | </derivativeTable> |
| <footnotes> |
| | <footnote id="F1"> The Price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.25 to $11.29, inclusive. The reporting person undertakes to provide Solaris Oilfield Infrastructure, Inc., any security holder of Solaris Oilfield Infrastructure, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote to the Form 4. </footnote> |
| | <footnote id="F2"> Includes 11,236 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting. </footnote> |
| | <footnote id="F3"> The Price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.15, inclusive. The reporting person undertakes to provide Solaris Oilfield Infrastructure, Inc., any security holder of Solaris Oilfield Infrastructure, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote to the Form 4. </footnote> |
| | <footnote id="F4"> Each share of Class B common stock has no economic rights but entitles the holder to one vote on all matters to be voted on by the stockholders generally. </footnote> |
| | <footnote id="F5"> Subject to the terms of the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017, the units in Solaris LLC (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer. </footnote> |
| | </footnotes> |
| <ownerSignature> |
| | <signatureName> /s/ Cynthia M. Durrett, as attorney-in-fact for James R. Burke </signatureName> |
| | <signatureDate> 2022-09-06 </signatureDate> |
| | </ownerSignature> |
| </ownershipDocument> |