<SEC-DOCUMENT>0002020161-26-000002.txt : 20260220
<SEC-HEADER>0002020161-26-000002.hdr.sgml : 20260220
<ACCEPTANCE-DATETIME>20260220161646
ACCESSION NUMBER:		0002020161-26-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260219
FILED AS OF DATE:		20260220
DATE AS OF CHANGE:		20260220

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hershkowitz Steven
		CENTRAL INDEX KEY:			0002020161
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37397
		FILM NUMBER:		26660156

	MAIL ADDRESS:	
		STREET 1:		C/O 1700 S. PAVILION CENTER DRIVE
		STREET 2:		SUITE 330
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89135

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Rimini Street, Inc.
		CENTRAL INDEX KEY:			0001635282
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				364880301
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1700 S. PAVILION CENTER DR.
		STREET 2:		SUITE 330
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89135
		BUSINESS PHONE:		(702) 839-9671

	MAIL ADDRESS:	
		STREET 1:		1700 S. PAVILION CENTER DR.
		STREET 2:		SUITE 330
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89135

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GP Investments Acquisition Corp.
		DATE OF NAME CHANGE:	20150227
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1771622203.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-02-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001635282</issuerCik>
        <issuerName>Rimini Street, Inc.</issuerName>
        <issuerTradingSymbol>RMNI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002020161</rptOwnerCik>
            <rptOwnerName>Hershkowitz Steven</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O 1700 S. PAVILION CENTER DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 330</rptOwnerStreet2>
            <rptOwnerCity>LAS VEGAS</rptOwnerCity>
            <rptOwnerState>NV</rptOwnerState>
            <rptOwnerZipCode>89135</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP &amp; Chief Revenue Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common  Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>99945</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Performance Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2026-02-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>16896</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common  Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>16896</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16896</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each Performance Unit represents a contingent right to receive one share of the Issuer's Common Stock upon vesting.</footnote>
        <footnote id="F2">Represents &quot;Earned Performance Units&quot; under the terms of the Issuer's 2025 Long-Term Incentive Plan based upon the Issuer's achievement against a target &quot;Adjusted EBITDA&quot; performance goal for fiscal year 2025 and the Issuer's achievement against a target &quot;Total Revenue&quot; performance goal for fiscal year 2025, effective as of February 19, 2026 (the date the Issuer filed its Annual Report on Form 10-K for the year ended December 31, 2025).</footnote>
        <footnote id="F3">The Performance Units are subject to additional time-based vesting requirements and will vest in three (3) equal installments on March 4, 2026, March 4, 2027 and March 4, 2028, generally subject to the Reporting Person continuing to be a Service Provider (as such term is defined in the Issuer's 2013 Equity Incentive Plan) through the applicable vesting date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Celeste Rasmussen Peiffer, as Attorney-in-Fact</signatureName>
        <signatureDate>2026-02-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
