<SEC-DOCUMENT>0001224922-25-000009.txt : 20250917
<SEC-HEADER>0001224922-25-000009.hdr.sgml : 20250917
<ACCEPTANCE-DATETIME>20250917162617
ACCESSION NUMBER:		0001224922-25-000009
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250915
FILED AS OF DATE:		20250917
DATE AS OF CHANGE:		20250917

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			EFRUSY KEVIN
		CENTRAL INDEX KEY:			0001224922
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40601
		FILM NUMBER:		251320356

	MAIL ADDRESS:	
		STREET 1:		428 UNIVERSITY AVE
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94031

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Couchbase, Inc.
		CENTRAL INDEX KEY:			0001845022
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		ORGANIZATION NAME:           	06 Technology
		EIN:				263576987
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0131

	BUSINESS ADDRESS:	
		STREET 1:		3155 OLSEN DRIVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95117
		BUSINESS PHONE:		6504177500

	MAIL ADDRESS:	
		STREET 1:		3155 OLSEN DRIVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95117
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1758140774.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-09-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001845022</issuerCik>
        <issuerName>Couchbase, Inc.</issuerName>
        <issuerTradingSymbol>BASE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001224922</rptOwnerCik>
            <rptOwnerName>EFRUSY KEVIN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O COUCHBASE, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>3155 OLSEN DR., SUITE 150</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95117</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-09-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>420</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>38704</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>548874</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Accel X L.P.</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>146484</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Accel Growth Fund II Strategic Partners L.P.</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>217110</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Accel Growth Fund Investors 2013 L.L.C.</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>41585</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Accel X Strategic Partners L.P.</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2022312</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Accel Growth Fund II L.P.</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>57390</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Accel Investors 2008 L.L.C.</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>560</value>
                    <footnoteId id="F6"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Accel X Associates L.L.C.</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>35592</value>
                    <footnoteId id="F7"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>The Efrusy Family Trust u/a/d 10/21/2005</value>
                    <footnoteId id="F8"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This represents an award of restricted stock units to the Issuer's non-employee director. Each unit represents a contingent right to receive one share of the Issuer's common stock upon vesting. One
hundred percent (100%) of the restricted stock units was scheduled to vest on September 15, 2025, but settlement has been deferred under our non-employee director RSU deferral program.</footnote>
        <footnote id="F2">Reflects distributions of (i) 423,600 shares of the Issuer's common stock, (ii) 423,600 shares of the Issuer's common stock, and (iii) 550,680 shares of the Issuer's common stock, in each case
distributed by Accel X L.P. to its limited partners and general partner, which shares were further distributed, representing each such partner's pro rata interest in such shares distributed, for no consideration on December 18, 2023, January 8, 2024, and March 7, 2024, respectively, in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.</footnote>
        <footnote id="F3">Accel X Associates L.L.C. (&quot;A10A&quot;) is the General Partner of both Accel X L.P. and Accel X Strategic Partners L.P., and has the sole voting and investment power. Andrew G. Braccia, Kevin J. Efrusy, Sameer K. Gandhi, Ping Li, and Richard P. Wong are the Managing Members of A10A and Accel Investors 2008 L.L.C., and therefore share the voting and investment powers. Accel Growth Fund II Associates L.L.C., or AGF2A, is the General Partner of both Accel Growth Fund II L.P. and Accel Growth Fund II Strategic Partners L.P., and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Ryan J. Sweeney and Richard P. Wong are the Managing Members of AGF2A and Accel Growth Fund Investors 2013 L.L.C. and share such powers. Each person disclaims beneficial ownership except to the extent of their pecuniary interest therein. The address for all Accel entities listed above is 500 University Avenue, Palo Alto, California 94301.</footnote>
        <footnote id="F4">Reflects distributions of (i) 32,100 shares of the Issuer's common stock, (ii) 32,100 shares of the Issuer's common stock, and (iii) 41,730 shares of the Issuer's common stock, in each case distributed by Accel X Strategic Partners L.P. to its limited partners and general partner, which shares were further distributed, representing each such partner's pro rata interest in such shares distributed, for no consideration on December 18, 2023, January 8, 2024, and March 7, 2024, respectively, in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.</footnote>
        <footnote id="F5">Reflects distributions of (i) 44,300 shares of the Issuer's common stock, (ii) 44,300 shares of the Issuer's common stock, and (iii) 57,590 shares of the Issuer's common stock, in each case distributed by Accel Investors 2008 L.L.C. to its limited partners and general partner, which shares were further distributed, representing each such partner's pro rata interest in such shares distributed, for no consideration on December 18, 2023, January 8, 2024, and March 7, 2024, respectively, in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.</footnote>
        <footnote id="F6">Reflects distribution of (i) 476 shares of the Issuer's common stock by Accel X L.P. and (ii) 84 shares of the Issuer's common stock by Accel X Strategic Partners L.P., in each case distributed to A10A for no consideration on March 7, 2024, in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.</footnote>
        <footnote id="F7">Reflects distributions of (i) 7,521 shares of the Issuer's common stock, (ii) 6,396 shares of the Issuer's common stock, and (iii) 210 shares of the Issuer's common stock, in each case distributed to The Efrusy Family Trust u/a/d 10/21/2005 (the &quot;Trust&quot;), of which Mr. Efrusy is a Trustee, for no consideration on December 18, 2023, January 8, 2024, and March 7, 2024, respectively, in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.</footnote>
        <footnote id="F8">Shares held by the Trust. The Reporting Person disclaims beneficial ownership over the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not
be deemed an admission that the Reporting Person is the beneficial owner of such securities afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Margaret Chow, by Power of Attorney for Kevin Efrusy</signatureName>
        <signatureDate>2025-09-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
