<SEC-DOCUMENT>0001472414-21-000005.txt : 20211006
<SEC-HEADER>0001472414-21-000005.hdr.sgml : 20211006
<ACCEPTANCE-DATETIME>20211006211854
ACCESSION NUMBER:		0001472414-21-000005
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211004
FILED AS OF DATE:		20211006
DATE AS OF CHANGE:		20211006

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Humenik Delbert M
		CENTRAL INDEX KEY:			0001472414

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40276
		FILM NUMBER:		211310908

	MAIL ADDRESS:	
		STREET 1:		911 PANORAMA TRAIL SOUTH
		CITY:			ROCHESTER
		STATE:			NY
		ZIP:			14625

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEMrush Holdings, Inc.
		CENTRAL INDEX KEY:			0001831840
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				844053265
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		800 BOYLSTON STREET, SUITE 2475
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		800-851-9959

	MAIL ADDRESS:	
		STREET 1:		800 BOYLSTON STREET, SUITE 2475
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>wf-form4a_163356951643349.xml
<DESCRIPTION>FORM 4/A
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2021-10-04</periodOfReport>

    <dateOfOriginalSubmission>2021-10-07</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001831840</issuerCik>
        <issuerName>SEMrush Holdings, Inc.</issuerName>
        <issuerTradingSymbol>SEMR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001472414</rptOwnerCik>
            <rptOwnerName>Humenik Delbert M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SEMRUSH HOLDINGS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>800 BOYLSTON STREET, SUITE 2475</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Revenue Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-10-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>19775</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>22.1628</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>47068</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions in prices ranging from $21.8400 to $22.7700, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.</footnote>
    </footnotes>

    <remarks>On October 6, 2021, the Reporting Person filed a Form 4, which indicated that the Reporting Person sold 19,755 shares of Class A Common Stock on October 4, 2021.  This Form 4/A has corrected that reference to indicate that 19,775 shares were sold instead of 19,755, on October 4, 2021.</remarks>

    <ownerSignature>
        <signatureName>/s/ Sharon Levine, Attorney-in-fact</signatureName>
        <signatureDate>2021-10-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
