<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-11-19</periodOfReport>

    <issuer>
        <issuerCik>0001556739</issuerCik>
        <issuerName>Thryv Holdings, Inc.</issuerName>
        <issuerTradingSymbol>THRY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001655183</rptOwnerCik>
            <rptOwnerName>Mudrick Capital Management, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>527 MADISON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001367262</rptOwnerCik>
            <rptOwnerName>Mudrick Jason</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MUDRICK CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>527 MADISON AVENUE, 6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001813628</rptOwnerCik>
            <rptOwnerName>Mudrick Distressed Opportunity Fund Global, LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>527 MADISON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001826215</rptOwnerCik>
            <rptOwnerName>Verto Direct Opportunity II, LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MUDRICK CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>527 MADISON AVENUE, 6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-11-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4023</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.686</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18363807</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See notes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-11-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1100</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.65</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F5"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18362707</value>
                    <footnoteId id="F6"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See notes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This Form 4 is filed by the following Reporting Persons: Mudrick Capital Management, L.P. (&quot;MCM&quot;), Jason Mudrick, Mudrick Distressed Opportunity Fund Global, LP, and Verto Direct Opportunity II, LP.</footnote>
        <footnote id="F2">Mr. Mudrick is the sole member of Mudrick Capital Management, LLC, which is the general partner of MCM. MCM is the investment manager of the following entities: Mudrick Distressed Opportunity Fund Global, LP; Mudrick Distressed Opportunity Drawdown Fund, LP; Mudrick Distressed Opportunity Drawdown Fund II, LP; Verto Direct Opportunity II, LP; Boston Patriot Batterymarch St LLC; Blackwell Partners LLC Series A; Mercer QIF Fund PLC; Trustees of Grinnell College; P Mudrick LTD; and Mudrick Distressed Opportunity Specialty Fund, LP. Mr. Mudrick is the managing member of Verto Direct Opportunity GP, LLC, which is the general partner of Verto Direct Opportunity II, LP. Each Reporting Person and each of the aforementioned entities disclaims beneficial ownership of any equity securities of the Issuer except to the extent of such person's or entity's pecuniary interest therein, if any.</footnote>
        <footnote id="F3">Represents shares of the Issuer's common stock (&quot;Common Stock&quot;) sold by P Mudrick LTD.</footnote>
        <footnote id="F4">The Common Stock was sold in multiple transactions at prices ranging from $9.65 to $9.75, inclusive. The price reported is a weighted average price. The Reporting Persons undertake 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 of Common Stock sold at each separate price within the range.</footnote>
        <footnote id="F5">The Common Stock was sold in multiple transactions at $9.65.</footnote>
        <footnote id="F6">Represents shares of Common Stock held by the following entities following the transactions reported on this Form 4: 1,667,990 by Blackwell Partners LLC Series A; 2,198,990 by Boston Patriot Batterymarch St LLC; 1,033,318 by Mercer QIF Fund PLC; 1,931,050 by Mudrick Distressed Opportunity Drawdown Fund II, LP; 1,923,401 by Mudrick Distressed Opportunity Drawdown Fund, LP; 4,265,574 by Mudrick Distressed Opportunity Fund Global, LP; 450,750 by Mudrick Distressed Opportunity Specialty Fund, LP; 460,917 by P Mudrick LTD; 616,259 by Trustees of Grinnell College; 136,269 by Verto Direct Opportunity GP, LLC; and 3,678,189 by Verto Direct Opportunity II, LP.</footnote>
    </footnotes>

    <remarks>Exhibit 99.1 (Joint Filer Information) is incorporated herein by reference.</remarks>

    <ownerSignature>
        <signatureName>See Signatures Included in Exhibit 99.1</signatureName>
        <signatureDate>2020-11-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
