<SEC-DOCUMENT>0001628280-24-028351.txt : 20240614
<SEC-HEADER>0001628280-24-028351.hdr.sgml : 20240614
<ACCEPTANCE-DATETIME>20240614173711
ACCESSION NUMBER:		0001628280-24-028351
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240613
FILED AS OF DATE:		20240614
DATE AS OF CHANGE:		20240614

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Pfisterer Thomas
		CENTRAL INDEX KEY:			0001824238
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39071
		FILM NUMBER:		241046183

	MAIL ADDRESS:	
		STREET 1:		NEUGASSE 22
		CITY:			ZUG
		STATE:			V8
		ZIP:			6300

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADC Therapeutics SA
		CENTRAL INDEX KEY:			0001771910
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			V8
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		BIOPOLE
		STREET 2:		ROUTE DE LA CORNICHE 3B
		CITY:			EPALINGES
		STATE:			V8
		ZIP:			1066
		BUSINESS PHONE:		41 21 653 02 00

	MAIL ADDRESS:	
		STREET 1:		BIOPOLE
		STREET 2:		ROUTE DE LA CORNICHE 3B
		CITY:			EPALINGES
		STATE:			V8
		ZIP:			1066
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1718401022.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-06-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001771910</issuerCik>
        <issuerName>ADC Therapeutics SA</issuerName>
        <issuerTradingSymbol>ADCT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001824238</rptOwnerCik>
            <rptOwnerName>Pfisterer Thomas</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>430 MOUNTAIN AVENUE, SUITE 404</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW PROVIDENCE</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07974</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 Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2024-06-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>40000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>215337</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>451856</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By HPWH TH AG</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents the annual grant of restricted stock units (&quot;RSUs&quot;) made under the Issuer's 2019 Equity Incentive Plan for service as a Director. The RSUs vest one year from the grant date, subject to the Reporting Person's continued service to the Issuer. Each RSU represents a contingent right to receive one share of the Issuer's common stock.</footnote>
        <footnote id="F2">The reporting person disclaims beneficial ownership of all Common Shares held of record by HPWH TH AG (&quot;HPWH&quot;), other than the Common Shares in HPWH that are indirectly represented by the reporting person's 41.7% interest in HPWH MH AG, which owns a 12.5% interest in HPWH, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the remaining Common Shares in HPWH for purposes of Section 16 or for any other purpose.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Lisa Kallebo, as Attorney-in-Fact for Thomas Pfisterer</signatureName>
        <signatureDate>2024-06-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
