<SEC-DOCUMENT>0001104659-24-126422.txt : 20241206
<SEC-HEADER>0001104659-24-126422.hdr.sgml : 20241206
<ACCEPTANCE-DATETIME>20241206210037
ACCESSION NUMBER:		0001104659-24-126422
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20241204
FILED AS OF DATE:		20241206
DATE AS OF CHANGE:		20241206

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Redmile Group, LLC
		CENTRAL INDEX KEY:			0001425738
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39071
		FILM NUMBER:		241533624

	BUSINESS ADDRESS:	
		STREET 1:		ONE LETTERMAN DRIVE
		STREET 2:		BUILDING D, SUITE D3-300
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94129
		BUSINESS PHONE:		415-489-9980

	MAIL ADDRESS:	
		STREET 1:		ONE LETTERMAN DRIVE
		STREET 2:		BUILDING D, SUITE D3-300
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94129

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RedCo II Master Fund, L.P.
		CENTRAL INDEX KEY:			0001921783
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39071
		FILM NUMBER:		241533622

	BUSINESS ADDRESS:	
		STREET 1:		C/O MAPLES CORPORATE SERVICES LIMITED
		STREET 2:		PO BOX 309, UGLAND HOUSE
		CITY:			GEORGE TOWN, GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1104
		BUSINESS PHONE:		4154899980

	MAIL ADDRESS:	
		STREET 1:		ONE LETTERMAN DRIVE, BLDG D, STE D3-300
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94129

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Green Jeremy
		CENTRAL INDEX KEY:			0001650527
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39071
		FILM NUMBER:		241533623

	MAIL ADDRESS:	
		STREET 1:		45 W. 27TH STREET, FLOOR 11
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10001

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>
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        <issuerName>ADC Therapeutics SA</issuerName>
        <issuerTradingSymbol>ADCT</issuerTradingSymbol>
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            <rptOwnerName>Redmile Group, LLC</rptOwnerName>
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            <rptOwnerStreet2>SUITE D3-300</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94129</rptOwnerZipCode>
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    <reportingOwner>
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            <rptOwnerCik>0001650527</rptOwnerCik>
            <rptOwnerName>Green Jeremy</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O REDMILE GROUP, LLC (NY OFFICE)</rptOwnerStreet1>
            <rptOwnerStreet2>45 W. 27TH STREET, FLOOR 11</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10001</rptOwnerZipCode>
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    <reportingOwner>
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            <rptOwnerName>RedCo II Master Fund, L.P.</rptOwnerName>
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            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94129</rptOwnerZipCode>
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            <transactionDate>
                <value>2024-12-04</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
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                    <value>See Footnotes</value>
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                    <footnoteId id="F4"/>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
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            <transactionDate>
                <value>2024-12-04</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
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                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
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                <sharesOwnedFollowingTransaction>
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            </postTransactionAmounts>
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                    <value>See Footnotes</value>
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                    <footnoteId id="F4"/>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares, par value CHF 0.08 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2024-12-04</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>50672</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.07</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15566731</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
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                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
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                    <value>See Footnotes</value>
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                    <footnoteId id="F4"/>
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            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares, par value CHF 0.08 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2024-12-04</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
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                <transactionShares>
                    <value>50672</value>
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                <transactionPricePerShare>
                    <value>2.07</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
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                <sharesOwnedFollowingTransaction>
                    <value>13045712</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Pre-Funded Warrants</value>
            </securityTitle>
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            <transactionDate>
                <value>2024-12-04</value>
            </transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>26656</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.07</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
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                <value>2024-05-08</value>
            </exerciseDate>
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                <footnoteId id="F7"/>
            </expirationDate>
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                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>26656</value>
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                <sharesOwnedFollowingTransaction>
                    <value>8136609</value>
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                    <footnoteId id="F4"/>
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                    <footnoteId id="F1"/>
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                <value>2024-05-08</value>
            </exerciseDate>
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                <footnoteId id="F7"/>
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                <underlyingSecurityTitle>
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                <underlyingSecurityShares>
                    <value>26656</value>
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                    <footnoteId id="F4"/>
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                <transactionFormType>4</transactionFormType>
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                <footnoteId id="F1"/>
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            <transactionAmounts>
                <transactionShares>
                    <value>26656</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.07</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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                <value>2024-05-08</value>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F7"/>
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                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>26656</value>
                </underlyingSecurityShares>
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                <sharesOwnedFollowingTransaction>
                    <value>6133837</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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    <footnotes>
        <footnote id="F1">On December 4, 2024, certain private investment vehicles managed by Redmile Group, LLC (&quot;Redmile&quot;), including RedCo II Master Fund, L.P. (&quot;RedCo II&quot; and collectively with the other private investment vehicles managed by Redmile, the &quot;Redmile Clients&quot;), engaged in cross trades with respect to 50,672 Common Shares and 26,656 pre-funded warrants to purchase Common Shares (the &quot;Pre-Funded Warrants&quot;). A Redmile Client also sold an additional 25,352 Common Shares concurrently with the cross trades at the same price. The reported transactions occurred simultaneously, at which time the price per share of the Common Shares was $2.07 (or $1.98 for the Pre-Funded Warrants, which excludes the exercise price, see footnote 6 below), and therefore the reported transactions resulted in no profit to Redmile or Jeremy Green and the cross trades resulted in no change in either of their aggregate beneficial ownership.</footnote>
        <footnote id="F2">Since the last Form 4 filing by Redmile and Mr. Green, Redmile has ceased serving as the investment adviser to a sub-advised account that held 77,134 shares of the Issuer's Common Shares (such shares, the &quot;Account Shares&quot;) and therefore no longer has voting or dispositive power with respect to such shares. Accordingly, the amount of shares beneficially owned by Redmile and Mr. Green as disclosed herein does not include the Account Shares and each of Redmile and Mr. Green disclaims beneficial ownership of the Account Shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.</footnote>
        <footnote id="F3">These reported securities are directly owned by the Redmile Clients.</footnote>
        <footnote id="F4">Redmile may be deemed to beneficially own the reported securities as the investment manager of the Redmile Clients. The reported securities may also be deemed beneficially owned by Jeremy Green as the principal of Redmile. Redmile and Mr. Green (collectively with RedCo II, the &quot;Reporting Persons&quot;) disclaim beneficial ownership of the reported securities except to the extent of its and his respective pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Persons are the beneficial owners of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.</footnote>
        <footnote id="F5">These securities are directly owned by RedCo II and this transaction is a repetition of the same transaction disclosed in the row immediately above to disclose this fund's direct ownership.</footnote>
        <footnote id="F6">The exercise price of the Pre-Funded Warrants is CHF 0.08 per Pre-Funded Warrant Share. Based on the December 4, 2024 exchange rate of $1.13 USD to CHF 1.00, the exercise price of the Pre-Funded Warrants in US Dollars as of December 4, 2024 is approximately $0.09.</footnote>
        <footnote id="F7">The Pre-Funded Warrants are exercisable by the holder at any time after their original issuance until the tenth anniversary of their original issuance, subject to a 9.99% beneficial ownership blocker. At any time during the last 90 days of the term of the Pre-Funded Warrants, the holder thereof may exchange a Pre Funded Warrant with the Issuer for a new Pre-Funded Warrant to purchase the number of Pre-Funded Warrant Shares then remaining under such Pre-Funded Warrant, with a subsequent ten-year exercise period.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: /s/ Jeremy Green, Managing Member of Redmile Group, LLC</signatureName>
        <signatureDate>2024-12-06</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Jeremy Green, Managing Member of RedCo II (GP), LLC, the General Partner of RedCo II Master Fund, L.P.</signatureName>
        <signatureDate>2024-12-06</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Jeremy Green</signatureName>
        <signatureDate>2024-12-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
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