<SEC-DOCUMENT>0000950170-24-007978.txt : 20240126
<SEC-HEADER>0000950170-24-007978.hdr.sgml : 20240126
<ACCEPTANCE-DATETIME>20240126163559
ACCESSION NUMBER:		0000950170-24-007978
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240124
FILED AS OF DATE:		20240126
DATE AS OF CHANGE:		20240126

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Medicxi Growth I LP
		CENTRAL INDEX KEY:			0001690310
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			Y9

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39094
		FILM NUMBER:		24568429

	BUSINESS ADDRESS:	
		STREET 1:		C/O ELIAN FUND SERVICES (JERSEY) LIMITED
		STREET 2:		44 ESPLANADE
		CITY:			ST HELIER
		STATE:			Y9
		ZIP:			JE4 9WG
		BUSINESS PHONE:		44 (0)1534 504343

	MAIL ADDRESS:	
		STREET 1:		C/O ELIAN FUND SERVICES (JERSEY) LIMITED
		STREET 2:		44 ESPLANADE
		CITY:			ST HELIER
		STATE:			Y9
		ZIP:			JE4 9WG

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Medicxi Growth Co-Invest I LP
		CENTRAL INDEX KEY:			0001715578
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39094
		FILM NUMBER:		24568428

	BUSINESS ADDRESS:	
		STREET 1:		C/O INTERTRUST FUND SERVICES (JERSEY)
		STREET 2:		44 ESPLANADE
		CITY:			ST. HELIER
		STATE:			Y9
		ZIP:			JE4 9WG
		BUSINESS PHONE:		44 (0) 1534 504343

	MAIL ADDRESS:	
		STREET 1:		C/O INTERTRUST FUND SERVICES (JERSEY)
		STREET 2:		44 ESPLANADE
		CITY:			ST. HELIER
		STATE:			Y9
		ZIP:			JE4 9WG

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Medicxi Ventures Management (Jersey) Ltd
		CENTRAL INDEX KEY:			0001715579
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			Y9

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39094
		FILM NUMBER:		24568431

	BUSINESS ADDRESS:	
		STREET 1:		C/O INTERTRUST FUND SERVICES (JERSEY)
		STREET 2:		44 ESPLANADE
		CITY:			ST. HELIER
		STATE:			Y9
		ZIP:			JE4 9WG
		BUSINESS PHONE:		44 (0) 1534 504343

	MAIL ADDRESS:	
		STREET 1:		C/O INTERTRUST FUND SERVICES (JERSEY)
		STREET 2:		44 ESPLANADE
		CITY:			ST. HELIER
		STATE:			Y9
		ZIP:			JE4 9WG

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Medicxi Co-Invest IV LP
		CENTRAL INDEX KEY:			0002008616
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			Y9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39094
		FILM NUMBER:		24568425

	BUSINESS ADDRESS:	
		STREET 1:		44 ESPLANADE
		CITY:			ST. HELIER
		STATE:			Y9
		ZIP:			JE4 9WG
		BUSINESS PHONE:		44-0-1534-504343

	MAIL ADDRESS:	
		STREET 1:		44 ESPLANADE
		CITY:			ST. HELIER
		STATE:			Y9
		ZIP:			JE4 9WG

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Medicxi Growth I GP Ltd
		CENTRAL INDEX KEY:			0001715600
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39094
		FILM NUMBER:		24568430

	BUSINESS ADDRESS:	
		STREET 1:		C/O INTERTRUST FUND SERVICES (JERSEY)
		STREET 2:		44 ESPLANADE
		CITY:			ST. HELIER
		STATE:			Y9
		ZIP:			JE4 9WG
		BUSINESS PHONE:		44 (0) 1534 504343

	MAIL ADDRESS:	
		STREET 1:		C/O INTERTRUST FUND SERVICES (JERSEY)
		STREET 2:		44 ESPLANADE
		CITY:			ST. HELIER
		STATE:			Y9
		ZIP:			JE4 9WG

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Medicxi IV LP
		CENTRAL INDEX KEY:			0001929290
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			Y9

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39094
		FILM NUMBER:		24568426

	BUSINESS ADDRESS:	
		STREET 1:		C/O INTERTRUST FUND SERVICES (JERSEY)
		STREET 2:		44 ESPLANADE
		CITY:			ST HELIER
		STATE:			Y9
		ZIP:			JE4 9WG
		BUSINESS PHONE:		44-0-1534-504343

	MAIL ADDRESS:	
		STREET 1:		C/O INTERTRUST FUND SERVICES (JERSEY)
		STREET 2:		44 ESPLANADE
		CITY:			ST HELIER
		STATE:			Y9
		ZIP:			JE4 9WG

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Medicxi IV GP Ltd
		CENTRAL INDEX KEY:			0002008614
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			Y9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39094
		FILM NUMBER:		24568427

	BUSINESS ADDRESS:	
		STREET 1:		44 ESPLANADE
		CITY:			ST. HELIER
		STATE:			Y9
		ZIP:			JE4 9WG
		BUSINESS PHONE:		44-0-1534-504343

	MAIL ADDRESS:	
		STREET 1:		44 ESPLANADE
		CITY:			ST. HELIER
		STATE:			Y9
		ZIP:			JE4 9WG

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Phathom Pharmaceuticals, Inc.
		CENTRAL INDEX KEY:			0001783183
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				824151574
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		100 CAMPUS DRIVE,
		STREET 2:		SUITE 102
		CITY:			FLORHAM PARK
		STATE:			NJ
		ZIP:			07932
		BUSINESS PHONE:		(877) 742-8466

	MAIL ADDRESS:	
		STREET 1:		100 CAMPUS DRIVE,
		STREET 2:		SUITE 102
		CITY:			FLORHAM PARK
		STATE:			NJ
		ZIP:			07932
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2024-01-24</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001783183</issuerCik>
        <issuerName>Phathom Pharmaceuticals, Inc.</issuerName>
        <issuerTradingSymbol>PHAT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001715579</rptOwnerCik>
            <rptOwnerName>Medicxi Ventures Management (Jersey) Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O INTERTRUST FUND SERVICES (JERSEY)</rptOwnerStreet1>
            <rptOwnerStreet2>LIMITED 44 ESPLANADE</rptOwnerStreet2>
            <rptOwnerCity>ST. HELIER</rptOwnerCity>
            <rptOwnerState>Y9</rptOwnerState>
            <rptOwnerZipCode>JE4 9WG</rptOwnerZipCode>
            <rptOwnerStateDescription>JERSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001715600</rptOwnerCik>
            <rptOwnerName>Medicxi Growth I GP Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O INTERTRUST FUND SERVICES (JERSEY)</rptOwnerStreet1>
            <rptOwnerStreet2>LIMITED 44 ESPLANADE</rptOwnerStreet2>
            <rptOwnerCity>ST. HELIER</rptOwnerCity>
            <rptOwnerState>Y9</rptOwnerState>
            <rptOwnerZipCode>JE4 9WG</rptOwnerZipCode>
            <rptOwnerStateDescription>JERSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001690310</rptOwnerCik>
            <rptOwnerName>Medicxi Growth I LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O INTERTRUST FUND SERVICES (JERSEY)</rptOwnerStreet1>
            <rptOwnerStreet2>LIMITED 44 ESPLANADE</rptOwnerStreet2>
            <rptOwnerCity>ST. HELIER</rptOwnerCity>
            <rptOwnerState>Y9</rptOwnerState>
            <rptOwnerZipCode>JE4 9WG</rptOwnerZipCode>
            <rptOwnerStateDescription>JERSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001715578</rptOwnerCik>
            <rptOwnerName>Medicxi Growth Co-Invest I LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O INTERTRUST FUND SERVICES (JERSEY)</rptOwnerStreet1>
            <rptOwnerStreet2>LIMITED 44 ESPLANADE</rptOwnerStreet2>
            <rptOwnerCity>ST. HELIER</rptOwnerCity>
            <rptOwnerState>Y9</rptOwnerState>
            <rptOwnerZipCode>JE4 9WG</rptOwnerZipCode>
            <rptOwnerStateDescription>JERSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002008614</rptOwnerCik>
            <rptOwnerName>Medicxi IV GP Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O INTERTRUST FUND SERVICES (JERSEY)</rptOwnerStreet1>
            <rptOwnerStreet2>LIMITED 44 ESPLANADE</rptOwnerStreet2>
            <rptOwnerCity>ST. HELIER</rptOwnerCity>
            <rptOwnerState>Y9</rptOwnerState>
            <rptOwnerZipCode>JE4 9WG</rptOwnerZipCode>
            <rptOwnerStateDescription>JERSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001929290</rptOwnerCik>
            <rptOwnerName>Medicxi IV LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O INTERTRUST FUND SERVICES (JERSEY)</rptOwnerStreet1>
            <rptOwnerStreet2>LIMITED 44 ESPLANADE</rptOwnerStreet2>
            <rptOwnerCity>ST. HELIER</rptOwnerCity>
            <rptOwnerState>Y9</rptOwnerState>
            <rptOwnerZipCode>JE4 9WG</rptOwnerZipCode>
            <rptOwnerStateDescription>JERSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002008616</rptOwnerCik>
            <rptOwnerName>Medicxi Co-Invest IV LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O INTERTRUST FUND SERVICES (JERSEY)</rptOwnerStreet1>
            <rptOwnerStreet2>LIMITED 44 ESPLANADE</rptOwnerStreet2>
            <rptOwnerCity>ST. HELIER</rptOwnerCity>
            <rptOwnerState>Y9</rptOwnerState>
            <rptOwnerZipCode>JE4 9WG</rptOwnerZipCode>
            <rptOwnerStateDescription>JERSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3673602</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Medicxi Growth I LP</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>87267</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Medicxi Growth Co-Invest I LP</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3641728</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Medicxi IV LP</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>61975</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Medicxi Co-Invest IV LP</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares held by Medicxi Growth I LP (&quot;Growth I&quot;). Medicxi Growth I GP Limited (&quot;Growth I GP&quot;) is the sole general partner of Growth I, and Medicxi Ventures Management (Jersey) Limited (&quot;Medicxi Manager&quot;) is the sole manager of Growth I. The Reporting Persons disclaim Section 16 beneficial ownership of the securities held by Growth I, except to the extent of their respective pecuniary interest therein, if any, and this report shall not be deemed to be an admission that they are the beneficial owners of such shares for Section 16 or any other purpose.</footnote>
        <footnote id="F2">Shares held by Medicxi Growth Co-Invest I LP (&quot;Growth Co-Invest I&quot;). Growth I GP is the sole general partner of Growth Co-Invest I, and Medicxi Manager is the sole manager of Growth Co-Invest I. The Reporting Persons disclaim Section 16 beneficial ownership of the securities held by Growth Co-Invest I, except to the extent of their respective pecuniary interest therein, if any, and this report shall not be deemed to be an admission that they are the beneficial owners of such shares for Section 16 or any other purpose.</footnote>
        <footnote id="F3">Shares held Medicxi IV LP (&quot;Medicxi IV&quot;). Medicxi IV GP Limited (&quot;Medicxi IV GP&quot;) is the sole general partner of Medicxi IV, and Medicxi Manager is the sole manager of Medicxi IV. The Reporting Persons disclaim Section 16 beneficial ownership of the securities held by Medicxi IV, except to the extent of their respective pecuniary interest therein, if any, and this report shall not be deemed to be an admission that they are the beneficial owners of such shares for Section 16 or any other purpose.</footnote>
        <footnote id="F4">Shares held by Medicxi Co-Invest IV LP (&quot;Co-Invest IV&quot;). Medicxi IV GP is the sole general partner of Co-Invest IV, and Medicxi Manager is the sole manager of Co-Invest IV. The Reporting Persons disclaim Section 16 beneficial ownership of the securities held by Co-Invest IV, except to the extent of their respective pecuniary interest therein, if any, and this report shall not be deemed to be an admission that they are the beneficial owners of such shares for Section 16 or any other purpose.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>MEDICXI VENTURES MANAGEMENT (JERSEY) LIMITED, By: /s/ Giles Johnstone-Scott, Director</signatureName>
        <signatureDate>2024-01-26</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>MEDICXI GROWTH I LP, By: Medicxi Ventures Management (Jersey) Limited, By: /s/ Giles Johnstone-Scott, Director</signatureName>
        <signatureDate>2024-01-26</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>MEDICXI GROWTH CO-INVEST I LP, By: Medicxi Ventures Management (Jersey) Limited, By: /s/ Giles Johnstone-Scott, Director</signatureName>
        <signatureDate>2024-01-26</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>MEDICXI GROWTH I GP LIMITED, By: /s/ Nigel Crocker, Alternate Director</signatureName>
        <signatureDate>2024-01-26</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>MEDICXI IV LP, By: Medicxi Ventures Management (Jersey) Limited, By: /s/ Giles Johnstone-Scott, Director</signatureName>
        <signatureDate>2024-01-26</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>MEDICXI CO-INVEST IV LP, By: Medicxi Ventures Management (Jersey) Limited, By: /s/ Giles Johnstone-Scott, Director</signatureName>
        <signatureDate>2024-01-26</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>MEDICXI IV GP LIMITED, By: /s/ Nigel Crocker, Alternate Director</signatureName>
        <signatureDate>2024-01-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
