<SEC-DOCUMENT>0000950170-24-014091.txt : 20240212
<SEC-HEADER>0000950170-24-014091.hdr.sgml : 20240212
<ACCEPTANCE-DATETIME>20240212202203
ACCESSION NUMBER:		0000950170-24-014091
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240208
FILED AS OF DATE:		20240212
DATE AS OF CHANGE:		20240212

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kirn David
		CENTRAL INDEX KEY:			0001834021
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39782
		FILM NUMBER:		24622200

	MAIL ADDRESS:	
		STREET 1:		C/O 4D MOLECULAR THERAPEUTICS INC.
		STREET 2:		5858 HORTON STREET #455
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			4D Molecular Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001650648
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				473506994
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5858 HORTON STREET #455
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608
		BUSINESS PHONE:		5105052680

	MAIL ADDRESS:	
		STREET 1:		5858 HORTON STREET #455
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	4D Molecular Therapeutics Inc.
		DATE OF NAME CHANGE:	20200506

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	4D Molecular Therapeutics Inc
		DATE OF NAME CHANGE:	20150811
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-02-08</periodOfReport>

    <issuer>
        <issuerCik>0001650648</issuerCik>
        <issuerName>4D Molecular Therapeutics, Inc.</issuerName>
        <issuerTradingSymbol>FDMT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001834021</rptOwnerCik>
            <rptOwnerName>Kirn David</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O 4D MOLECULAR THERAPEUTICS INC.</rptOwnerStreet1>
            <rptOwnerStreet2>5858 HORTON STREET #455</rptOwnerStreet2>
            <rptOwnerCity>EMERYVILLE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94608</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>true</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-02-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>92001</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>27.1282</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1059153</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Transaction made pursuant to a 10b5-1 trading plan adopted by the Reporting Person on August 17, 2023.</footnote>
        <footnote id="F2">The transaction was executed in multiple trades in prices ranging from $26.75 to $27.55, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The reporting person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: /s/ Scott Bizily as Attorney-in-fact David Kirn</signatureName>
        <signatureDate>2024-02-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
