<SEC-DOCUMENT>0000938333-26-000010.txt : 20260806
<SEC-HEADER>0000938333-26-000010.hdr.sgml : 20260806
<ACCEPTANCE-DATETIME>20260806182936
ACCESSION NUMBER:		0000938333-26-000010
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260804
FILED AS OF DATE:		20260806
DATE AS OF CHANGE:		20260806

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DUCA MAURICE J
		CENTRAL INDEX KEY:			0000938333
		ORGANIZATION NAME:           	
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37468
		FILM NUMBER:		261250810

	MAIL ADDRESS:	
		STREET 1:		PO BOX 5609
		CITY:			SANTA BARBARA
		STATE:			CA
		ZIP:			93150

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			APPFOLIO INC
		CENTRAL INDEX KEY:			0001433195
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		ORGANIZATION NAME:           	06 Technology
		EIN:				260359894
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		70 CASTILIAN DRIVE
		CITY:			SANTA BARBARA
		STATE:			CA
		ZIP:			93117
		BUSINESS PHONE:		8053646047

	MAIL ADDRESS:	
		STREET 1:		70 CASTILIAN DRIVE
		CITY:			SANTA BARBARA
		STATE:			CA
		ZIP:			93117
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>95532</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Pension Trust</value>
                    <footnoteId id="F8"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>26667</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By IGSB Cardinal I, LLC</value>
                    <footnoteId id="F10"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>142857</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By IGSB Gaucho Fund I, LLC</value>
                    <footnoteId id="F11"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9805</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By IGSB Cardinal Core BV, LLC</value>
                    <footnoteId id="F12"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7022</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Charitable Remainder Trust</value>
                    <footnoteId id="F13"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.</footnote>
        <footnote id="F2">This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $195.73 to $196.70, inclusive. The Reporting Person undertakes 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 sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F3">This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $196.73 to $197.58, inclusive. The Reporting Person undertakes 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 sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F4">This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $197.78 to $198.03, inclusive. The Reporting Person undertakes 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 sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F5">This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $192.58 to $193.57, inclusive. The Reporting Person undertakes 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 sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F6">This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $193.58 to $194.53, inclusive. The Reporting Person undertakes 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 sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F7">This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $194.70 to $195.66, inclusive. The Reporting Person undertakes 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 sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F8">These shares of Class A Common Stock (&quot;Class A Shares&quot;) are held by a pension trust of which the Reporting Person is the sole trustee and who, in that capacity, possesses sole voting and sole dispositive power over these Class A Shares. However, the Reporting Person does not possess any pecuniary interest in these Class A Shares.</footnote>
        <footnote id="F9">This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $196.73 to $197.65, inclusive. The Reporting Person undertakes 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 sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F10">These Class A Shares are owned by IGSB Cardinal I, LLC, a limited liability company, of which the Reporting Person is the managing member.  In that capacity, the Reporting Person possesses sole voting and dispositive power over these Class A Shares. However, the Reporting Person disclaims beneficial ownership in these Class A Shares, except to the extent of any pecuniary interest he may have therein.</footnote>
        <footnote id="F11">These Class A Shares are owned by IGSB Gaucho Fund I, LLC, a limited liability company, of which the Reporting Person is the managing member. In that capacity, the Reporting Person possesses sole voting and dispositive power over these Class A Shares. However, the Reporting Person disclaims beneficial ownership in these Class A Shares, except to the extent of any pecuniary interest he may have therein.</footnote>
        <footnote id="F12">These Class A Shares are owned by IGSB Cardinal Core BV, LLC, a limited liability company, of which the Reporting Person is the managing member. In that capacity, the Reporting Person possesses sole voting and dispositive power over these Class A Shares, but he disclaims beneficial ownership in these Class A Shares, except to the extent of any pecuniary interest he may have therein.</footnote>
        <footnote id="F13">These Class A Shares are held by a trust of which the Reporting Person is a co-trustee and, in that capacity, he may be deemed to share voting and dispositive power over these Class A Shares with the other trustee. However, the Reporting Person does not have a pecuniary interest in, and he disclaims beneficial ownership of, these Class A Shares.</footnote>
    </footnotes>

    <remarks>Due to a 30 line-item limitation in Table I, this is the second of two Forms 4 filed by the Reporting Person.</remarks>

    <ownerSignature>
        <signatureName>/s/ Kimberly Shea, Attorney-in-Fact for Maurice J. Duca</signatureName>
        <signatureDate>2026-08-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
