FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * DUCA MAURICE J 2. Issuer Name and Ticker or Trading Symbol APPFOLIO INC [APPF] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O IGSB, INC., 1485 E. VALLEY ROAD, SUITE H 3. Date of Earliest Transaction (Month/Day/Year) 11/04/2025 (Street) SANTA BARBARA, CA 93108 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 11/04/2025 C(1) 40,210 A $ 0 96,005 D Class A Common Stock 11/04/2025 C(2) 5,000 A $ 0 44,000 I By Family Trust Class A Common Stock 11/04/2025 C(3) 118,124 A $ 0 153,500 I By Pension Trust(4) Class A Common Stock 26,667 I By IGSB Cardinal I, LLC(5) Class A Common Stock 142,857 I By IGSB Gaucho Fund I, LLC(6) Class A Common Stock 9,805 I By IGSB Cardinal Core BV, LLC(7)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Underlying Securities (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Class B Common Stock	$ 0	11/04/2025		C(1)			40,210	(8)(9)	(8)(9)	Class A Common Stock	40,210	$ 0	3,471,416	D
Class B Common Stock	$ 0	11/04/2025		C(2)			5,000	(8)(9)	(8)(9)	Class A Common Stock	5,000	$ 0	79,442	I	By Family Trust
Class B Common Stock	$ 0	11/04/2025		C(3)			118,124	(8)(9)	(8)(9)	Class A Common Stock	118,124	$ 0	2,382,136	I	By Pension Trust(10)
Class B Common Stock	$ 0							(8)(9)	(8)(9)	Class A Common Stock	(8)(9)		26,666	I	By IGSB Cardinal I, LLC(11)
Class B Common Stock	$ 0							(8)(9)	(8)(9)	Class A Common Stock	(8)(9)		142,858	I	By IGSB Gaucho Fund I, LLC(12)
Class B Common Stock	$ 0							(8)(9)	(8)(9)	Class A Common Stock	(8)(9)		4,995	I	By IGSB Cardinal Core BV, LLC(13)
Class B Common Stock	$ 0							(8)(9)	(8)(9)	Class A Common Stock	(8)(9)		7,022	I	By Charitable Remainder Trust(14)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
DUCA MAURICE J C/O IGSB, INC. 1485 E. VALLEY ROAD, SUITE H SANTA BARBARA, CA 93108		X

Signatures

/s/ Kimberly Shea, Attorney-in-Fact for Maurice J. Duca		11/06/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The Reporting Person acquired these 40,210 shares of Class A Common Stock ("Class A Shares") by converting a like number of shares of Class B Common Stock ("Class B Shares") that were owned by the Reporting Person.
(2)	The Reporting Person acquired these 5,000 Class A Shares by converting a like number of Class B Shares that were owned by the Reporting Person.
(3)	The Reporting Person acquired these 118,124 Class A Shares by converting a like number of Class B Shares that were owned by the Reporting Person.
(4)	These Class A Shares 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.
(5)	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.
(6)	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.
(7)	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.
(8)	Each Class B Share is convertible, at any time at the option of the holder, into one Class A Share. In addition, Class B Shares that are sold or otherwise transferred will convert automatically, on a one share-for-one share basis, into Class A Shares, except for (i) any transfer by a partnership or limited liability company that was a registered holder of Class B Shares prior to June 30, 2015 that is made to anyone who was a partner or member of any such partnership or limited liability company prior to June 30, 2015, and (ii) any transfer to a "qualified recipient" (as defined in AppFolio's Amended and Restated Certificate of Incorporation).
(9)	(Continued from Footnote 8) AppFolio's Class B Shares do not have an expiration date. However, all of the outstanding Class B Shares will convert automatically into Class A Shares, on a one share-for-one share basis, on the date when the number of the Company's outstanding Class B Shares represents less than 10% of the sum of AppFolio's outstanding Class A Shares and Class B Shares.
(10)	These Class B Shares 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 B Shares. However, the Reporting Person does not possess any pecuniary interest in these Class B Shares.
(11)	These Class B 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 B Shares. However, the Reporting Person disclaims beneficial ownership in these Class B Shares, except to the extent of any pecuniary interest he may have therein.
(12)	These Class B 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 B Shares. However, the Reporting Person disclaims beneficial ownership in these Class B Shares, except to the extent of any pecuniary interest he may have therein.
(13)	These Class B 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 B Shares, but he disclaims beneficial ownership over the Class B Shares, except to the extent of any pecuniary interest he may have therein.
(14)	These Class B 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 B Shares with the other trustee. However, the Reporting Person does not have a pecuniary interest in, and he disclaims beneficial ownership of, these Class B Shares.

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