Maurice J. Duca - 02 Feb 2026 Form 4 Insider Report for APPFOLIO INC (APPF)

Reporting relationship: 10%+ Owner
Issuer ticker: APPF
Reported as of: 02 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Feb 2026, 19:35:13 UTC
Prior SEC filing: 06 Nov 2025
Next SEC filing: 09 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Kimberly Shea, Attorney-in-Fact for Maurice J. Duca

Key filing fact

Maurice J. Duca filed Form 4 for APPFOLIO INC (APPF) on 03 Feb 2026.

Key facts

This page summarizes Maurice J. Duca's Form 4 filing for APPFOLIO INC (APPF).
2 reported transactions and 7 derivative rows are listed below.
Accepted by SEC: 03 Feb 2026, 19:35.

Change

Previous filing in this sequence was filed on 06 Nov 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0000938333 Primary reporting owner

DUCA MAURICE J

Relationship: 10%+ Owner
Address: C/O IGSB, INC., 1485 E. VALLEY ROAD, SUITE H, SANTA BARBARA
Signature: /s/ Kimberly Shea, Attorney-in-Fact for Maurice J. Duca
Signature date: 03 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

APPF transaction

Class A Common Stock

Conversion of derivative security

Transaction value: $0
Shares: +7,022
Change %
Price: $0.000000
Shares after: 7,022
Date: 02 Feb 2026
Ownership: By Charitable Remainder Trust
Footnotes: F1, F2

APPF holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 96,005
Date: 02 Feb 2026
Ownership: Direct

APPF holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 44,000
Date: 02 Feb 2026
Ownership: By Family Trust

APPF holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 153,500
Date: 02 Feb 2026
Ownership: By Pension Trust
Footnotes: F3

APPF holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 26,667
Date: 02 Feb 2026
Ownership: By IGSB Cardinal I, LLC
Footnotes: F4

APPF holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 142,857
Date: 02 Feb 2026
Ownership: By IGSB Gaucho Fund I, LLC
Footnotes: F5

APPF holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 9,805
Date: 02 Feb 2026
Ownership: By IGSB Cardinal Core BV, LLC
Footnotes: F6

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

APPF transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value: $0
Shares: -7,022
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 02 Feb 2026
Ownership: By Charitable Remainder Trust
Underlying class: Class A Common Stock
Underlying amount: 7,022
Exercise price: $0.000000
Footnotes: F1, F7, F8

APPF holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,471,416
Date: 02 Feb 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount
Exercise price: $0.000000
Footnotes: F7, F8

APPF holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 79,442
Date: 02 Feb 2026
Ownership: By Family Trust
Underlying class: Class A Common Stock
Underlying amount
Exercise price: $0.000000
Footnotes: F7, F8

APPF holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,382,136
Date: 02 Feb 2026
Ownership: By Pension Trust
Underlying class: Class A Common Stock
Underlying amount
Exercise price: $0.000000
Footnotes: F7, F8, F9

APPF holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 26,666
Date: 02 Feb 2026
Ownership: By IGSB Cardinal I, LLC
Underlying class: Class A Common Stock
Underlying amount
Exercise price: $0.000000
Footnotes: F7, F8, F10

APPF holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 142,858
Date: 02 Feb 2026
Ownership: By IGSB Gaucho Fund I, LLC
Underlying class: Class A Common Stock
Underlying amount
Exercise price: $0.000000
Footnotes: F7, F8, F11

APPF holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,995
Date: 02 Feb 2026
Ownership: By IGSB Cardinal Core BV, LLC
Underlying class: Class A Common Stock
Underlying amount
Exercise price: $0.000000
Footnotes: F7, F8, F12

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 12 footnotes

Footnote F1

The Reporting Person acquired these 7,022 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.

Footnote F2

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 F3

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.

Footnote F4

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 F5

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 F6

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 F7

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).

Footnote F8

(Continued from Footnote 7) 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.

Footnote F9

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.

Footnote F10

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.

Footnote F11

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.

Footnote F12

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.