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person · Reporting owner

DUCA MAURICE J

Disclosed activity across 1 company

Tapewire entity
20551
SEC CIK
0000938333

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
APPFOLIO INCAPPF · Entity 363810% ownerAugust 20, 2026August 24, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

APPFOLIO INC

Report date August 20, 2026 · Filed August 24, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeIndirectBy Family Trust9,646 Reported balance After 2026-08-20 transaction · row 1 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 1 · 2026-08-20 · Sale · Disposed 178 · Balance 9,646

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

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 $214.75 to $215.61, 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.

Class A Common StockSEC Table I · non-derivativeIndirectBy Family Trust9,448 Reported balance After 2026-08-20 transaction · row 2 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 2 · 2026-08-20 · Sale · Disposed 198 · Balance 9,448

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

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 $216.01 to $216.94, 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.

Class A Common StockSEC Table I · non-derivativeIndirectBy Family Trust8,996 Reported balance After 2026-08-20 transaction · row 3 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 3 · 2026-08-20 · Sale · Disposed 452 · Balance 8,996

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

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 $217.03 to $218.02, 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.

Class A Common StockSEC Table I · non-derivativeIndirectBy Family Trust8,445 Reported balance After 2026-08-20 transaction · row 4 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 4 · 2026-08-20 · Sale · Disposed 551 · Balance 8,445

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

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 $218.03 to $218.99, 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.

Class A Common StockSEC Table I · non-derivativeIndirectBy Family Trust8,246 Reported balance After 2026-08-20 transaction · row 5 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 5 · 2026-08-20 · Sale · Disposed 199 · Balance 8,246

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

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 $219.03 to $220.02, 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.

Class A Common StockSEC Table I · non-derivativeIndirectBy Family Trust8,224 Reported balance After 2026-08-20 transaction · row 6 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 6 · 2026-08-20 · Sale · Disposed 22 · Balance 8,224

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

Class A Common StockSEC Table I · non-derivativeIndirectBy Family Trust8,216 Reported balance After 2026-08-21 transaction · row 13 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 13 · 2026-08-21 · Sale · Disposed 8 · Balance 8,216

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F8: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $214.36 to $214.95, 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.

Class A Common StockSEC Table I · non-derivativeIndirectBy Family Trust8,199 Reported balance After 2026-08-21 transaction · row 14 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 14 · 2026-08-21 · Sale · Disposed 17 · Balance 8,199

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

Class A Common StockSEC Table I · non-derivativeIndirectBy Family Trust8,191 Reported balance After 2026-08-21 transaction · row 15 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 15 · 2026-08-21 · Sale · Disposed 8 · Balance 8,191

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

Class A Common StockSEC Table I · non-derivativeIndirectBy Family Trust8,156 Reported balance After 2026-08-21 transaction · row 16 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 16 · 2026-08-21 · Sale · Disposed 35 · Balance 8,156

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

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 $220.96 to $221.895, 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.

Class A Common StockSEC Table I · non-derivativeIndirectBy Family Trust8,062 Reported balance After 2026-08-21 transaction · row 17 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 17 · 2026-08-21 · Sale · Disposed 94 · Balance 8,062

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F10: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $222.09 to $223.08, 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.

Class A Common StockSEC Table I · non-derivativeIndirectBy Family Trust8,000 Reported balance After 2026-08-21 transaction · row 18 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 18 · 2026-08-21 · Sale · Disposed 62 · Balance 8,000

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F11: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $223.59 to $224.40, 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.

Class A Common StockSEC Table I · non-derivativeIndirectBy Pension Trust31,500 Last balance in matching sequence After 2026-08-21 transaction · row 24 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
12 source rows

Row 7 · 2026-08-20 · Sale · Disposed 622 · Balance 38,910

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

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 $214.75 to $215.61, 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.

F7: These shares of Class A Common Stock ("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.

Row 8 · 2026-08-20 · Sale · Disposed 702 · Balance 38,208

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

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 $216.01 to $216.94, 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.

F7: These shares of Class A Common Stock ("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.

Row 9 · 2026-08-20 · Sale · Disposed 1,550 · Balance 36,658

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

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 $217.03 to $218.02, 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.

F7: These shares of Class A Common Stock ("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.

Row 10 · 2026-08-20 · Sale · Disposed 1,947 · Balance 34,711

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

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 $218.03 to $218.99, 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.

F7: These shares of Class A Common Stock ("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.

Row 11 · 2026-08-20 · Sale · Disposed 701 · Balance 34,010

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

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 $219.03 to $220.02, 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.

F7: These shares of Class A Common Stock ("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.

Row 12 · 2026-08-20 · Sale · Disposed 78 · Balance 33,932

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F7: These shares of Class A Common Stock ("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.

Row 19 · 2026-08-21 · Sale · Disposed 92 · Balance 33,840

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F8: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $214.36 to $214.95, 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.

F7: These shares of Class A Common Stock ("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.

Row 20 · 2026-08-21 · Sale · Disposed 183 · Balance 33,657

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F7: These shares of Class A Common Stock ("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.

Row 21 · 2026-08-21 · Sale · Disposed 92 · Balance 33,565

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F7: These shares of Class A Common Stock ("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.

Row 22 · 2026-08-21 · Sale · Disposed 365 · Balance 33,200

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

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 $220.96 to $221.895, 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.

F7: These shares of Class A Common Stock ("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.

Row 23 · 2026-08-21 · Sale · Disposed 1,006 · Balance 32,194

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F10: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $222.09 to $223.08, 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.

F7: These shares of Class A Common Stock ("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.

Row 24 · 2026-08-21 · Sale · Disposed 694 · Balance 31,500

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F11: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $223.59 to $224.40, 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.

F7: These shares of Class A Common Stock ("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.

Class A Common StockSEC Table I · non-derivativeDirect31,005 Reported balance Holding disclosure · report date 2026-08-20 · row 25 Holding and transaction disclosures are not merged.
1 source row

Row 25 · Balance 31,005

Class A Common StockSEC Table I · non-derivativeIndirectBy IGSB Cardinal I, LLC26,667 Reported balance Holding disclosure · report date 2026-08-20 · row 26 Holding and transaction disclosures are not merged.
1 source row

Row 26 · Balance 26,667

F12: 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.

Class A Common StockSEC Table I · non-derivativeIndirectBy IGSB Gaucho Fund I, LLC142,857 Reported balance Holding disclosure · report date 2026-08-20 · row 27 Holding and transaction disclosures are not merged.
1 source row

Row 27 · Balance 142,857

F13: 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.

Class A Common StockSEC Table I · non-derivativeIndirectBy IGSB Cardinal Core BV, LLC9,805 Reported balance Holding disclosure · report date 2026-08-20 · row 28 Holding and transaction disclosures are not merged.
1 source row

Row 28 · Balance 9,805

F14: 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.

Class A Common StockSEC Table I · non-derivativeIndirectBy Charitable Remainder Trust7,022 Reported balance Holding disclosure · report date 2026-08-20 · row 29 Holding and transaction disclosures are not merged.
1 source row

Row 29 · Balance 7,022

F15: 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.

Filing footnotes · ownership attribution and instrument terms

F1: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

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 $214.75 to $215.61, 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.

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 $216.01 to $216.94, 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.

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 $217.03 to $218.02, 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.

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 $218.03 to $218.99, 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.

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 $219.03 to $220.02, 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.

F7: These shares of Class A Common Stock ("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.

F8: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $214.36 to $214.95, 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.

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 $220.96 to $221.895, 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.

F10: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $222.09 to $223.08, 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.

F11: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $223.59 to $224.40, 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.

F12: 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.

F13: 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.

F14: 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.

F15: 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.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 164 $198.90 $32,619.60
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 18

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Pension Trust

Disclosed balance after: 50,445

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F11 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $198.825 to $199.10, 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.

F10 · ownership.nature: These shares of Class A Common Stock ("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.

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August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 123 $197.80 $24,329.40
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 17

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Pension Trust

Disclosed balance after: 50,609

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F2 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $197.50 to $198.38, 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.

F10 · ownership.nature: These shares of Class A Common Stock ("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.

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August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 122 $205.95 $25,125.90
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 16

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 11,424

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F9 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $205.495 to $206.14, 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.

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August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 281 $204.98 $57,599.38
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 15

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 11,546

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F8 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $204.49 to $205.46, 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.

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August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 755 $203.88 $153,929.40
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 14

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 11,827

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F7 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $203.355 to $204.29, 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.

Read SEC document
August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 100 $202.77 $20,277.00
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 13

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 12,582

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F6 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $202.23 to $203.00, 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.

Read SEC document
August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 160 $201.49 $32,238.40
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 12

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 12,682

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F5 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $201.03 to $201.95, 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.

Read SEC document
August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 102 $200.29 $20,429.58
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 11

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 12,842

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F4 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $199.98 to $200.68, 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.

Read SEC document
August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 45 $198.90 $8,950.50
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 10

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 12,944

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F3 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $198.825 to $199.01, 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.

Read SEC document
August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 35 $197.81 $6,923.35
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 9

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 12,989

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F2 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $197.50 to $198.38, 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.

Read SEC document
August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 50 $205.95 $10,297.50
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 8

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,005

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F9 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $205.495 to $206.14, 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.

Read SEC document
August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 113 $204.98 $23,162.74
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 7

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,055

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F8 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $204.49 to $205.46, 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.

Read SEC document
August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 314 $203.87 $64,015.18
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 6

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,168

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F7 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $203.355 to $204.29, 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.

Read SEC document
August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 41 $202.77 $8,313.57
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 5

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,482

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F6 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $202.23 to $203.00, 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.

Read SEC document
August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 64 $201.49 $12,895.36
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 4

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,523

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F5 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $201.03 to $201.95, 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.

Read SEC document
August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 42 $200.29 $8,412.18
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 3

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,587

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F4 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $199.98 to $200.68, 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.

Read SEC document
August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 18 $198.89 $3,580.02
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 2

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,629

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F3 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $198.825 to $199.01, 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.

Read SEC document
August 18, 2026 Filed Aug 20, 2026 22:33 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 15 $197.84 $2,967.60
Disclosure

SEC source: 0000938333-26-000021 · form4-08202026_100851.xml · nonDerivative · entry 1

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,647

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F2 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $197.50 to $198.38, 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.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:07 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 52 $199.05 $10,350.60
Disclosure

SEC source: 0000938333-26-000020 · form4-08182026_110844.xml · nonDerivative · entry 6

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Pension Trust

Disclosed balance after: 50,732

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F3 · ownership.nature: These shares of Class A Common Stock ("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.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:07 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 263 $198.37 $52,171.31
Disclosure

SEC source: 0000938333-26-000020 · form4-08182026_110844.xml · nonDerivative · entry 5

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Pension Trust

Disclosed balance after: 50,784

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F7 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $197.91 to $198.77, 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.

F3 · ownership.nature: These shares of Class A Common Stock ("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.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:07 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 890 $196.98 $175,312.20
Disclosure

SEC source: 0000938333-26-000020 · form4-08182026_110844.xml · nonDerivative · entry 4

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Pension Trust

Disclosed balance after: 51,047

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F6 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $196.74 to $197.635, 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.

F3 · ownership.nature: These shares of Class A Common Stock ("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.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:07 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 1,830 $196.08 $358,826.40
Disclosure

SEC source: 0000938333-26-000020 · form4-08182026_110844.xml · nonDerivative · entry 3

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Pension Trust

Disclosed balance after: 51,937

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F5 · price: 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 $196.63, 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.

F3 · ownership.nature: These shares of Class A Common Stock ("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.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:07 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 1,886 $195.33 $368,392.38
Disclosure

SEC source: 0000938333-26-000020 · form4-08182026_110844.xml · nonDerivative · entry 2

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Pension Trust

Disclosed balance after: 53,767

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F4 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $194.73 to $195.72, 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.

F3 · ownership.nature: These shares of Class A Common Stock ("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.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:07 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 679 $194.28 $131,916.12
Disclosure

SEC source: 0000938333-26-000020 · form4-08182026_110844.xml · nonDerivative · entry 1

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Pension Trust

Disclosed balance after: 55,653

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F2 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $193.63 to $194.61, 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.

F3 · ownership.nature: These shares of Class A Common Stock ("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.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 15 $199.05 $2,985.75
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 30

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 13,024

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 74 $198.37 $14,679.38
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 29

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 13,039

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F13 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $197.91 to $198.77, 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.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 254 $196.98 $50,032.92
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 28

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 13,113

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F12 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $196.74 to $197.635, 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.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 522 $196.08 $102,353.76
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 27

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 13,367

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F11 · price: 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 $196.63, 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.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 539 $195.33 $105,282.87
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 26

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 13,889

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F10 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $194.73 to $195.72, 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.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 196 $194.28 $38,078.88
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 25

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 14,428

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F9 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $193.63 to $194.61, 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.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 33 $199.05 $6,568.65
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 24

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,662

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 163 $198.37 $32,334.31
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 23

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,695

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F13 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $197.91 to $198.77, 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.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 556 $196.98 $109,520.88
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 22

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,858

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F12 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $196.74 to $197.635, 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.

Read SEC document
August 17, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 1,141 $196.08 $223,727.28
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 21

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 32,414

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F11 · price: 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 $196.63, 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.

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August 17, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 1,182 $195.33 $230,880.06
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 20

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,555

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F10 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $194.73 to $195.72, 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.

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August 17, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 425 $194.28 $82,569.00
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 19

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 34,737

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F9 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $193.63 to $194.61, 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.

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August 14, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 52 $205.00 $10,660.00
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 18

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Pension Trust

Disclosed balance after: 56,332

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F8 · ownership.nature: These shares of Class A Common Stock ("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.

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August 14, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 1,099 $204.14 $224,349.86
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 17

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Pension Trust

Disclosed balance after: 56,384

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F6 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $203.73 to $204.49, 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.

F8 · ownership.nature: These shares of Class A Common Stock ("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.

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August 14, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 626 $203.04 $127,103.04
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 16

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Pension Trust

Disclosed balance after: 57,483

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F5 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $202.67 to $203.64, 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.

F8 · ownership.nature: These shares of Class A Common Stock ("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.

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August 14, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 1,671 $201.97 $337,491.87
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 15

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Pension Trust

Disclosed balance after: 58,109

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F4 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $201.64 to $202.56, 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.

F8 · ownership.nature: These shares of Class A Common Stock ("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.

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August 14, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 1,434 $201.17 $288,477.78
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 14

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Pension Trust

Disclosed balance after: 59,780

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F7 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $200.63 to $201.60, 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.

F8 · ownership.nature: These shares of Class A Common Stock ("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.

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August 14, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 718 $200.29 $143,808.22
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 13

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Pension Trust

Disclosed balance after: 61,214

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F2 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $199.63 to $200.62, 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.

F8 · ownership.nature: These shares of Class A Common Stock ("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.

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August 14, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 15 $205.00 $3,075.00
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 12

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 14,624

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

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August 14, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 314 $204.14 $64,099.96
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 11

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 14,639

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F6 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $203.73 to $204.49, 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.

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August 14, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 180 $203.04 $36,547.20
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 10

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 14,953

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F5 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $202.67 to $203.64, 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.

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August 14, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 479 $201.97 $96,743.63
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 9

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 15,133

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F4 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $201.64 to $202.56, 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.

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August 14, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 409 $201.18 $82,282.62
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 8

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 15,612

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F7 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $200.63 to $201.60, 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.

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August 14, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 203 $200.29 $40,658.87
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 7

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Family Trust

Disclosed balance after: 16,021

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F2 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $199.63 to $200.62, 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.

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August 14, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 33 $205.00 $6,765.00
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 6

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,162

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

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August 14, 2026 Filed Aug 18, 2026 23:06 UTC APPFOLIO INC APPF · Entity 3638 SaleClass A Common Stock 687 $204.14 $140,244.18
Disclosure

SEC source: 0000938333-26-000019 · form4-08182026_110848.xml · nonDerivative · entry 5

DUCA MAURICE J · CIK 0000938333 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,195

F1 · kind: Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.

F6 · price: This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $203.73 to $204.49, 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.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.