Key facts
- This page summarizes Maurice J. Duca's Form 4 filing for APPFOLIO INC (APPF).
- 24 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 24 Aug 2026, 17:58.
Maurice J. Duca - 20 Aug 2026 Form 4 Insider Report for APPFOLIO INC (APPF)
- Reporting relationship
- 10%+ Owner
- Issuer ticker
- APPF
- Reported as of
- 20 Aug 2026
- Net transaction value
- -$2,157,207
- SEC form
- 4
- Accepted by SEC
- 24 Aug 2026, 17:58:21 UTC
- Prior SEC filing
- 20 Aug 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Kimberly Shea, Attorney-in-Fact for Maurice J. Duca
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Maurice J. Duca filed Form 4 for APPFOLIO INC (APPF) on 24 Aug 2026.
Change
- Previous filing in this sequence was filed on 20 Aug 2026.
- Current net transaction value: -$2,157,207.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
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
- 24 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $38,336
- Shares
- -178
- Change %
- -1.8%
- Price
- $215.37
- Shares after
- 9,646
- Date
- 20 Aug 2026
- Ownership
- By Family Trust
- Footnotes
- F1, F2
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $42,855
- Shares
- -198
- Change %
- -2.1%
- Price
- $216.44
- Shares after
- 9,448
- Date
- 20 Aug 2026
- Ownership
- By Family Trust
- Footnotes
- F1, F3
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $98,391
- Shares
- -452
- Change %
- -4.8%
- Price
- $217.68
- Shares after
- 8,996
- Date
- 20 Aug 2026
- Ownership
- By Family Trust
- Footnotes
- F1, F4
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $120,371
- Shares
- -551
- Change %
- -6.1%
- Price
- $218.46
- Shares after
- 8,445
- Date
- 20 Aug 2026
- Ownership
- By Family Trust
- Footnotes
- F1, F5
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $43,651
- Shares
- -199
- Change %
- -2.4%
- Price
- $219.35
- Shares after
- 8,246
- Date
- 20 Aug 2026
- Ownership
- By Family Trust
- Footnotes
- F1, F6
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $4,841
- Shares
- -22
- Change %
- -0.27%
- Price
- $220.06
- Shares after
- 8,224
- Date
- 20 Aug 2026
- Ownership
- By Family Trust
- Footnotes
- F1
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $133,960
- Shares
- -622
- Change %
- -1.6%
- Price
- $215.37
- Shares after
- 38,910
- Date
- 20 Aug 2026
- Ownership
- By Pension Trust
- Footnotes
- F1, F2, F7
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $151,934
- Shares
- -702
- Change %
- -1.8%
- Price
- $216.43
- Shares after
- 38,208
- Date
- 20 Aug 2026
- Ownership
- By Pension Trust
- Footnotes
- F1, F3, F7
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $337,388
- Shares
- -1,550
- Change %
- -4.1%
- Price
- $217.67
- Shares after
- 36,658
- Date
- 20 Aug 2026
- Ownership
- By Pension Trust
- Footnotes
- F1, F4, F7
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $425,322
- Shares
- -1,947
- Change %
- -5.3%
- Price
- $218.45
- Shares after
- 34,711
- Date
- 20 Aug 2026
- Ownership
- By Pension Trust
- Footnotes
- F1, F5, F7
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $153,764
- Shares
- -701
- Change %
- -2%
- Price
- $219.35
- Shares after
- 34,010
- Date
- 20 Aug 2026
- Ownership
- By Pension Trust
- Footnotes
- F1, F6, F7
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $17,165
- Shares
- -78
- Change %
- -0.23%
- Price
- $220.06
- Shares after
- 33,932
- Date
- 20 Aug 2026
- Ownership
- By Pension Trust
- Footnotes
- F1, F7
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $1,718
- Shares
- -8
- Change %
- -0.1%
- Price
- $214.71
- Shares after
- 8,216
- Date
- 21 Aug 2026
- Ownership
- By Family Trust
- Footnotes
- F1, F8
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $3,678
- Shares
- -17
- Change %
- -0.21%
- Price
- $216.38
- Shares after
- 8,199
- Date
- 21 Aug 2026
- Ownership
- By Family Trust
- Footnotes
- F1
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $1,745
- Shares
- -8
- Change %
- -0.1%
- Price
- $218.14
- Shares after
- 8,191
- Date
- 21 Aug 2026
- Ownership
- By Family Trust
- Footnotes
- F1
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $7,749
- Shares
- -35
- Change %
- -0.43%
- Price
- $221.41
- Shares after
- 8,156
- Date
- 21 Aug 2026
- Ownership
- By Family Trust
- Footnotes
- F1, F9
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $20,907
- Shares
- -94
- Change %
- -1.2%
- Price
- $222.42
- Shares after
- 8,062
- Date
- 21 Aug 2026
- Ownership
- By Family Trust
- Footnotes
- F1, F10
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $13,897
- Shares
- -62
- Change %
- -0.77%
- Price
- $224.14
- Shares after
- 8,000
- Date
- 21 Aug 2026
- Ownership
- By Family Trust
- Footnotes
- F1, F11
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $19,755
- Shares
- -92
- Change %
- -0.27%
- Price
- $214.73
- Shares after
- 33,840
- Date
- 21 Aug 2026
- Ownership
- By Pension Trust
- Footnotes
- F1, F7, F8
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $39,598
- Shares
- -183
- Change %
- -0.54%
- Price
- $216.38
- Shares after
- 33,657
- Date
- 21 Aug 2026
- Ownership
- By Pension Trust
- Footnotes
- F1, F7
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $20,069
- Shares
- -92
- Change %
- -0.27%
- Price
- $218.14
- Shares after
- 33,565
- Date
- 21 Aug 2026
- Ownership
- By Pension Trust
- Footnotes
- F1, F7
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $80,800
- Shares
- -365
- Change %
- -1.1%
- Price
- $221.37
- Shares after
- 33,200
- Date
- 21 Aug 2026
- Ownership
- By Pension Trust
- Footnotes
- F1, F7, F9
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $223,765
- Shares
- -1,006
- Change %
- -3%
- Price
- $222.43
- Shares after
- 32,194
- Date
- 21 Aug 2026
- Ownership
- By Pension Trust
- Footnotes
- F1, F7, F10
APPF
transaction
Class A Common Stock
Sale
- Transaction value
- $155,546
- Shares
- -694
- Change %
- -2.2%
- Price
- $224.13
- Shares after
- 31,500
- Date
- 21 Aug 2026
- Ownership
- By Pension Trust
- Footnotes
- F1, F7, F11
APPF
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 31,005
- Date
- 20 Aug 2026
- Ownership
- Direct
APPF
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 26,667
- Date
- 20 Aug 2026
- Ownership
- By IGSB Cardinal I, LLC
- Footnotes
- F12
APPF
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 142,857
- Date
- 20 Aug 2026
- Ownership
- By IGSB Gaucho Fund I, LLC
- Footnotes
- F13
APPF
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 9,805
- Date
- 20 Aug 2026
- Ownership
- By IGSB Cardinal Core BV, LLC
- Footnotes
- F14
APPF
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 7,022
- Date
- 20 Aug 2026
- Ownership
- By Charitable Remainder Trust
- Footnotes
- F15
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Rule 10b5-1 trading plan
These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.
Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).
Explanation of responses 15 footnotes
Footnote F1
Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.
Footnote 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.
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.
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.
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.
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.
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.
Footnote 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.
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.
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.
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.
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.
Footnote 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.
Footnote 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.
Footnote 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.