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AppFolio: Duca and trusts sell 10,800 shares

As of November 4, 2026, IGSB Gaucho Fund I, LLC owned 142,857 Class A shares.

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Form Type
4

Rhea-AI Filing Summary

AppFolio, Inc. reported 10,800 Class A shares sold on November 4 and 5, 2026: ten percent owner Maurice J. Duca sold shares directly, and shares were also sold through a Family Trust and a pension trust. The six entries list weighted-average sale prices from $240.00 to $240.15 per share. The sales were made under a Rule 10b5-1 trading plan adopted March 13, 2026.

Insider DUCA MAURICE J
Role 10% Owner
Sold 10,800 shs ($2.59M)
Share of Position Sold 15.3%
Type Security Shares Price Value
Sale Class A Common Stock F1, F5 1,600 $240.14 $384K
Sale Class A Common Stock F1 1,600 $240.00 $384K
Sale Class A Common Stock F1, F6, F4 1,600 $240.15 $384K
Sale Class A Common Stock F1, F2 2,200 $240.12 $528K
Sale Class A Common Stock F1 1,600 $240.00 $384K
Sale Class A Common Stock F1, F3, F4 2,200 $240.08 $528K
Holding Class A Common Stock F7 -- -- --
Holding Class A Common Stock F8 -- -- --
Holding Class A Common Stock F9 -- -- --
Holding Class A Common Stock F10 -- -- --
Holdings After Transaction: Class A Common Stock — 27,205 shares (Direct); Class A Common Stock — 4,800 shares (Indirect, By Family Trust); Class A Common Stock — 27,700 shares (Indirect, By Pension Trust); Class A Common Stock — 26,667 shares (Indirect, By IGSB Cardinal I, LLC); Class A Common Stock — 142,857 shares (Indirect, By IGSB Gaucho Fund I, LLC); Class A Common Stock — 9,805 shares (Indirect, By IGSB Cardinal Core BV, LLC); Class A Common Stock — 7,022 shares (Indirect, By Charitable Remainder Trust)
Holdings Before and After: Class A Common Stock, 31,005 to 27,205 shares (Direct); Class A Common Stock, 8,000 to 4,800 shares (Indirect, By Family Trust); Class A Common Stock, 31,500 to 27,700 shares (Indirect, By Pension Trust)
Footnotes (10)
  1. F1. Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.
  2. 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 $240.00 to $240.92, 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.
  3. 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 $240.00 to $240.56, 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.
  4. F4. 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.
  5. 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 $240.00 to $240.59, 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.
  6. 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 $240.00 to $240.85, 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.
  7. F7. 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.
  8. F8. 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.
  9. F9. 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.
  10. F10. 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.
Class A shares sold 10,800 shares Total across six reported sale entries on November 4 and 5, 2026
Direct Class A sale 1,600 shares at $240.14 per share November 5, 2026; weighted-average price
Family Trust Class A sale 1,600 shares at $240.00 per share November 5, 2026; weighted-average price
Pension trust Class A sale 1,600 shares at $240.15 per share November 5, 2026; weighted-average price
Direct Class A sale 2,200 shares at $240.12 per share November 4, 2026; weighted-average price
Family Trust Class A sale 1,600 shares at $240.00 per share November 4, 2026; weighted-average price
Pension trust Class A sale 2,200 shares at $240.08 per share November 4, 2026; weighted-average price
10b5-1 trading plan regulatory
"Sales made pursuant to a 10b5-1 trading plan"
A 10b5-1 trading plan is a pre-arranged strategy that allows company insiders to buy or sell company stock at set times, regardless of their current knowledge about the company's situation. It acts like a scheduled appointment for trading, helping prevent the appearance of impropriety or insider trading. This plan provides a way for insiders to sell or buy shares in a controlled, transparent manner, offering reassurance to investors about fair trading practices.
weighted average price financial
"This price reflects the weighted average price"
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
sole voting and sole dispositive power regulatory
"possesses sole voting and sole dispositive power"
pecuniary interest regulatory
"does not possess any pecuniary interest"

FAQ

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How many APPF shares did Maurice J. Duca and the trusts sell?

They sold 10,800 Class A shares across six entries. On November 4, 2026, the sales were 2,200 direct at a $240.12 weighted-average price, 1,600 through the Family Trust at $240.00, and 2,200 through the pension trust at $240.08. On November 5, direct, Family Trust, and pension trust sales were each 1,600 shares, at $240.14, $240.00, and $240.15, respectively; each price is a weighted average.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
DUCA MAURICE J

(Last)(First)(Middle)
C/O IGSB, INC.
1485 E. VALLEY ROAD, SUITE H

(Street)
SANTA BARBARA CALIFORNIA 93108

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
APPFOLIO INC [ APPF ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
DirectorX10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
11/04/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Class A Common Stock11/04/2026S(1)2,200D$240.12(2)28,805D
Class A Common Stock11/04/2026S(1)1,600D$2406,400IBy Family Trust
Class A Common Stock11/04/2026S(1)2,200D$240.08(3)29,300IBy Pension Trust(4)
Class A Common Stock11/05/2026S(1)1,600D$240.14(5)27,205D
Class A Common Stock11/05/2026S(1)1,600D$2404,800IBy Family Trust
Class A Common Stock11/05/2026S(1)1,600D$240.15(6)27,700IBy Pension Trust(4)
Class A Common Stock26,667IBy IGSB Cardinal I, LLC(7)
Class A Common Stock142,857IBy IGSB Gaucho Fund I, LLC(8)
Class A Common Stock9,805IBy IGSB Cardinal Core BV, LLC(9)
Class A Common Stock7,022IBy Charitable Remainder Trust(10)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Sales made pursuant to a 10b5-1 trading plan previously adopted by the Reporting Person on March 13, 2026.
2. This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $240.00 to $240.92, 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.
3. This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $240.00 to $240.56, 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.
4. 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.
5. This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $240.00 to $240.59, 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.
6. This price reflects the weighted average price at which these shares were sold. The shares were sold in multiple transactions at prices ranging from $240.00 to $240.85, 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.
7. 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.
8. 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.
9. 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.
10. 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.
/s/ Kimberly Shea, Attorney-in-Fact for Maurice J. Duca11/06/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

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