# EDGAR Filing Document

**Accession Number:** 0001433195
**File Stem:** 0001837400-25-000007
**Filing Date:** 2025-11
**Character Count:** 9827
**Document Hash:** 83dfa985aae29f9b6beba84524997a3b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001837400-25-000007.hdr.sgml**: 20251119

**ACCESSION NUMBER**: 0001837400-25-000007

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251117

**FILED AS OF DATE**: 20251119

**DATE AS OF CHANGE**: 20251119

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Trigg William Shane
- **CENTRAL INDEX KEY:** 0001837400

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37468
- **FILM NUMBER:** 251499915

**MAIL ADDRESS:**
- **STREET 1:** 50 CASTILIAN DRIVE
- **CITY:** GOLETA
- **STATE:** CA
- **ZIP:** 93117
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** APPFOLIO INC
- **CENTRAL INDEX KEY:** 0001433195
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-PREPACKAGED SOFTWARE [7372]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 260359894
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 70 CASTILIAN DRIVE
- **CITY:** SANTA BARBARA
- **STATE:** CA
- **ZIP:** 93117
- **BUSINESS PHONE:** 8053646047

**MAIL ADDRESS:**
- **STREET 1:** 70 CASTILIAN DRIVE
- **CITY:** SANTA BARBARA
- **STATE:** CA
- **ZIP:** 93117

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>Trigg William Shane<br><sub>(Last) (First) (Middle)</sub><br>70 CASTILIAN DR<br><sub>(Street)</sub><br>SANTA BARBARA, CA 93117<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-11-17 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chief Executive Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>APPFOLIO INC [ APPF ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A Common Stock | 2025-11-17 |  | S |  | 440<sup>(1)</sup> | D | 237.31<sup>(2)</sup> | 55037 | D |  |
| Class A Common Stock | 2025-11-17 |  | S |  | 711<sup>(1)</sup> | D | 238.32<sup>(3)</sup> | 54326 | D |  |
| Class A Common Stock | 2025-11-17 |  | S |  | 553<sup>(1)</sup> | D | 239.42<sup>(4)</sup> | 53773 | D |  |
| Class A Common Stock | 2025-11-17 |  | S |  | 894<sup>(1)</sup> | D | 240.49<sup>(5)</sup> | 52879 | D |  |
| Class A Common Stock | 2025-11-17 |  | S |  | 600<sup>(1)</sup> | D | 241.65<sup>(6)</sup> | 52279 | D |  |
| Class A Common Stock | 2025-11-17 |  | S |  | 280<sup>(1)</sup> | D | 242.54<sup>(7)</sup> | 51999 | D |  |
| Class A Common Stock | 2025-11-17 |  | S |  | 240<sup>(1)</sup> | D | 243.63<sup>(8)</sup> | 51759 | D |  |
| Class A Common Stock | 2025-11-17 |  | S |  | 80<sup>(1)</sup> | D | 244.56<sup>(9)</sup> | 51679 | D |  |
| Class A Common Stock | 2025-11-17 |  | S |  | 149<sup>(1)</sup> | D | 247.35<sup>(10)</sup> | 51530 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) These shares were sold pursuant to a Rule 10b5-1 Plan adopted by Reporting Person on or around August 14, 2025.

(2) This transaction was executed in multiple trades with sales prices ranging from $236.75 to $237.68. The price reported above reflects the weighted average sales price for the cumulative trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer information regarding the individual trades.

(3) This transaction was executed in multiple trades with sales prices ranging from $237.96 to $238.71. The price reported above reflects the weighted average sales price for the cumulative trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer information regarding the individual trades.

(4) This transaction was executed in multiple trades with sales prices ranging from $239.01 to $239.98. The price reported above reflects the weighted average sales price for the cumulative trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer information regarding the individual trades.

(5) This transaction was executed in multiple trades with sales prices ranging from $240.04 to $240.99. The price reported above reflects the weighted average sales price for the cumulative trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer information regarding the individual trades.

(6) This transaction was executed in multiple trades with sales prices ranging from $241.17 to $242.16. The price reported above reflects the weighted average sales price for the cumulative trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer information regarding the individual trades.

(7) This transaction was executed in multiple trades with sales prices ranging from $242.17 to $243.15. The price reported above reflects the weighted average sales price for the cumulative trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer information regarding the individual trades.

(8) This transaction was executed in multiple trades with sales prices ranging from $243.31 to $243.85. The price reported above reflects the weighted average sales price for the cumulative trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer information regarding the individual trades.

(9) This transaction was executed in multiple trades with sales prices ranging from $244.40 to $244.81. The price reported above reflects the weighted average sales price for the cumulative trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer information regarding the individual trades.

(10) This transaction was executed in multiple trades with sales prices ranging from $247.31 to $247.37. The price reported above reflects the weighted average sales price for the cumulative trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer information regarding the individual trades.

**Signature:** /s/ Evan Pickering, as Attorney-in-Fact, for William Shane Trigg  
**Date:** 2025-11-19

### Remarks:

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.**