William Shane Trigg - 15 May 2026 Form 4 Insider Report for APPFOLIO INC (APPF)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: APPF
Reported as of: 15 May 2026
Net transaction value: -$546,573
SEC form: 4
Accepted by SEC: 19 May 2026, 17:49:21 UTC
Prior SEC filing: 12 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Evan Pickering, as Attorney-in-Fact, for William Shane Trigg

Key filing fact

William Shane Trigg filed Form 4 for APPFOLIO INC (APPF) on 19 May 2026.

Key facts

This page summarizes William Shane Trigg's Form 4 filing for APPFOLIO INC (APPF).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 19 May 2026, 17:49.

Change

Previous filing in this sequence was filed on 12 May 2026.
Current net transaction value: -$546,573.

Research use

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

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001837400 Primary reporting owner

Trigg William Shane

Relationship: Chief Executive Officer, Director
Address: 70 CASTILIAN DR, SANTA BARBARA
Signature: /s/ Evan Pickering, as Attorney-in-Fact, for William Shane Trigg
Signature date: 19 May 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: $217,812
Shares: -1,436
Change %: -1.8%
Price: $151.68
Shares after: 78,695
Date: 15 May 2026
Ownership: Direct
Footnotes: F1

APPF transaction

Class A Common Stock

Sale

Transaction value: $226,912
Shares: -1,486
Change %: -1.9%
Price: $152.70
Shares after: 77,209
Date: 15 May 2026
Ownership: Direct
Footnotes: F2

APPF transaction

Class A Common Stock

Sale

Transaction value: $101,849
Shares: -662
Change %: -0.86%
Price: $153.85
Shares after: 76,547
Date: 15 May 2026
Ownership: Direct
Footnotes: F3

^* 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 3 footnotes

Footnote F1

This transaction was executed in multiple trades with sales prices ranging from $151.31 to $152.30. 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.

Footnote F2

This transaction was executed in multiple trades with sales prices ranging from $152.32 to $153.31. 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.

Footnote F3

This transaction was executed in multiple trades with sales prices ranging from $153.50 to $154.49. 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.