Appfolio Inc (APPF) Form 4 Filed by William Shane Trigg, Aug 12, 2026

SEC Form 4 · No Market Transaction
Tax Withholding

Shares withheld for tax obligations.

Reporting Owner
William Shane Trigg
CEO
TXN 2026-08-10 · FILED 2026-08-12
Equity Position 72.8K sh 76,547 → 72,829
Equity Change -4.9% shares held after vs before
Filing Lag 2 business days within 2-day SEC deadline
Form 4 · Statement of Changes in Beneficial Ownership

Appfolio Inc

APPF CIK 0001433195
All Appfolio Inc insider activity
Filing Date
2026-08-12
Report Date
2026-08-12
Accession No.
0001837400-26-000012
Accepted At
2026-08-12 21:43 UTC
Reporting Owner
Name Relationship
William Shane Trigg CIK 0001837400
Director CEO
William Shane Trigg at Appfolio Inc Full insider history
Bought (12 mo) —
Sold (12 mo) $3,099,168
More from this insider at Appfolio Inc
2026-08-17 Sell -$421,685 View
2026-05-19 Sell -$546,573 View
2026-05-12 - — View
2026-04-13 Award — View
2026-02-19 Sell -$1,181,858 View
All filings by this insider at Appfolio Inc
Non-Derivative Securities Transactions
Title Date Type Shares Price Net Total Post-Txn Ownership
Class A Common StockF1 2026-08-10 F - Tax Payment 599 D $199.54 -$119,524 75,948 Direct
Class A Common StockF2 2026-08-10 F - Tax Payment 539 D $199.54 -$107,552 75,409 Direct
Class A Common StockF3 2026-08-10 F - Tax Payment 984 D $199.54 -$196,347 74,425 Direct
Class A Common StockF4 2026-08-10 F - Tax Payment 202 D $199.54 -$40,307 74,223 Direct
Class A Common StockF5 2026-08-10 F - Tax Payment 219 D $199.54 -$43,699 74,004 Direct
Class A Common StockF6 2026-08-10 F - Tax Payment 378 D $199.54 -$75,426 73,626 Direct
Class A Common StockF7 2026-08-10 F - Tax Payment 797 D $199.54 -$159,033 72,829 Direct
Footnotes (7)
F1
Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the performance-based restricted stock units ("PSUs") previously granted to the Reporting Person on January 29, 2025 pursuant to the Issuer's 2025 Omnibus Incentive Plan. Show more
F2
Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the PSUs previously granted to the Reporting Person on January 24, 2024 pursuant to the Issuer's 2015 Stock Incentive Plan. Show more
F3
Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the time-based restricted stock units ("RSUs") previously granted to the Reporting Person on April 9, 2026 pursuant to the Issuer's 2025 Omnibus Plan. Show more
F4
Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the RSUs previously granted to the Reporting Person on January 29, 2025 pursuant to the Issuer's 2025 Omnibus Plan. Show more
F5
Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the RSUs previously granted to the Reporting Person on January 24, 2024 pursuant to the Issuer's 2015 Stock Incentive Plan. Show more
F6
Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the RSUs previously granted to the Reporting Person on March 1, 2023 pursuant to the Issuer's 2015 Stock Incentive Plan. Show more
F7
Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the RSUs previously granted to the Reporting Person on January 24, 2023 pursuant to the Issuer's 2015 Stock Incentive Plan. Show more

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Institutional Holders
13F holders · Jun 30, 2026 393 institutional managers reporting a position
Largest by reported value
  1. Black Rock, Inc. $424M
  2. Principal Financial Group, Inc $257M
  3. Vanguard Portfolio Management Llc $239M
5%+ Holders · 13D/G 6 filers

Latest Schedule 13D/G per filer; stakes the filer reported closed are left out.

Other insiders at Appfolio Inc
All Appfolio Inc insider activity
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