X0609 4 2026-05-10 0 0001433195 APPFOLIO INC APPF 0001837400 Trigg William Shane false 70 CASTILIAN DR SANTA BARBARA CA 93117 1 1 0 0 Chief Executive Officer 0 Class A Common Stock 2026-05-10 4 F 0 599 166.59 D 83251 D Class A Common Stock 2026-05-10 4 F 0 538 166.59 D 82713 D Class A Common Stock 2026-05-10 4 F 0 985 166.59 D 81728 D Class A Common Stock 2026-05-10 4 F 0 203 166.59 D 81525 D Class A Common Stock 2026-05-10 4 F 0 220 166.59 D 81305 D Class A Common Stock 2026-05-10 4 F 0 378 166.59 D 80927 D Class A Common Stock 2026-05-10 4 F 0 796 166.59 D 80131 D 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 May 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. 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 May 10, 2026 of the PSUs previously granted to the Reporting Person on January 24, 2024 pursuant to the Issuer's 2015 Stock Incentive Plan. 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 May 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. 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 May 10, 2026 of the RSUs previously granted to the Reporting Person on January 29, 2025 pursuant to the Issuer's 2025 Omnibus Plan. 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 May 10, 2026 of the RSUs previously granted to the Reporting Person on January 24, 2024 pursuant to the Issuer's 2015 Stock Incentive Plan. 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 May 10, 2026 of the RSUs previously granted to the Reporting Person on March 1, 2023 pursuant to the Issuer's 2015 Stock Incentive Plan. 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 May 10, 2026 of the RSUs previously granted to the Reporting Person on January 24, 2023 pursuant to the Issuer's 2015 Stock Incentive Plan. /s/ Evan Pickering, as Attorney-in-Fact, for William Shane Trigg 2026-05-12