Form 4 Filing for AppFolio Inc.

This filing details stock transactions by Barat Elizabeth Erin, Chief People Officer of AppFolio Inc. On May 10, 2026, Ms. Erin was involved in several transactions coded as "F", indicating the withholding of Class A Common Stock to cover minimum tax obligations. These withholdings were related to the vesting of performance-based and time-based restricted stock units (RSUs) granted on various dates between January 2023 and January 2026, under different stock incentive plans. The reported prices for these transactions were $166.59 per share. Subsequently, on May 12, 2026, Ms. Erin sold 1978 shares of Class A Common Stock under transaction code "S" at a weighted average price of $158.12 per share. This sale occurred after a series of stock withholdings for tax purposes. The total number of shares held after these transactions is 21,545.