X0609 4 2026-09-15 0 0001801169 Opendoor Technologies Inc. OPEN 0001957238 Schwartz Christina false 1295 WEST WASHINGTON STREET, SUITE 115 TEMPE AZ 85288 0 1 0 0 Chief Financial Officer 0 Common Stock 2026-09-15 4 M 0 59658 0.97 A 3829524 D Common Stock 2026-09-15 4 F 0 42242 2.65 D 3787282 D Employee Stock Option 0.97 2026-09-15 4 M 0 59658 0 D 2026-09-27 Common Stock 59658 0 D The Reporting Person exercised stock options and used a portion of the shares to pay the option exercise price and cover tax withholding obligations via a net exercise by electing to have the Issuer withhold shares otherwise deliverable after the stock option exercise. The Reporting Person retained all of the remaining shares. Represents the number of shares withheld by the Issuer to satisfy the exercise price and tax withholding obligations in connection with the net settlement of the stock options. This does not represent a discretionary trade by the Reporting Person. The option is fully vested. /s/ Rishi Kotiya, Attorney-in-fact 2026-09-16