X0508 4 2025-11-17 0 0001801169 Opendoor Technologies Inc. OPEN 0001957238 Schwartz Christina 410 N. SCOTTSDALE ROAD, SUITE 1000 TEMPE AZ 85288 0 1 0 0 See Remarks 0 Common Stock 2025-11-17 4 S 0 73951 7.8966 D 528462 D The sale was effected pursuant to a mandatory sell-to-cover taxes program in connection with the vesting of restricted stock units implemented by the compensation committee of the board of directors of the Issuer. This sale does not represent a discretionary trade by the Reporting Person. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.68 to $8.13, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected. Officer Title: Interim Chief Financial Officer /s/ Christina Schwartz 2025-11-18