OPEN · Opendoor Technologies Inc.

This sale was effected pursuant to a Rule 10b5-1 "sell to cover" election made by the Reporting Person for the sole purpose to satisfy the Reporting Person's tax withholding obligation upon the settlement of previously granted restricted stock awards. 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 $4.545 to $4.805, 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.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 instruction entered into on March 6, 2026 to cover taxes in connection with the vesting of restricted stock units.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.60 to $5.02, 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.

Represents an equal number of restricted stock unit ("RSU") award granted to the Reporting Person pursuant to the Issuer's non-employee director compensation policy and subject to time-based vesting. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs fully vest on the earlier to occur of (a) the date of the Issuer's next annual meeting of stockholders or (b) June 11, 2027, in each case subject to the Reporting Person's continued service to the Issuer as a non-employee director through the applicable vesting date. The Reporting Person has elected to defer the receipt of the shares underlying the RSUs upon vesting of the RSUs in accordance with a deferral election provided by the Issuer.

Represents an equal number of restricted stock unit ("RSU") award granted to the Reporting Person pursuant to the Issuer's non-employee director compensation policy and subject to time-based vesting. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs fully vest on the earlier to occur of (a) the date of the Issuer's next annual meeting of stockholders or (b) June 11, 2027, in each case subject to the Reporting Person's continued service to the Issuer as a non-employee director through the applicable vesting date.

Represents an equal number of restricted stock unit ("RSU") award granted to the Reporting Person pursuant to the Issuer's non-employee director compensation policy and subject to time-based vesting. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs fully vest on the earlier to occur of (a) the date of the Issuer's next annual meeting of stockholders or (b) June 11, 2027, in each case subject to the Reporting Person's continued service to the Issuer as a non-employee director through the applicable vesting date. The Reporting Person has elected to defer the receipt of the shares underlying the RSUs upon vesting of the RSUs in accordance with a deferral election provided by the Issuer.

Represents an equal number of restricted stock unit ("RSU") award granted to the Reporting Person pursuant to the Issuer's non-employee director compensation policy and subject to time-based vesting. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs fully vest on the earlier to occur of (a) the date of the Issuer's next annual meeting of stockholders or (b) June 11, 2027, in each case subject to the Reporting Person's continued service to the Issuer as a non-employee director through the applicable vesting date.

Represents an equal number of restricted stock unit ("RSU") award granted to the Reporting Person pursuant to the Issuer's non-employee director compensation policy and subject to time-based vesting. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs fully vest on the earlier to occur of (a) the date of the Issuer's next annual meeting of stockholders or (b) June 11, 2027, in each case subject to the Reporting Person's continued service to the Issuer as a non-employee director through the applicable vesting date.

The reported shares are owned by Len X, LLC, a wholly-owned subsidiary of Lennar Corporation. The Reporting Person is the President of Len X, LLC. The Reporting Person is a minority shareholder of Lennar Corporation, owning less than one percent of Lennar Corporation's outstanding shares. The Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

Represents an equal number of restricted stock unit ("RSU") award granted to the Reporting Person pursuant to the Issuer's non-employee director compensation policy and subject to time-based vesting. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs fully vest on the earlier to occur of (a) the date of the Issuer's next annual meeting of stockholders or (b) June 11, 2027, in each case subject to the Reporting Person's continued service to the Issuer as a non-employee director through the applicable vesting date.

This sale was effected pursuant to a Rule 10b5-1 "sell to cover" election made by the Reporting Person for the sole purpose to satisfy the Reporting Person's tax withholding obligation upon the settlement of previously granted restricted stock awards. 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 $4.28 to $4.40, 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.

Reflects an open market purchase of shares of the Issuer's common stock by the Reporting Person in accordance with the Issuer's Insider Trading and Trading Window Policy.

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 $4.50 to $4.71, 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.

These restricted stock units ("RSUs") were issued to the Reporting Person pursuant to the Issuer's Non-Employee Director Compensation Policy in lieu of retainer fees of $92,500.00. The RSUs vest in four substantially equal installments on the last trading day in each quarter occurring during 2026 subject to the Reporting Person's continued service to the Issuer as a non-employee director through the applicable vesting date.

These restricted stock units ("RSUs") were issued to the Reporting Person pursuant to the Issuer's Non-Employee Director Compensation Policy in lieu of retainer fees of $90,000.00. The RSUs vest in four substantially equal installments on the last trading day in each quarter occurring during 2026, subject to the Reporting Person's continued service to the Issuer as a non-employee director through the applicable vesting date.

The reported shares are owned by Len X, LLC, a wholly-owned subsidiary of Lennar Corporation. The Reporting Person is the President of Len X, LLC. The Reporting Person is a minority shareholder of Lennar Corporation, owning less than one percent of Lennar Corporation's outstanding shares. The Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

This sale was effected pursuant to a Rule 10b5-1 "sell to cover" election made by the Reporting Person for the sole purpose to satisfy the Reporting Person's tax withholding obligation upon the settlement of previously granted restricted stock awards. 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 $4.265 to $4.40 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.

These restricted stock units ("RSUs") were issued to the Reporting Person pursuant to the Issuer's Non-Employee Director Compensation Policy in lieu of retainer fees of $62,500.00. The RSUs vest in four substantially equal installments on the last trading day in each quarter occurring during 2026, subject to the Reporting Person's continued service to the Issuer as a non-employee director through the applicable vesting date.

Preliminary information about the grant was disclosed in the Current Report on Form 8-K filed by the Company with the Securities and Exchange Commission on December 15, 2025.

Represents an award of 1,695,000 restricted stock units ("RSUs") that is eligible to vest in installments, with 20% vesting on April 15, 2026, and the remainder vesting in substantially equal quarterly installments thereafter through April 15, 2030, subject to Reporting Person's continued employment through each applicable vesting date and the achievement of an average closing stock price that equals or exceeds $6.24 over a 30 day trading period preceding the applicable vesting date or any of the four quarterly vesting dates immediately following the applicable vesting date.

Preliminary information about the grant was disclosed in the Current Report on Form 8-K filed by the Company with the Securities and Exchange Commission on December 15, 2025.

Represents an award of 1,695,000 RSUs that is eligible to vest in seven equal tranches, with each tranche subject to a performance-based vesting condition that requires achievement of an average closing stock price hurdle (equal to $9, $13, $17, $21, $25, $29 and $33), as measured over a 30 trading day period that commences on April 15, 2026 and ends on October 15, 2030, as well as satisfying applicable time-based vesting conditions.

Preliminary information about the grant was disclosed in the Current Report on From 8-K filed by the Company with the Securities and Exchange Commission on December 15, 2025.

Represents an award of 854,153 RSUs that is eligible to vest in seven equal tranches, with each tranche subject to a performance-based vesting condition that requires achievement of an average closing stock price hurdle (equal to $9, $13, $17, $21, $25, $29 and $33), as measured over a 30 trading day period that commences on April 15, 2026 and ends on October 15, 2030, as well as satisfying applicable time-based vesting conditions.

Preliminary information about the grant was disclosed in the Current Report on From 8-K filed by the Company with the Securities and Exchange Commission on December 15, 2025.

Represents an award of 854,153 restricted stock units ("RSUs") that is eligible to vest in installments, with 20% vesting on April 15, 2026, and the remainder vesting in substantially equal quarterly installments thereafter, subject to the Reporting Person's continued employment through each applicable vesting date and the achievement of an average closing stock price that equals or exceeds $6.24 over a 30 trading day period preceding the applicable vesting date or any of the four quarterly vesting dates immediately following the applicable vesting date, with the award becoming fully vested on April 15, 2030.

Represents an award of 4,100,000 RSUs that is eligible to vest in seven equal tranches over a period of five years, with each tranche subject to a performance based vesting condition that requires achievement of an average closing stock price hurdle (equal to $9, $13, $17, $21, $25, $29 and $33), as measured over a 30 trading day period that commences on April 15, 2026 and ends on October 15, 2030, as well as satisfying applicable time based vesting conditions.

Represents an award of 500,000 restricted stock units ("RSUs") that is eligible to vest in installments over a period of five years, with 20% vesting April 15, 2026 and the remainder vesting in substantially equal quarterly installments thereafter, subject to Reporting Person's continues employment through the applicable vesting date.

Represents an award of 3,600,000 RSUs that is eligible to vest in installments over a period of five years, with 20% vesting on April 15, 2026, the remainder vesting in substantially equal quarterly installments thereafter, subject to the Reporting Person's continued employment through each vesting date and the achievement of an average closing stock price that equals or exceeds $6.24 over a 30 trading day period preceding the applicable vesting date or any of the four quarterly vesting dates immediately following the applicable vesting date.

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.

Preliminary information about the grant was disclosed in the Current Report on Form 8-K filed by the Company with the Securities and Exchange Commission on September 19, 2025.

Represents an award of 400,641 restricted stock units ("RSUs") subject to time-based vesting. Each RSU represents a contingent right to receive one share of the Issuer's common stock. One-third of the total number of RSUs will vest on November 15, 2025, one-third of the total number of RSUs will vest on February 15, 2026, and one-third of the total number of RSUs will vest on May 15, 2026.

Reflects an open market purchase of shares of the Issuer's common stock by the Reporting Person in accordance with the Issuer's Insider Trading and Trading Window Policy.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.97 to $8.08, 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 purchased at each separate price at which the transactions were effected.

Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of certain restricted stock units that were previously reported in Table I.

The Reporting Person purchased the shares pursuant to a Stock Purchase Agreement by and between the Issuer and the Reporting Person in an offering exempt from registration under Section 4(a)(2) of the Securities Act of 1933, as amended, and Regulation D thereunder. The shares are restricted securities subject to transfer restrictions until such time that they are registered pursuant to a registration statement or become eligible for resale otherwise.

Preliminary information about the three inducement grants was disclosed in the Current Report on Form 8-K filed by the Company with the Securities and Exchange Commission on September 11, 2025.

Represents an award of 1,580,611 restricted stock units that is scheduled to vest in full on June 15, 2026.

Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of certain restricted stock units that were previously reported in Table I.

Preliminary information about the three inducement grants was disclosed in the Current Report on Form 8-K filed by the Company with the Securities and Exchange Commission on September 11, 2025.

Represents an award of 40,886,344 restricted stock units that is eligible to vest in seven equal tranches over a period of five years, with each tranche subject to a performance-based vesting condition that requires achievement of an average closing stock price hurdle (equal to $9, $13, $17, $21, $25, $29 and $33), as measured over a 60 trading day period that begins no earlier than September 15, 2026. In addition, each tranche is subject to a time-based vesting condition whereby the first tranche will vest on September 15, 2026, the second and third tranches will vest quarterly over the second and third years following the grant date, respectively, the fourth and fifth tranches will vest quarterly over the fourth year following the grant date, and the sixth and seventh tranches will vest quarterly over the fifth year following the grant date.

Preliminary information about the three inducement grants was disclosed in the Current Report on Form 8-K filed by the Company with the Securities and Exchange Commission on September 11, 2025.

Represents an award of 40,886,344 restricted stock units that is eligible to vest in installments over a period of five years, with 20% vesting on September 15, 2026, and the remainder vesting in quarterly installments thereafter, subject to the achievement of an average closing stock price that equals or exceeds $6.24 over the 60 trading day period preceding the applicable vesting date or any of the four quarterly vesting dates immediately following the applicable vesting date.

The Reporting Person purchased the shares pursuant to a Stock Purchase Agreement by and between the Issuer and the Reporting Person in an offering exempt from registration under Section 4(a)(2) of the Securities Act of 1933, as amended, and Regulation D thereunder. The shares are restricted securities subject to transfer restrictions until such time that they are registered pursuant to a registration statement or become eligible for resale otherwise.

Reflects an open market purchase of shares of the Issuer's common stock by the Reporting Person in accordance with the Issuer's Insider Trading and Trading Window Policy.

Reflects an open market purchase of shares of the Issuer's common stock by the Reporting Person in accordance with the Issuer's Insider Trading and Trading Window Policy.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2024.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.00 to $4.00, 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.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2024.

This sale was effected pursuant to a Rule 10b5-1 "sell to cover" election made by the Reporting Person for the sole purpose to satisfy the Reporting Person's tax withholding obligation upon the settlement of previously granted restricted stock awards. 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 $0.9521 to $1.06, 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.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2024.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.5536 to $0.5537, 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.

This sale was effected pursuant to a Rule 10b5-1 "sell to cover" election made by the Reporting Person for the sole purpose to satisfy the Reporting Person's tax withholding obligation upon the settlement of previously granted restricted stock awards. 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 $0.5479 to $0.578, 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.

This sale was effected pursuant to a Rule 10b5-1 "sell to cover" election made by the Reporting Person for the sole purpose to satisfy the Reporting Person's tax withholding obligation upon the settlement of previously granted restricted stock awards. 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 $0.5479 to $0.578, 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.

Represents an equal number of restricted stock unit ("RSU") award granted to the Reporting Person pursuant to the Issuer's non-employee director compensation policy and subject to time-based vesting. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs fully vest on the earlier to occur of (a) the date of the Issuer's next annual meeting of stockholders or (b) June 13, 2026, in each case subject to the Reporting Person's continued service to the Issuer as a non-employee director through the applicable vesting date.

Represents an equal number of restricted stock unit ("RSU") award granted to the Reporting Person pursuant to the Issuer's non-employee director compensation policy and subject to time-based vesting. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs fully vest on the earlier to occur of (a) the date of the Issuer's next annual meeting of stockholders or (b) June 13, 2026, in each case subject to the Reporting Person's continued service to the Issuer as a non-employee director through the applicable vesting date.

Gives effect to the transfer of 132,133 shares to Notable Capital Management, L.L.C. ("Notable Capital") for no consideration subsequent to the Reporting Person's most recent filing, which shares were previously held for the benefit of Notable Capital.

Such shares are held for the benefit of Notable Capital. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of his proportionate pecuniary interest therein.

Represents an equal number of restricted stock unit ("RSU") award granted to the Reporting Person pursuant to the Issuer's non-employee director compensation policy and subject to time-based vesting. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs fully vest on the earlier to occur of (a) the date of the Issuer's next annual meeting of stockholders or (b) June 13, 2026, in each case subject to the Reporting Person's continued service to the Issuer as a non-employee director through the applicable vesting date.

Represents an equal number of restricted stock unit ("RSU") award granted to the Reporting Person pursuant to the Issuer's non-employee director compensation policy and subject to time-based vesting. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs fully vest on the earlier to occur of (a) the date of the Issuer's next annual meeting of stockholders or (b) June 13, 2026, in each case subject to the Reporting Person's continued service to the Issuer as a non-employee director through the applicable vesting date.

The reported shares are owned by Len X, LLC, a wholly-owned subsidiary of Lennar Corporation. The Reporting Person is the President of Len X, LLC. The Reporting Person is a minority shareholder of Lennar Corporation, owning less than one percent of Lennar Corporation's outstanding shares. The Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

Represents an equal number of restricted stock unit ("RSU") award granted to the Reporting Person pursuant to the Issuer's non-employee director compensation policy and subject to time-based vesting. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs fully vest on the earlier to occur of (a) the date of the Issuer's next annual meeting of stockholders or (b) June 13, 2026, in each case subject to the Reporting Person's continued service to the Issuer as a non-employee director through the applicable vesting date.

Represents an equal number of restricted stock unit ("RSU") award granted to the Reporting Person pursuant to the Issuer's non-employee director compensation policy and subject to time-based vesting. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs fully vest on the earlier to occur of (a) the date of the Issuer's next annual meeting of stockholders or (b) June 13, 2026, in each case subject to the Reporting Person's continued service to the Issuer as a non-employee director through the applicable vesting date.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2024.

Includes 5,000 shares acquired pursuant to the Issuer's Employee Stock Purchase Plan on February 28, 2025.