Sec Form 4 Filing - Solomon Glenn @ Opendoor Technologies Inc. - 2025-06-13

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Solomon Glenn 2. Issuer Name and Ticker or Trading Symbol Opendoor Technologies Inc. [ OPEN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 410 N. SCOTTSDALE ROAD, SUITE 1000 3. Date of Earliest Transaction (MM/DD/YY) 06/13/2025 (Street) TEMPE, AZ85288 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 06/13/2025 A 100,000 ( 1 ) A $ 0 220,911 ( 2 ) D ( 3 ) Common Stock 633,705 ( 4 ) I By Trust ( 5 ) Common Stock 79,205 I By GGV Capital LLC ( 6 ) Common Stock 15,029 ( 7 ) I By GGV Capital V L.L.C. ( 8 ) Common Stock 132,133 ( 2 ) I By Notable Capital Management, L.L.C. ( 9 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Solomon Glenn 410 N. SCOTTSDALE ROAD, SUITE 1000 TEMPE, AZ85288 X Signatures /s/ Carrie Wheeler, Attorney-in-fact 06/17/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )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. ( 2 )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. ( 3 )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. ( 4 )Gives effect to the receipt of shares from the transfer described in footnote 6. ( 5 )The shares are held of record by a family trust, as a trustee, the Reporting Person may be deemed to have voting and dispositive power over these shares. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his proportionate pecuniary interest therein. ( 6 )The shares are held of record by GGV Capital. As a managing member of GGV Capital, the Reporting Person may be deemed to have voting and dispositive power over the shares held by GGV Capital. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of his proportionate pecuniary interest therein. ( 7 )Gives effect to the pro rata distribution of shares by GGV Capital V L.L.C. ("GGV V LLC") to its members for no consideration subsequent to the Reporting Person's most recent filing, which represented a change in the form of the Reporting Person's ownership that was not required to be reported under Section 16. ( 8 )The shares are held of record by GGV V LLC. As a managing member of GGV V LLC, the Reporting Person may be deemed to have voting and dispositive power over the shares held by GGV V LLC. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of his proportionate pecuniary interest therein. ( 9 )The shares are held of record by Notable Capital. As a managing member of Notable Capital, the Reporting Person may be deemed to have voting and dispositive power over the shares held by Notable Capital. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of his proportionate pecuniary interest therein.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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