Common Stock, $0.0001 par value

Opendoor Technologies Inc.

410 N. Scottsdale Road, Suite 1000, Tempe, AZ, 85288

The disclosure in Items 5(a), (b) and (c) is hereby amended and restated in its entirety to read as follows: (a) and (b) The responses of each of the Reporting Persons with respect to Rows 11, 12, and 13 of the cover pages of this Schedule 13D that relate to the aggregate number and percentage of Common Stock (including, but not limited to, footnotes to such information) are incorporated herein by reference. The responses of each of the Reporting Persons with respect to Rows 7, 8, 9, and 10 of the cover pages of this Schedule 13D that relate to the number of Common Stock as to which each of the persons or entities referenced in Item 2 has sole or shared power to vote or to direct the vote of and sole or shared power to dispose of or to direct the disposition of (including, but not limited to, footnotes to such information) are incorporated herein by reference. 42,650,812 shares of Common Stock are owned directly by AIL and may be deemed to be beneficially owned by AIM and Len Blavatnik because (i) AIM is the controlling entity of AIL and (ii) Len Blavatnik controls AIM and holds a majority of the outstanding voting interests in AIL. Each of the Reporting Persons (other than AIL), and each of their affiliated entities and the officers, partners, members and managers thereof, disclaims beneficial ownership of these securities. 74,102 shares of Common Stock are owned directly by LBIT and may be deemed to be beneficially owned by AIM and Len Blavatnik because (i) AIM is the controlling entity of LBIT and (ii) Len Blavatnik controls AIM and LBIT. Each of the Reporting Persons (other than LBIT), and each of their affiliated entities and the officers, partners, members and managers thereof, disclaims beneficial ownership of these securities.

On September 12, 2025, AIL sold 10,874,000 shares of Common Stock at a weighted average price of $9.1976 per share in open market transactions.1 (1) These shares were sold in multiple transactions at prices ranging from $8.7650 to $9.7650, inclusive. The Reporting Persons undertake to provide to the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within such range.