D-Wave Quantum (QBTS)

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On September 18, 2026, the Board of Directors (the Board ) of D-Wave Quantum Inc. (the Company ) appointed Bernard Gavgani as an independent Class II director, effective as of September 18, 2026, to hold office until the Company's 2027 Annual Meeting of Stockholders or until his successor is duly elected and qualified. Mr. Gavgani will serve on the Cybersecurity Committee of the Board and will be compensated on the same basis as all other non-employee directors of the Company, as described under the heading Director Compensation in the Company s Proxy Statement for its 2026 Annual Meeting of Stockholders. Mr. Gavgani, age 67, currently serves as Senior Advisor for Technology and Innovation to BNP Paribas Group Executive Management. From October 2018 to June 2025, he served as Group Chief Information Officer (CIO) of BNP Paribas. He joins the Board in a personal capacity and brings deep experience in global technology strategy, operational transformation, artificial intelligence governance, cybersecurity, and workplace and network modernization. From 2009 to 2018, Mr. Gavgani served as Chief Operating Officer for Information Technology and Operations within BNP Paribas Corporate and Institutional Banking. Earlier in his career at BNP Paribas, he held senior leadership positions across capital markets, equity derivatives, technology, operations, and the bank s General Inspection function. Mr. Gavgani completed the Advanced Certificate for Executives at the MIT Sloan School of Management, and holds an Executive MBA from HEC Paris. There are no transactions between Mr. Gavgani and the Company that would be reportable under Item 404(a) of Regulation S K. There are no arrangements or understandings between Mr. Gavgani and any other persons pursuant to which Mr. Gavgani was selected as a director, and Mr. Gavgani has no family relationships with any of the Company s directors or executive officers. A copy of the press release announcing Mr. Gavgani's appointment as a director of the Company is attached as Exhibit 99.1 to this Current Report on Form 8-K, and incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits . (d) Exhibits Exhibit No. Description 99.1 Press release, dated September 21, 2026. 104 Cover Page Interactive Data File (embedded within the Inline XBRL document). SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Date: September 21, 2026 D-Wave Quantum Inc. By: /s/ Alan Baratz Name: Alan Baratz Title: President & Chief Executive Officer