D-Wave Quantum (QBTS)

=== SEC Form 3 — Statement of Changes in Beneficial Ownership === Document Type: 3 Period of Report: 2026-04-02 --- Issuer --- Name: D-Wave Quantum Inc. (QBTS) CIK: 0001907982 --- Reporting Owner --- Name: AMES SOPHIE C CIK: 0002129321 Role: Officer (Exec. Vice President & CHRO) --- Holdings --- [Holding #1] Security: Common Stock, par value $0.0001 per share ("Common Stock") Ownership: D (Direct) Footnotes: [F1] Includes 639,179 unvested restricted stock units ("RSUs"), each RSU representing the right to receive one share of Common Stock of the Issuer. Subject to the Reporting Person's continued service to the Issuer, (i) 515,625 of such RSUs will vest in equal quarterly installments from April 28, 2026 through October 28, 2028, (ii) 75,000 of such RSUs will vest in equal quarterly installments from June 18, 2026 through March 18, 2029, and (iii) 48,554 of such RSUs will vest in equal quarterly installments from June 9, 2026 through March 9, 2030. --- Footnotes (Complete Index) --- F1: Includes 639,179 unvested restricted stock units ("RSUs"), each RSU representing the right to receive one share of Common Stock of the Issuer. Subject to the Reporting Person's continued service to the Issuer, (i) 515,625 of such RSUs will vest in equal quarterly installments from April 28, 2026 through October 28, 2028, (ii) 75,000 of such RSUs will vest in equal quarterly installments from June 18, 2026 through March 18, 2029, and (iii) 48,554 of such RSUs will vest in equal quarterly installments from June 9, 2026 through March 9, 2030. --- Signature --- /s/ /s/ Sophie C. Ames (2026-04-13)