X0609 4 2026-06-02 0 0001907982 D-Wave Quantum Inc. QBTS 0001453942 Markovich John M. false 2650 EAST BAYSHORE ROAD PALO ALTO CA 94303 0 1 0 0 Chief Financial Officer 0 Common Stock, par value $0.0001 per share ("Common Stock") 2026-06-02 4 S 0 2908 31 D 1439912 D Includes 447,770 shares of unvested restricted stock units. /s/ John M. Markovich 2026-06-04