144/A 0001968582-25-000730 0001453942 XXXXXXXX LIVE 0001907982 D-Wave Quantum Inc. 001-41468 2650 East Bayshore Road Palo Alto CA 94303 6046301428 John Markovich Affiliate Common Stock J.P. Morgan Securities LLC

575 Washington Blvd Floor 9 Jersey City NJ 07310-1616

300000 5700000.00 338610000 08/12/2025 NYSE Common Stock 08/12/2025 Stock Option Exercise D-Wave Quantum Inc. (Issuer) N 300000 08/13/2025 Cash N John Markovich

c/o D-Wave Quantum Inc. 2650 Bayshore Road Palo Alto CA 94303

Common Stock 05/21/2025 400000 6920000.00 This Form 144 Amended filing is being filed with the correct Securities Information, replacing the Securities Information submitted in the original Form 144 filing earlier today. 08/12/2025 J.P. Morgan Securities LLC , Workplace Solutions, as agent and attorney-in-fact for John Markovich , D Wave Systems