144 0002013580 XXXXXXXX LIVE 0001824920 IonQ, Inc. 001-39694 4505 Campus Drive College Park MD 20740 301-298-7997 Cardillo Robert T. Director Executive Chair, IonQ Federal Common Stock E-TRADE Financial Corporation

PO Box 484 Jersey City NJ 07303-0484

3540 111935 366640756 02/27/2026 NYSE Common Stock 02/26/2026 Vesting of Restricted Stock Units - See Remarks Issuer N 3540 02/26/2026 Equity Compensation Y Shares sold to cover tax withholding obligations in connection with the vesting of restricted stock units. 02/25/2026 /s/ Tyler T. Rosenbaum, Assistant Secretary, by Power of Attorney