IonQ

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-11 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: IonQ, Inc. (IONQ) CIK: 0001824920 --- Reporting Owner --- Name: DACIER PAUL T CIK: 0001189870 Role: Officer (CAO, CLO and Secretary) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-09-11 | Code: F (Payment of exercise/tax) Shares: -4,457 | Price: $37.09 Total Value: $165,324.39 Shares Owned After: 100,001 | Ownership: D (Direct) Footnotes: [F1] The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs"). [F2] The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.35 to $37.62, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. --- Footnotes (Complete Index) --- F1: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs"). F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.35 to $37.62, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. --- Signature --- /s/ /s/ Tyler T. Rosenbaum, Assistant Secretary, by Power of Attorney (2026-09-15)