Company: IONQ
Filing Date: 2025-10-17
Form Type: 424B7
Source: 0000950142-25-002828
Chunk: 10

Company: IonQ, Inc.
Filing Date: 2025-10-17
Form: 424B7
Chunk 10
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holder             |     |                       Number 
                           of 
                       Shares |     | Percentage |     |          Being 
        Offered |     | Number of Shares            |     | Percentage |
| Jamil Abo-Shaeer(3)                     |     |                    1,829,148 |     | *          |     |      1,829,148 |     | —                           |     | —          |
| Martin Boyd(4)                          |     |                    1,463,319 |     | *          |     |      1,463,319 |     | —                           |     | —          |
| Matthew Cashen(5)                       |     |                    1,463,319 |     | *          |     |      1,463,319 |     | —                           |     | —          |
| Other selling stockholders, as a group* |     |                    1,893,477 |     | *          |     |      1,893,477 |     | —                           |     | —          |

| * | Less than 1%. |

| (1) | Consists of the maximum number of shares of our common stock being offered pursuant to this prospectus supplement by each applicable  
 selling stockholder and, if applicable, any other common stock beneficially owned by such selling stockholder as of October 14, 2025. |

| (2) | Assumes the sale of all of the shares offered by the selling stockholders pursuant to this prospectus supplement and that the selling 
 stockholders buy or sell no additional shares of our common stock prior to the completion of the offering.                            |

| (3) | Consists of (i) 1,672,156 shares held directly by the selling stockholder and (ii) 156,992 shares to which the selling stockholder       
 may be entitled pursuant to escrow arrangements. The address for the selling stockholder is 7527 Highland Oaks Dr, Pleasanton, CA 94588. |

| (4) | Consists of (i) 1,337,725 shares held directly by the selling stockholder and (ii) 125,594 shares to which the selling stockholder 
 may be entitled pursuant to escrow arrangements. The address of the selling stockholder is 4257 Hayford Ct, Pleasanton, CA 94566.  |

| (5) | Consists of (i) 1,337,725 shares held directly by the selling