Company: IONQ
Filing Date: 2025-08-11
Form Type: 424B7
Source: 0001193125-25-177997
Chunk: 52

Company: IonQ, Inc.
Filing Date: 2025-08-11
Form: 424B7
Chunk 52
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 warrants.                                                                                     |

20

DESCRIPTION OF SUBSCRIPTION RIGHTS We may offer subscription rights to purchase our common stock, preferred stock, debt securities, depositary shares, warrants or units consisting of some or all of these securities. These subscription rights may be offered independently or together with any other security offered hereby and may or may not be transferable by the stockholder receiving the subscription rights in such offering. In connection with any offering of subscription rights, we may enter into a standby arrangement with one or more underwriters or other purchasers pursuant to which the underwriters or other purchasers may be required to purchase any securities remaining unsubscribed for after such offering. The prospectus supplement relating to any subscription rights we offer, if any, will, to the extent applicable, include specific terms relating to the offering, including some or all of the following:

| • |     | the price, if any, for the subscription rights; |

| • |     | the exercise price payable for our common stock, preferred stock, debt securities, depositary shares, warrants or 
 units consisting of some or all of these securities upon the exercise of the subscription rights;                 |

| • |     | the number of subscription rights to be issued to each stockholder; |

| • |     | the number and terms of our common stock, preferred stock, debt securities, depositary shares, warrants or units 
 consisting of some or all of these securities which may be purchased per each subscription right;                |

| • |     | the extent to which the subscription rights are transferable; |

| • |     | any other terms of the subscription rights, including the terms, procedures and limitations relating to the 
 exchange and exercise of the subscription rights;                                                           |

| • |     | the date on which the right to exercise the subscription rights shall commence, and the date on which the 
 subscription rights shall expire;                                                                         |

| • |     | the extent to which the subscription rights may include an over-subscription privilege with respect to        
 unsubscribed securities or an over-allotment privilege to the extent the securities are fully subscribed; and |

| • |     | if applicable, the material terms of any standby underwriting or purchase arrangement which may be entered into 
 by us in connection with the offering of subscription rights.                                                   |

The descriptions of the subscription rights in this prospectus and in any prospectus supplement are summaries of the material provisions of the applicable subscription right agreements. These descriptions do not restate those subscription right agreements in their entirety and may not contain all the information that