Company: IONQ
Filing Date: 2025-06-09
Form Type: 424B7
Source: 0001193125-25-137419
Chunk: 25

Company: IonQ, Inc.
Filing Date: 2025-06-09
Form: 424B7
Chunk 25
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 the indenture with respect to the debt securities and any change in the acceleration provisions described in this prospectus or in the indenture with respect to the debt securities; |

| • |     | any depositaries, interest rate calculation agents, exchange rate calculation agents or other agents with respect 
 to the debt securities;                                                                                           |

| • |     | if there is more than one trustee or a different trustee, the identity of the trustee and, if not the trustee,      
 the identity of each security registrar, paying agent or authenticating agent with respect to such debt securities; |

| • |     | any other terms of the debt securities, which may supplement, modify or delete any provision of the indenture as                                                             
 it applies to that series, including any terms that may be required under applicable law or regulations or advisable in connection with the marketing of the securities; and |

| • |     | whether any of our direct or indirect subsidiaries will guarantee the debt securities of that series, including 
 the terms of subordination, if any, of such guarantees.                                                         |

10

We may offer debt securities that provide for an amount less than their stated principal
amount to be due and payable upon declaration of acceleration of their maturity pursuant to the terms of the indenture. We will provide you with information on the federal income tax considerations and other special considerations applicable to any
of these debt securities in the applicable prospectus supplement.

If we denominate the purchase price of any of the debt securities in a
foreign currency or currencies or a foreign currency unit or units, or if the principal of and any premium and interest on any series of debt securities is payable in a foreign currency or currencies or a foreign currency unit or units, we will
provide you with information on the restrictions, elections, general tax considerations, specific terms and other information with respect to that issue of debt securities and such foreign currency or currencies or foreign currency unit or units in
the applicable prospectus supplement.

Transfer and Exchange

Each debt security will be represented by either one or more global securities registered in the name of a clearing agency registered under the
Exchange Act, which we refer to as the depositary, or a nominee of the depositary (we will refer to any debt security represented by a global debt security as a “book-entry debt security”), or a certificate issued in definitive registered
form (we will refer to any debt security represented by a certificated security as a “certificated debt security”) as set forth in the applicable prospectus supplement. Except as