Company: IONQ
Filing Date: 2025-10-10
Form Type: 424B5
Source: 0001193125-25-236452
Chunk: 24

Company: IonQ, Inc.
Filing Date: 2025-10-10
Form: 424B5
Chunk 24
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 offering price set forth on the cover page of this prospectus supplement. After the initial offering of the shares of common stock, Pre-FundedWarrants and Series B Warrants to the public, the offering price and other selling terms may be changed by the underwriter. Any sales of the shares of common stock, Pre-FundedWarrants and Series B Warrants made outside the United States may be made by affiliates of the underwriter. The underwriting fee is equal to the public offering price per share of common stock and per Pre-FundedWarrant less the amount paid by the underwriter to us per share of common stock and per Pre-FundedWarrant. The underwriting fee is a price of $0.9300 per share and $0.9300 per Pre-FundedWarrant. No underwriting compensation is payable in connection with the Series B Warrants. The following table shows the per share and per Pre-FundedWarrant and total underwriting discounts and commissions to be paid to the underwriter.

|                           |     | Underwriting  
 Discounts and 
 Commissions   |                 |
|:--------------------------|:----|:--------------|----------------:|
| Per Share of Common Stock |     | $             |          0.9300 |
| Per Pre-Funded Warrant    |     | $             |          0.9300 |
| Total                     |     | $             | 20,000,022.0000 |

We expect to deliver the shares and Warrants in book-entry form through the facilities of The Depository Trust Company on or about October 14, 2025, which is the second business day following the date of this prospectus supplement (such settlement cycle being referred to as “T+2”). Under Rule 15c6-1 under the Securities Exchange Act of 1934, as amended, trades in the secondary market generally must settle in one business day, unless the parties to the trade agree otherwise. Accordingly, investors in this offering who wish to sell the shares and/or Warrants offered hereby before the trading day preceding the delivery of the shares and Warrants in this offering must specify an alternate settlement arrangement at the time of the trade to prevent a failed settlement. Those investors should consult their advisors. We estimate that the total expenses of this offering, including registration, filing and listing fees, printing fees and legal and accounting expenses, but excluding the underwriting discounts and commissions, will be approximately $1.5 million. A prospectus supplement in electronic format may be made