Company: IONQ
Filing Date: 2025-06-09
Form Type: 424B7
Source: 0001193125-25-137419
Chunk: 12

Company: IonQ, Inc.
Filing Date: 2025-06-09
Form: 424B7
Chunk 12
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 with the selling stockholders to keep the registration statement of which this prospectus supplement constitutes a part effective until the earliest to occur of (i) the date on which all of the shares of our common stock covered by this prospectus supplement have been sold, (ii) such time as each selling stockholder is eligible to sell all of such shares of our common stock under Rule 144 of the Securities Act without any limitation as to volume or manner of sale or (iii) the six-monthanniversary of the issuance of such shares to the selling stockholders, subject to certain exceptions. We have agreed to indemnify the selling stockholders against certain liabilities in connection with the offering of the shares and will pay certain expenses of the registration of the shares offered hereby, including the SEC filing fees. If any selling stockholder notifies us that it has a material arrangement with a broker-dealer for the resale of the shares, then we would be required to amend the registration statement of which this prospectus supplement is a part, and file a prospectus supplement to describe the agreement between such selling stockholder and the broker-dealer. S-10

Under applicable rules and regulations under the Exchange Act, any person engaged in the
distribution of the resale shares may not simultaneously engage in market making activities with respect to the shares, for the applicable restricted period, as defined in Regulation M, prior to the commencement of the distribution. In addition, the
selling stockholders will be subject to applicable provisions of the Exchange Act and the rules and regulations thereunder, including Regulation M, which may limit the timing of purchases and sales of the shares by the selling stockholders or any
other person. We will make copies of this prospectus supplement and related prospectus available to the selling stockholders and have informed them of the need to deliver a copy of this prospectus supplement and related prospectus to each purchaser
at or prior to the time of the sale (including by compliance with Rule 172 under the Securities Act).

The aggregate proceeds to the
selling stockholders from the sale of the shares offered by them will be the purchase price of the shares less discounts or commissions, if any. Each of the selling stockholders reserves the right to accept and, together with its agents from time to
time, to reject, in whole or in part, any proposed purchase of the shares to be made directly or through agents. We will not receive any of the proceeds from this offering.

S-11

LEGAL MATTERS

The validity of the shares of our common stock offered by