Company: CCIXW
Filing Date: 2025-12-05
Form Type: S-4/A
Source: 0001193125-25-309933
Chunk: 52

Company: Churchill Capital Corp IX/Cayman
Filing Date: 2025-12-05
Form: S-4/A
Chunk 52
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 the domestication proposal, the organizational documents proposal, the stock issuance proposal, the incentive plan proposal and the ESPP proposal, the “ condition precedent proposals .” Please see the section entitled “ Proposal No. 8 — The Director Election Proposal ”; and • a proposal to approve by ordinary resolution the adjournment of the extraordinary general meeting to a later date or dates, if necessary, to permit further solicitation and vote of proxies in the event that there are insufficient votes for, or otherwise in connection with, the approval of any of the proposals at the extraordinary general meeting— we refer to this proposal as the “ adjournment proposal .” Please see the section entitled “ Proposal No. 9 — The Adjournment Proposal .” • Upon consummation of the business combination, it is expected that each Class I director will have a term that expires at the annual meeting of stockholders of the Post-Closing Company in 2026, each Class II director will have a term that expires at the annual meeting of stockholders of the Post-Closing Company in 2027 and each Class III director will have a term that expires at the annual meeting of stockholders of the Post-Closing Company in 2028, or in each case until their respective successors are duly elected and qualified, or until their earlier resignation, removal or death. Please see the sections entitled “ Proposal No. 8 — The Director Election Proposal ” and “ Management After the Business Combination ” for additional information. • An assumed Closing Date of , 2025 has been used throughout this proxy statement/prospectus for illustrative purposes only and is not intended to be a projection of the actual Closing Date.

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QUESTIONS AND ANSWERS ABOUT THE BUSINESS COMBINATION</div>

The questions and answers below highlight only selected information from this proxy statement/prospectus and only briefly address some commonly asked questions about the extraordinary general meeting and the proposals to be presented at the extraordinary general meeting, including with respect to the business combination proposal. The following questions and answers do not include all the information that is important to CCIX shareholders, who are urged to read carefully this entire proxy statement/prospectus, including the Annexes and the other documents referred to herein, to fully understand the business combination.

Questions and Answers for CCIX shareholders about the extraordinary general meeting and the business combination

Why am I, a CCIX shareholder, receiving this proxy statement/prospectus?

CCIX and PlusAI have agreed to (1) the transfer of the registration