Company: CCIXW
Filing Date: 2025-12-05
Form Type: S-4/A
Source: 0001193125-25-309933
Chunk: 80

Company: Churchill Capital Corp IX/Cayman
Filing Date: 2025-12-05
Form: S-4/A
Chunk 80
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’s transfer agent at the address below prior to the vote at the extraordinary general meeting. See the section entitled “Extraordinary General Meeting of CCIX — Redemption Rights.”

If you have questions regarding the certification of your position or delivery of your shares, please contact:

<div align='center'>Continental Stock Transfer & Trust Company

One State Street Plaza, 30th Floor

New York, NY 10004

Attn: SPAC Redemption Team

Email:spacredemptions@continentalstock.com

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SUMMARY OF THE PROXY STATEMENT/PROSPECTUS</div>

This summary highlights selected information from this proxy statement/prospectus and does not contain all of the information that is important to you. To better understand the proposals to be submitted by CCIX for a vote at the extraordinary general meeting, including the business combination proposal, you should read this entire document carefully, including the Merger Agreement attached as Annex A to this proxy statement/prospectus. The Merger Agreement is the legal document that governs the Transactions that will be undertaken in connection with the business combination. It is also described in detail in this proxy statement/prospectus in the section entitled “Proposal No. 1 — The Business Combination Proposal — Certain Agreements Related to the Business Combination — Merger Agreement.”

The Parties

CCIX

Churchill Capital Corp IX is a blank check company formed in order to effect a merger, amalgamation, share exchange, asset acquisition, stock purchase, reorganization or other similar business combination with one or more businesses. CCIX was incorporated under the laws of the Cayman Islands on December 18, 2023.

On May 6, 2024, CCIX closed its initial public offering (the “CCIX IPO”) of 28,750,000 CCIX public units, including the full exercise of the over-allotment option to the extent of 3,750,000 units. The CCIX public units were sold at an offering price of $10.00 per share, generating gross proceeds of $287,500,000. Simultaneously with the consummation of the CCIX IPO and the exercise of the underwriters’ over-allotment option, CCIX consummated the private placement of 725,000 CCIX private placement units at a price of $10.00 per unit.

A total of $287,500,000 was deposited into the trust account and the remaining net proceeds became available to be used as working capital to provide for business, legal