Company: CCIXW
Filing Date: 2025-12-03
Form Type: 8-K
Source: 0001193125-25-306977
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Company: Churchill Capital Corp IX/Cayman
Filing Date: 2025-12-03
Form: 8-K
Item: Item 1.01
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Item 1.01 Entry into a Material Definitive Agreement

On December 2, 2025, Churchill Capital Corp IX (the “ Company”) issued an unsecured promissory note (the “ Note”) in the aggregate principal amount of up to $1,500,000 to Churchill Sponsor IX LLC (the “ Sponsor”), the Company’s sponsor, for the Company’s working capital needs. The Note does not bear interest and matures upon the earlier of the closing of an initial business combination by the Company and the Company’s liquidation.

Amounts outstanding under the Note are convertible, at the option of the Sponsor, into units of the Company (the “ Conversion Units”), at a conversion price of $10.00 per Conversion Unit, with each unit consisting of one share of the Company’s Class A ordinary share, par value $0.0001 per share (“Class A Ordinary Share”), and one-quarterof one warrant, with each whole warrant exercisable for one Class A Ordinary Share at $11.50 per share, subject to adjustment as provided in the Company’s Registration Statement on Form S-1filed in connection with its initial public offering (“ IPO”). The Conversion Units will be identical to the private placement units issued to the Sponsor at the time of the Company’s IPO. The Conversion Units are entitled to registration rights.