SCHEDULE 13G/A 0001315863-24-000815 0001080171 XXXXXXXX LIVE 1 Class A Ordinary Shares, $0.0001 par value per share 12/31/2024 0002006291 Churchill Capital Corp IX G21301109 640 Fifth Avenue, 14th Floor New York NY 10019 Rule 13d-1(b) Aristeia Capital, L.L.C. DE 1299195 0 1299195 0 1299195 N 4.4 IN HC Churchill Capital Corp IX 640 Fifth Avenue, 14th Floor, New York, New York, 10019 Aristeia Capital, L.L.C., a Delaware limited liability company (the "Reporting Person") The address of the principal business office of the Reporting Person is One Greenwich Plaza, Suite 300 Greenwich, CT 06830 Delaware N IA The Reporting Person may be deemed the beneficial owner of 1,299,195 shares of Class A Ordinary Shares, $0.0001 par value per share, which is approximately 4.4% of the outstanding shares. This percentage was determined by dividing 1,299,195 by 29,475,000, which is the number of shares outstanding as of November 13, 2024, as reported in the Churchill Capital Corp IX's (the "Issuer") Form 10-Q filed on November 13, 2024, with the Securities and Exchange Commission. 4.4 1,299,195 0 1,299,195 0 N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Aristeia Capital, L.L.C. /s/ Andrew B. David 02/14/2025