SCHEDULE 13G 0001512020 XXXXXXXX LIVE Class A ordinary shares, par value $0.0001 per share 06/30/2025 0001865861 Cactus Acquisition Corp. 1 Ltd G1745A108 4B CEDAR BROOK DRIVE CRANBURY NJ 08512 Rule 13d-1(b) Kepos Capital LP DE 0.00 200000.00 0.00 200000.00 200000.00 N 5.1 IA PN Mark Carhart X1 0.00 200000.00 0.00 200000.00 200000.00 N 5.1 HC IN Cactus Acquisition Corp. 1 Ltd 4B Cedar Brook Drive, Cranbury, NJ 08512 This statement is filed by: (i) Kepos Capital LP (the "Investment Manager"), a Delaware limited partnership, and the investment adviser to certain funds and accounts (the "Kepos Funds"), with respect to the class A ordinary shares, par value $0.0001 per share (the "Class A Ordinary Shares") of Cactus Acquisition Corp. 1 Ltd. (the "Company") directly held by the Kepos Funds; and (ii) Mr. Mark Carhart ("Mr. Carhart"), the managing member of Kepos Capital GP LLC, the general partner of the Investment Manager, with respect to the Class A Ordinary Shares directly held by the Kepos Funds. The foregoing persons are hereinafter sometimes collectively referred to as the "Reporting Persons." The filing of this statement should not be construed as an admission that any of the foregoing persons or any Reporting Person is, for the purposes of Section 13 of the Securities Exchange Act of 1934 , the beneficial owner of the securities reported herein. The address of the business office of each of the Reporting Persons is 11 Times Square, 35th Floor, New York, New York 10036. The Investment Manager is a Delaware limited partnership. Mr. Carhart is a citizen of the United States. N IA HC The information required by Item 4(a) is set forth in Row 9 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The percentage set forth in this Schedule 13G is calculated based upon 3,926,061 Class A Ordinary Shares outstanding as of March 31, 2025, as reported in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2024, filed with the Securities and Exchange Commission on April 15, 2025. 5.1% The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for each of the Reporting Persons and is incorporated herein by reference. Y N See Item 2(a). The Kepos Funds have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Class A Ordinary Shares reported herein. Kepos Special Opportunities Master Fund L.P., a Kepos Fund, has the right to receive or the power to direct the receipt of dividends or the proceeds from the sale of more than 5% of the Class A Ordinary Shares. 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. Exhibit 99.1: Joint Filing Agreement Kepos Capital LP /s/ Simon Raykher 08/12/2025 Mark Carhart /s/ Mark Carhart 08/12/2025