FORM 10-K (Mark One) ☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the period from October 22, 2025 (inception) through December 31, 2025 OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Exact Name of Registrant as Specified in Its Charter) Cayman Islands98-1893434(State or Other Jurisdiction ofIncorporation or(I.R.S. EmployerIdentification No.) Organization) 7100 W. Camino Real, Suite 302-48 Boca Raton, Florida33433(Address of Principal Executive Offices)(Zip Code) Registrant’s telephone number, including area code: +1 212-847-3248 Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes☐No☒ Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. Yes☐No☒ Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the SecuritiesExchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports),and (2) has been subject to such filing requirements for the past 90 days. Yes☐No☒ Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to be submittedpursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that theRegistrant was required to submit such files). Yes☒No☐ Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smallerreporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smallerreporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. Large accelerated filerNon-accelerated filer If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period forcomplying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectivenessof its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registeredpublic accounting firm that prepared or issued its audit report.☐ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of theregistrant included in the filing reflect the correction of an error to previously issued financial statements.☐ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-basedcompensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐ Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes☒No☐ The registrant’s securities were not listed on any exchange and had no value as of the last business day of the second fiscal quarter of2025. The registrant’s units, Class A ordinary shares and warrants began trading on NYSE American LLC (“NYSE American” or“NYSE”) on January 28, 2026. Accordingly, there was no market value for the registrant’s common equity as of the last business dayof the second fiscal quarter of 2025. As of March 30, 2026, there were 10,459,580 Class A ordinary shares, $0.0001 par value and 3,394,100 Class B ordinary shares,$0.0001 par value, issued and outstanding. UNITED ACQUISITION CORP. IANNUAL REPORT ON FORM 10-K TABLE OF CONTENTS PageCertain TermsiiCautionary Note Regarding Forward-Looking Statements And Risk Factor SummaryivPart I1Item 1.Business1Item 1A.Risk Factors18Item 1B.Unresolved Staff Comments34Item 1C.Cybersecurity34Item 2.Property34Item 3.Legal Proceedings34Item 4.Mine Safety Disclosures34Part II35Item 5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities35Item 6.[Reserved]36Item 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations36Item 7A.Quantitative and Qualitative Disclosures about Market Risk40Item 8.Financial Statements and Supplementary Data40Item 9.Changes in and Disagreements with Accountants on Accounting and Financial Disclosure40Item 9A.Controls and Procedures40Item 9B.Other Information41Item 9C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections41Part III41Item 10.Directors, Executive Officers and Corporate Governance41Item 11.Executive Compensation50Item 12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters50Item 13.Certain Relationships and R