FORM 10-K ☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year endedDecember 31, 2025 or ☐TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _____________ to ________________ Commission file number:001-43115 D. BORAL ACQUISITION I CORP.(Exact name of registrant as specified in its charter) British Virgin IslandsN/A(State or other jurisdiction of(I.R.S. Employer + (332) 266-7344(Registrant’s telephone number, including area code) Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule405 of the Securities Act.Yes☐No☒ Indicate by check mark if the registrant is not required to file reports pursuant to Section13 or Section15(d) of the Exchange Act.Yes☐No☒ Indicate by check mark whether the registrant (1) has filed all reports required by Section13 or 15(d) of the Securities Exchange Actof 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) hasbeen 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 Rule405 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 Rule12b-2 of the Exchange Act. Accelerated filer☐Smaller reporting company☒Emerging Growth Company☒ Large accelerated filer☐Non-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 Section13(a) of the Exchange Act. Yes☐No☒ 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 Section404(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 Section12(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 Exchange Act). Yes☒No☐ As of June30, 2025, the aggregate market value of the registrant’s ordinary shares held by non-affiliates of the registrant was $0. As of March 30, 2026, there were 30,950,000 Class A ordinary shares, par value $0.0001 per share, and 12,321,429 Class B ordinaryshares, par value $0.0001 per share, of the registrant issued and outstanding. DOCUMENTS INCORPORATED BY REFERENCE None. D. BORAL ACQUISITION I CORP. PagePART I1ITEM 1.BUSINESS1ITEM 1A.RISK FACTORS9ITEM 1B.UNRESOLVED STAFF COMMENTS9ITEM 1C.CYBERSECURITY9ITEM 2.PROPERTIES9ITEM 3.LEGAL PROCEEDINGS9ITEM 4.MINE SAFETY DISCLOSURES9PART II10ITEM 5.MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED SHAREHOLDER MATTERS ANDISSUER PURCHASES OF EQUITY SECURITIES10ITEM 6.[RESERVED]10ITEM 7.MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OFOPERATIONS10ITEM 7A.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK13ITEM 8.FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA13ITEM 9.CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING ANDFINANCIAL DISCLOSURE13ITEM 9A.CONTROLS AND PROCEDURES13ITEM 9B.OTHER INFORMATION13ITEM 9C.DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS13PART III14ITEM 10.DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE14ITEM 11.EXECUTIVE COMPENSATION25ITEM 12.SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT ANDRELATED SHAREHOLDER MATTERS27ITEM 13.CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE28ITEM 14.PRINCIPAL ACCOUNTANT FEES AND SERVICES30PART IV31ITEM 15.EXHIBITS AND FINANCIAL STATEMENT SCHEDULES31 CERTAIN TERMS References to “the Company,” “DBCA,” “our,” “us” or “we” refer to D. Boral Acquisition I Corp., a blank check companyincorporated in the BVI on April 3, 2025. References to our “Sponsor” or “sponsor” refer to D. Boral Sponsor I LLC, a D