FORM 10-Q (MARK ONE)☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-42916 APEX TREASURY CORPORATION(Exact Name of Registrant as Specified in Its Charter) N/A(Former name, former address and former fiscal year, if changed since last report) Securities registered pursuant to Section 12(b) of the Act: 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. 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 is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☒No☐ As of August 10, 2026, there were 34,470,000 Class A ordinary shares, par value $0.0001 per share, issued and outstanding, and11,490,000 Class B ordinary shares, par value $0.0001 per share, issued and outstanding. APEX TREASURY CORPORATIONFORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2026TABLE OF CONTENTS PagePart I. Financial Information1Item 1. Interim Financial Statements1Condensed Balance Sheets as of June 30, 2026 (Unaudited) and December 31, 20251Condensed Statements of Operations for the three and six months ended June 30, 2026 and for the period from June26, 2025 (Inception) through June 30, 2025 (Unaudited)2Condensed Statements of Changes in Shareholders’ (Deficit) Equity for the three and six months ended June 30,2026 and for the period from June 26, 2025 (Inception) through June 30, 2025 (Unaudited)3Condensed Statements of Cash Flows for the six months ended June 30, 2026 and for the period from June 26, 2025(Inception) through June 30, 2025 (Unaudited)4Notes to Condensed Financial Statements (Unaudited)5Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations23Item 3. Quantitative and Qualitative Disclosures About Market Risk27Item 4. Controls and Procedures27Part II. Other Information28Item 1. Legal Proceedings28Item 1A. Risk Factors28Item 2. Unregistered Sales of Equity Securities and Use of Proceeds28Item 3. Defaults Upon Senior Securities28Item 4. Mine Safety Disclosures28Item 5. Other Information28Item 6. Exhibits29Part III. Signatures30 APEX TREASURY CORPORATIONCONDENSED BALANCE SHEETS June 30,2026(unaudited)December31, 2025 Class A ordinary shares subject to possible redemption, $0.0001 par value; 34,470,000 shares atredemption value of $10.25 and $10.07 per share as of June 30, 2026 and December 31, 2025,respectively353,145,504346,990,935 APEX TREASURY CORPORATIONCONDENSED STATEMENTS OF OPERATIONS(UNAUDITED) APEX TREASURY CORPORATIONCONDENSED STATEMENTS OF CHANGES IN SHAREHOLDERS’ (DEFICIT) EQUITY(UNAUDITED) FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2026 APEX TREASURY CORPORATIONCONDENSED STATEMENTS OF CASH FLOWS(UNAUDITED) Net income (loss)$4,204,756$(18,774)Adjustments to reconcile net income (loss) to net cash used in operating activities:Payment of operation costs through promissory note—12,420Interest earned on cash and securities held in Trust Account(6,154,569)—Changes in operating assets and liabilities:Prepaid expenses(65,650)—Prepaid insurance40,680—Accounts payable and accrued expenses1,551,8526,354Net cash used in operating activities(422,931)— APEX TREASURY CORPORATIONNOTES TO CONDENSED FINANCIAL STATEMENTSJUNE 30, 2026(UNAUDITED) NOTE 1. DESCRIPTION OF ORGANIZATION, BUSINESS OPERATIONS, LIQUIDITY AND CAPITAL RESOURCES Apex Treasury Corporation (the “Company”) is a blank check company incorporated in the Cayman Islands on June26, 2025. TheCompany was formed for the purpose of effecting a merger, amalgamation, share exchange, asset acquisition, share purchase,reorganization or similar business combination with one or more businesses (a “Business Combination”). The Company may pursuean initial Business Combination in any business or industry but targets opportunities and companies that are in the blo