Keystone Acquisition Corp-A 2026年季度报告

FORM 10-Q (MARK ONE)☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2026 Commission file number: 001-43320 KEYSTONE ACQUISITION CORP.(Exact name of registrant as specified in its charter) 142 West 57th Street11th FloorNew York, New York 10019(Address of principal executive offices) (408) 482-7532(Registrant’s telephone number, including area code) 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 Rule12b-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 28,750,000 Class A ordinary shares, $0.0001 par value and 9,583,333 Class B ordinary shares,$0.0001 par value, issued and outstanding. KEYSTONE ACQUISITION CORP. FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2026TABLE OF CONTENTS PagePart I. Financial InformationItem 1. 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 (Unaudited)2Condensed Statements of Changes in Shareholders’ Deficit for the Three and Six Months Ended June 30, 2026(Unaudited)3Condensed Statement of Cash Flows for the Six Months Ended June 30, 2026 (Unaudited)4Notes to Condensed Financial Statements (Unaudited)5Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations20Item 3. Quantitative and Qualitative Disclosures About Market Risk23Item 4. Controls and Procedures23Part II. Other InformationItem 1. Legal Proceedings24Item 1A. Risk Factors24Item 2. Unregistered Sales of Equity Securities and Use of Proceeds24Item 3. Defaults Upon Senior Securities24Item 4. Mine Safety Disclosures24Item 5. Other Information24Item 6. Exhibits25Signatures26 PART I - FINANCIAL INFORMATION KEYSTONE ACQUISITION CORP.CONDENSED BALANCE SHEETS (1)Includes up to 1,250,000 Class B ordinary shares that were subject to forfeiture to the extent the underwriters did not exercise theover-allotment option in full or in part (Note 6). On June 4, 2026, the underwriters exercised their over-allotment option in full aspart of the closing of the Initial Public Offering. As a result, the 1,250,000 Founder Shares are no longer subject to forfeiture. The accompanying notes are an integral part of these unaudited condensed financial statements. KEYSTONE ACQUISITION CORP.CONDENSED STATEMENTS OF OPERATIONS(UNAUDITED) (1)Includes up to 1,250,000 Class B ordinary shares that were subject to forfeiture to the extent the underwriters did not exercise theover-allotment option in full or in part (Note 6). On June 4, 2026, the underwriters exercised their over-allotment option in full aspart of the closing of the Initial Public Offering. As a result, the 1,250,000 Founder Shares are no longer subject to forfeiture. The accompanying notes are an integral part of these unaudited condensed financial statements. KEYSTONE ACQUISITION CORP.CONDENSED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY (DEFICIT)FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2026(UNAUDITED) (1)Includes up to 1,250,000 Class B ordinary shares that were subject to forfeiture to the extent the underwriters did not exercise theover-allotment option in full or in part (Note 6). On June 4, 2026, the underwriters exercised their over-allotment option in full aspart of the closing of the Initial Public Offering. As a result, the 1,250,000 Founder Shares are no longer subject to forfeiture. The accompanying notes are an integral part of these unaudited condensed financial statements. KEYSTONE ACQUISITION CORP.CONDENSED STATEMENT OF CASH FLOWSFOR THE SIX MONTHS ENDED JUNE