FORM 10-Q (MARK ONE)☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2026 Commission file number: 001-43040 ART TECHNOLOGY ACQUISITION CORP.(Exact Name of Registrant as Specified in Its Charter) Registrant’s telephone number, including area code:(267)703-4396 Not Applicable(Former name or former address, if changed since last report) Securities registered pursuant to Section 12(b) of the Act: Check whether the issuer (1) filed all reports required to be filed by Section 13 or 15(d) of the Exchange Act during the past 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 forthe 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 definitions of “large accelerated filer”, “accelerated filer”, “smaller reportingcompany”, and “emerging growth company” in Rule12b-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 is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☒No☐ As of August 7, 2026, there were 26,125,000 Class A ordinary shares, $0.0001 par value and 8,708,333 Class B ordinary shares,$0.0001 par value, issued and outstanding. ART TECHNOLOGY ACQUISITION CORP.FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2026TABLE OF CONTENTS PagePart I. Financial InformationItem 1. Financial StatementsCondensed Balance Sheets as of June 30, 2026 (Unaudited) and December 31, 20252Condensed Statements of Operations for the Three and Six Months Ended June 30, 2026 (Unaudited)3Condensed Statements of Changes in Shareholders’ Deficit for the Three and Six Months Ended June 30, 2026(Unaudited)4Condensed Statement of Cash Flows for the Six Months Ended June 30, 2026 (Unaudited)5Notes to Condensed Financial Statements (Unaudited)6Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations21Item 3. Quantitative and Qualitative Disclosures Regarding Market Risk24Item 4. Controls and Procedures24Part II. Other InformationItem 1. Legal Proceedings25Item 1A. Risk Factors25Item 2. Unregistered Sales of Equity Securities and Use of Proceeds25Item 3. Defaults Upon Senior Securities25Item 4. Mine Safety Disclosures25Item 5. Other Information25Item 6. Exhibits26Part III. Signatures27 PART I - FINANCIAL INFORMATION ART TECHNOLOGY ACQUISITION CORP.CONDENSED BALANCE SHEETS ART TECHNOLOGY ACQUISITION CORP.CONDENSED STATEMENTS OF OPERATIONS(UNAUDITED) ART TECHNOLOGY ACQUISITION CORP.CONDENSED STATEMENTS OF CHANGES IN SHAREHOLDERS’ DEFICITFOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2026(UNAUDITED) ART TECHNOLOGY ACQUISITION CORP.CONDENSED STATEMENT OF CASH FLOWSFOR THE SIX MONTHS ENDED JUNE 30, 2026(UNAUDITED) Cash Flows from Operating Activities:Net income$3,410,842Adjustments to reconcile net income to net cash used in operating activities:Interest earned on marketable securities held in Trust Account(4,247,870)Changes in operating assets and liabilities:Prepaid expenses(112,220)Accrued expenses13,357Long-term prepaid insurance(37,500)Net cash used in operating activities(973,391)Cash Flows from Investing Activities:Investment of cash in Trust Account(253,000,000)Net cash used in investing activities(253,000,000)Cash Flows from Financing Activities:Proceeds from issuance of Class B ordinary shares to Clear Street1,000Proceeds from sale of Units, net of underwriting discounts paid248,600,000Proceeds from sale of Private Placement Units8,250,000Repayment of promissory note – related party(194,453)Payment of offering costs(373,300)Net cash provided by financing activities256,283,247Net Change in Cash2,309,856Cash – Beginning of period—Cash – End of period$2,309,856Non-Cash investing and financing activities:Offering costs included in accrued offering costs$81,360Deferred offering costs paid directly by Sponsor in exchange for the issuance of Class B ordinary shares$10,000Deferred underwriting fee payable$ 10,780,000The accompanying notes are an integral part of these unaudited condensed financial statements. ART TECHNOLOGY ACQUISITION CORP.NOTES TO CONDENSED FINANCIAL STATEMENTSJUNE 30, 2026(Unaudited) NOTE 1—DESCRIPTION OF ORGANIZATION AND BUSINESS