FORM 10-Q (Mark One) ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended March 31, 2026☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period from ______ to _______Commission File No.001-43253 ARC GROUP ACQUISITION I CORP (Exact name of registrant as specified in its charter) British Virgin Islands(State or other jurisdiction 398 S Mill Avenue,Suite 306,Tempe,AZ85284(Address of principal executive offices) (928)625-0928(Registrant’s telephone number, including area code) Securities registered pursuant to Section 12(b) of the Act: N/A 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), 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 the registrant 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,” “smaller 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 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☐ Applicable Only to Issuer Involved in Bankruptcy Proceedings During the Preceding Five Years. N/A Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Sections 12, 13 or 15(d) ofthe Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court. Yes☐No☐ Applicable Only to Corporate Registrants Indicate the number of shares outstanding of each of the issuer’s classes of ordinary shares, as of the latest practicable date: Class Aordinary shares, $0.0001 par value; 500,000,000 shares authorized; 683,000 issued and outstanding (excluding 12,075,000 Class A ordinary shares subject to possible redemption) and Class B ordinary shares, $0.0001 par value; 50,000,000 shares authorized;5,175,000 issued and outstanding, as of May 14, 2026. PART I - FINANCIAL INFORMATION (1)Includes an aggregate of 675,000 Class B ordinary shares subject to forfeiture to the extent that the underwriters’ over-allotmentoption is not exercised in full or in part. (2)On December 3, 2025, pursuant to the first downsize of the Proposed Public Offering, our sponsor surrendered 4,928,572 Class Bordinary shares it held for no consideration, leaving sponsor with 7,392,857 Class B ordinary shares outstanding. On April 6,2026, pursuant to the second downsize of the Proposed Public Offering, our sponsor surrendered 2,217,857 Class B ordinaryshares it held for no consideration, leaving sponsor with 5,175,000 Class B ordinary shares outstanding. All shares and associated The accompanying notes are an integral part of these unaudited financial statements. ARC GROUP ACQUISITION I CORPSTATEMENTS OF OPERATIONS (1)Excludes an aggregate of 675,000 Class B ordinary shares subject to forfeiture to the extent that the underwriters’ over-allotment option is not exercised in full or in part.(2)On December 3, 2025, pursuant to the first downsize of the Proposed Public Offering, our sponsor surrendered 4,928,572 Class B ordinary shares it held for no consideration, leaving sponsor with 7,392,857 Class B ordinary shares outstanding. On April 6,2026, pursuant to the second downsize of the Proposed Public Offering, our sponsor surrendered 2,217,857 Class B ordinaryshares it held for no consideration, leaving sponsor with 5,175,000 Class B ordinary shares outstanding. All shares and associated The accompanying notes are an integral part of these unaudited financial statements. ARC GROUP ACQUISITION I CORPSTATEMENT OF CHANGES IN SHAREHOLDERS’ DEFICIT (1)Includes an aggregate of 675,000 Class B ordinary shares subject to forfeiture to the extent that the underwriters’ over-allotment isnot exercised in full or in part. (2)On December 3, 2025, pursuant to the first downsize of the Proposed Public Offering, our sponsor surrendered 4,928,572 Class Bordinary shares it held for no consideration, leaving sponsor with 7,392,857 Class B ordinary shares outstanding. On April 6,2026, pursuant to the second downsize of the Proposed Public Offering, our sp