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 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 The number of shares outstanding of Arxis, Inc.'s Class A common stock, par value $0.01 per share, was 69,657,950 as of May1, 2026. The number of shares outstanding of Arxis, Inc.'s Class B common stock, par value $0.01 per share, was 340,676,783 as ofMay 1, 2026. The number of shares outstanding of Arxis, Inc.'s Class C common stock, par value $0.01 per share, was 0 as of May ARXIS INDEX Part I.Financial Information Item 1.Financial Statements Condensed Combined Statements of Members’ Equity for the Three Months Ended March 31, 2026 and 2025 ArxisCondensed Combined Statements of Members’ Equity Members’ EquityBalance as of December 31, 2025$3,124,058Net income53,309Other comprehensive loss(15,033) Balance as of December 31, 2024$2,977,127Net loss(4,324)Other comprehensive income17,987 (a)Refer to “Note 16. Related Party Transactions” for further information on related party arrangements. Notes to Arxis Condensed Combined Financial Statements (Unaudited, in thousands, except units and where explicitly stated) Note 1. Organization and Nature of Operations Organization and Description of Business Arcline Engineered Polymer Topco, L.P., Hawkeye TopCo, L.P., Connector TopCo, L.P., and Ovation TopCo, L.P. and certain oftheir respective wholly-owned subsidiaries (collectively, “Arxis,” the “Arxis Businesses” or “Company”) design, manufacture, and Arcline Engineered Polymer Topco, L.P. and its wholly-owned subsidiaries operate as leading manufacturers of seals, gaskets, andmetalized fabrics used primarily in aerospace and defense, medical device, and industrial products. Hawkeye TopCo, L.P., and itswholly-owned subsidiaries operate as leading manufacturers of electrical components used primarily in aerospace and defense,consumer electronics, and medical device products. Connector TopCo, L.P. and its wholly-owned subsidiaries operate as leadingmanufacturers of highly engineered electronic interconnect solutions used primarily in mission-critical applications in aerospace anddefense, semiconductor, medical device, and commercial products. Ovation TopCo, L.P. and certain of its wholly-owned Arxis, Inc. was incorporated as a Delaware corporation on October 3, 2025, for the purposes of effecting the reorganizationtransactions on April 16, 2026 as described below (the “Reorganization”). Prior to the Reorganization, Arxis, Inc. did not conductany activities other than those incidental to its formation and the planning and execution of the Reorganization. On April 16, 2026,the Company completed the Reorganization, pursuant to which wholly owned merger subsidiaries of Arxis, Inc. merged with andinto the Arxis Businesses, with the Arxis Businesses surviving. As a result, the Arxis Businesses are wholly owned by the Companyas of April 16, 2026. Prior to April 16, 2026, the Arxis Businesses operated under common control. Unless otherwise indicated or Note 2. Summary of Significant Accounting Policies Basis of Presentation The accompanying unaudited condensed combined financial statements should be read in conjunction with the Company's auditedcombined financial statements and the related notes thereto included in the Company's prospectus filed with the SEC on April 16,2026 pursuant to Rule 424(b) of the Securities Act of 1933, as amended, in connection with the Company's initial public offering(“IPO”) (the "Prospectus"). See "Note 17. Subsequent Events" for further details regarding the IPO. The December 31, 2025 The accompanying unaudited condensed combined financial statements have been prepared in accordance with accountingprinciples generally accepted in the United States of America (“GAAP”). Certain information and footnote disclosures normallyincluded in financial statements prepared in accordance with GAAP have been omitted pursuant to the rules and regulations of theSEC. In the opinion of management, the unaudited condensed combined financial statements reflect all adjustments, consisting only The financial statements as of March 31, 2026 and December 31, 2025, and for the three months ended March 31, 2026 and 2025combine: (i) the consolidated financial statements of Arcline Engineered Polymer Topco, L.P., (ii) the consolidated financialstatements of Hawkeye TopCo, L.P., (iii) the consolidated financial statements of Connector TopCo, L.P., and (iv) the financialstatements of Ovation TopCo, L.P., which include only the operations and entities contributed to Arxis, Inc. and therefore do n