Table of Contents For the fiscal year ended December 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-42890 RANGE CAPITAL ACQUISITION CORP II (Exact name of registrant as specified in its charter) Cayman Islands N/A (State or othe ...

Core Points - Range Capital Acquisition Corp II announced the separate trading of its Class A ordinary shares and warrants, starting on or about November 24, 2025 [1][2] - The Class A ordinary shares and warrants will trade on the Nasdaq Global Market under the symbols "RNGT" and "RNGTW," respectively, while units not separated will continue to trade under "RNGTU" [2] - A registration statement for these securities was filed with the SEC and became effective on September 30, 2025 [3] Summary by Sections Trading Information - Holders of units sold in the initial public offering can elect to separately trade Class A ordinary shares and warrants starting November 24, 2025 [1] - No fractional warrants will be issued upon separation, and only whole warrants will trade [2] Regulatory Filings - The offering was made only by means of a prospectus, which can be obtained by contacting BTIG, LLC [3] Company Overview - Range Capital Acquisition Corp II closed its initial public offering of 23,000,000 units, generating total gross proceeds of $230 million, with the offering priced at $10.00 per unit [7]

Initial Public Offering - The Company completed its Initial Public Offering on October 6, 2025, raising gross proceeds of $230,000,000 from the sale of 23,000,000 Units at $10.00 per Unit[109]. - The Company incurred transaction costs of $13,232,284 related to the Initial Public Offering, including $4,600,000 in cash underwriting fees and $8,050,000 in deferred underwriting fees[117]. - The underwriters are entitled to a deferred underwriting discount of $8,050,000, payable only upon the completion of an initial Business Combination[125]. Financial Position - As of September 30, 2025, the Company reported a net loss of $49,800 since inception, primarily due to formation and administrative costs[114]. - The Company has no long-term debt or off-balance sheet arrangements as of September 30, 2025[123]. - The Company has placed $230,000,000 of net proceeds from the Offering and Private Placement into a Trust Account for the benefit of public shareholders[111]. Business Strategy - The Company intends to use substantially all funds in the Trust Account to complete its Business Combination and for working capital of the target business[119]. - The Company plans to use funds held outside the Trust Account for identifying and evaluating target businesses and conducting due diligence[120]. Revenue Generation - The Company has not generated any revenues to date and does not expect to do so until after completing a Business Combination[112]. Operational Costs - The Company has a monthly obligation of $20,000 for office space and administrative support, which will cease upon the completion of the initial Business Combination[124].

Table of Contents As filed with the Securities and Exchange Commission on September 29, 2025. Registration No. 333-290118 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Range Capital Acquisition Corp II (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Cayman Islands 6770 N/A (Primary Standard Industrial Classification Code Number) ( ...

As filed with the Securities and Exchange Commission on September 8, 2025. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Range Capital Acquisition Corp II (Exact name of registrant as specified in its charter) Cayman Islands 6770 N/A (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification Number) Range ...