Climb Global Solutions, Inc. 10-Q

Item 5. Other Information Rule 10b5 - 1 Trading Plans ​ During the three months ended March 31, 2026 , none of our directors or officers (as defined in Rule 16a - 1 (f) of the Exchange Act) informed us of the adoption or termination of a “Rule 10b5 - 1 trading arrangement” or “non-Rule 10b5 - 1 trading arrangement," as those terms are defined in Item 408 of Regulation S-K. 31 Table of Contents Item 6. Exhibits ​ ​ ​ Incorporated by Reference Exhibit No. Description of Exhibit Form Exhibit or Annex Filing Date File Number ​​ ​ ​ ​ ​ ​ 3.1 Amended and Restated Certificate of Incorporation of the Company. 10-K 3.1 March 11, 2025 000-26408 ​ ​ ​ ​ ​ ​ 3.1(a) Certificate of Amendment of Restated Certificate of Incorporation of the Company. 10-Q 3.1(a) November 3, 2006 000-26408 ​ ​ ​ ​ ​ ​ 3.1(b) Certificate of Amendment of Restated Certificate of Information of the Company. 8-K 3.1 October 27, 2022 000-26408 ​ ​ ​ ​ ​ ​ 3.2 Amended and Restated Bylaws of the Company . 8-K 3.1 December 8, 2022 000-26408 31.1* Certification pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934, of Dale Foster, the Chief Executive Officer of the Company. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 31.2* Certification pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934, of Matthew Sullivan, the Chief Financial Officer of the Company. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 32.1# Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, of Dale Foster, the Chief Executive Officer of the Company. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 32.2# Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, of Matthew Sullivan, the Chief Financial Officer of the Company. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 101 The following financial information from Climb Global Solutions, Inc.’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2026, filed with the SEC on April 30, 2026, formatted in Inline XBRL (Extensible Business Reporting Language) includes: (1) Condensed Consolidated Balance Sheets, (2) Condensed Consolidated Statements of Income, (3) Condensed Consolidated Statements of Stockholders’ Equity, (4) Condensed Consolidated Statements of Comprehensive Income, (5) Condensed Consolidated Statements of Cash Flows, and (6) the Notes to the Unaudited Condensed Consolidated Financial Statements. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 104 Cover Page Interactive Data File – The cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. ​ ​ ​ ​ * Filed herewith # Furnished herewith. This certification is deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (Exchange Act), or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act. ​ 32 Table of Contents SIGNATURES ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. ​ ​ ​ ​ CLIMB GLOBAL SOLUTIONS, INC ​ ​ ​ ​ April 30, 2026 ​ By: /s/ Dale Foster Date ​ ​ Dale Foster, Chief Executive Officer (Principal Executive Officer) ​ ​ ​ ​ ​ ​ ​ ​ April 30, 2026 ​ By: /s/ Matthew Sullivan Date ​ ​ Matthew Sullivan, Chief Financial Officer (Principal Financial and Accounting Officer) ​ 33