Dominari Holdings Inc. 10-Q

Item 5. Other Information. None . 30 Item 6. Exhibits 31.1* Certification of Principal Executive Officer of Dominari Holdings Inc. pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 31.2* Certification of Principal Financial Officer of Dominari Holdings Inc. pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 32.1** Certification of Principal Executive Officer of Dominari Holdings Inc. pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 32.2** Certification of Principal Financial Officer of Dominari Holdings Inc. pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 101.INS Inline XBRL Instance Document 101.SCH Inline XBRL Taxonomy Extension Schema Document. 101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document. 101.DEF Inline XBRL Taxonomy Extension Definition Linkbase Document. 101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document. 101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document. 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101). * Filed herewith. ** Furnished herewith. 31 Signatures Pursuant to the requirements of the Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. DOMINARI HOLDINGS INC. Date: May 12, 2026 By: /s/ Anthony Hayes Anthony Hayes Chief Executive Officer Date: May 12, 2026 By: /s/ Tim Ledwick Tim Ledwick Chief Financial Officer 32