SANUWAVE Health, Inc. 10-Q

Item 5. OTHER INFORMATION 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) adopted or terminated any contract, instruction, or written plan for the purchase or sale of our securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Exchange Act or any non-Rule 10b5-1 trading arrangement (as defined in Item 408(c) of Regulation S-K). Item 6. EXHIBITS Exhibit No. Description 2.1 Agreement and Plan of Merger, dated as of August 23, 2023, by and among SEP Acquisition Corp., SEP Acquisition Holdings Inc., and SANUWAVE Health, Inc. (Incorporated by reference to Exhibit 2.1 to the Form 8-K filed with the SEC on August 23, 2023). 2.2 Amendment Number One to Agreement and Plan of Merger, dated as of February 27, 2024, by and between SEP Acquisition Corp. and SANUWAVE Health, Inc. (Incorporated by reference to Exhibit 2.1 to the Form 8-K filed with the SEC on February 28, 2024). 2.3 Amendment Number Two to Agreement and Plan of Merger, dated as of April 25, 2024, by and between SEP Acquisition Corp. and SANUWAVE Health, Inc. (Incorporated by reference to Exhibit 10.1 to the Form 8-K filed with the SEC on April 26, 2024). 2.4 Amended Number Three to Agreement and Plan of Merger, dated as of May 28, 2024, by and between SEP Acquisition Corp. and SANUWAVE Health, Inc. (Incorporated by reference to Exhibit 2.1 to the Form 8-K filed with the SEC on June 3, 2024). 3.1 Articles of Incorporation (Incorporated by reference to Exhibit 3.1 to the Form 10-SB filed with the SEC on December 18, 2007). 3.2 Certificate of Amendment to the Articles of Incorporation (Incorporated by reference to Appendix A to the Definitive Schedule 14C filed with the SEC on October 16, 2009). 3.3 Certificate of Amendment to the Articles of Incorporation (Incorporated by reference to Exhibit A to the Definitive Schedule 14C filed with the SEC on April 16, 2012). 3.4 Amended and Restated Bylaws (Incorporated by reference to Exhibit 3.1 to the Form 8-K filed with the SEC on March 7, 2025). 3.5 Certificate of Designation of Preferences, Rights and Limitations of Series A Convertible Preferred Stock of the Company dated March 14, 2014 (Incorporated by reference to Exhibit 3.1 to the Form 8-K filed with the SEC on March 18, 2014). 3.6 Certificate of Amendment to the Articles of Incorporation, dated September 8, 2015 (Incorporated by reference to Exhibit 3.6 to the Form 10-K filed with the SEC on March 30, 2016). 3.7 Certificate of Designation of Preferences, Rights and Limitations of Series B Convertible Preferred Stock of the Company dated January 12, 2016 (Incorporated by reference to Exhibit 3.1 to the Form 8-K filed with the SEC on January 19, 2016). 3.8 Certificate of Designation of Preferences, Rights and Limitations of Series C Convertible Preferred Stock of the Company dated January 31, 2020 (Incorporated by reference to Exhibit 3.1 to the Form 8-K filed with the SEC on February 6, 2020). 3.9 Certificate of Designation of Series D Convertible Preferred Stock (Incorporated by reference to Exhibit 3.1 to the Form 8-K filed with the SEC on May 20, 2020). 3.10 Certificate of Amendment of the Articles of Incorporation (Incorporated by reference to Exhibit 3.1 to the Form 8-K filed with the SEC on January 5, 2021). 3.11 Certificate of Amendment of the Articles of Incorporation, dated January 31, 2023 (Incorporated by reference to Exhibit 3.12 to the Form S-1/A filed with the SEC on January 31, 2023). 3.12 Certificate of Amendment of the Articles of Incorporation, effective as of October 18, 2024 (Incorporated by reference to Exhibit 3.1 to the Form 8-K filed with the SEC on October 18, 2024). 31.1* Rule 13a-14(a)/15d-14(a) Certification of the Chief Executive Officer. 26 Table of Contents 31.2* Rule 13a-14(a)/15d-14(a) Certification of the Chief Financial Officer. 32.1* Section 1350 Certification of the Principal Executive Officer. 32.2* Section 1350 Certification of the Chief Financial Officer. 101.INS* XBRL Instance. 101.SCH* XBRL Taxonomy Extension Schema. 101.CAL* XBRL Taxonomy Extension Calculation. 101.DEF* XBRL Taxonomy Extension Definition. 101.LAB* XBRL Taxonomy Extension Labels. 101.PRE* XBRL Taxonomy Extension Presentation. 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101). * Filed herewith. 27 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. SANUWAVE HEALTH, INC. Dated: May 12, 2026 By: /s/ Morgan Frank Morgan Frank Chief Executive Officer (Duly Authorized Officer and Principal Executive Officer) Dated: May 12, 2026 By: /s/ Peter Sorensen Peter Sorensen Chief Financial Officer (Principal Financial and Accounting Officer) 28