SANUWAVE Health, Inc.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of

the Securities Exchange Act of 1934

(Amendment No. )

Filed by the Registrant ☑

Filed by a Party other than the Registrant ☐

Check the appropriate box:

SANUWAVE Health, Inc.

(Name of Registrant as Specified in its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

SANUWAVE Health, Inc.

9600 W. 76 th Street, Suite 118

Eden Prairie, Minnesota 55344

NOTICE OF STOCKHOLDER MEETING

TO BE HELD ON June 11, 2026

TO THE STOCKHOLDERS OF SANUWAVE HEALTH, INC.:

NOTICE IS HEREBY GIVEN that the annual meeting (the “Stockholder Meeting”) of SANUWAVE Health, Inc., a Nevada corporation (“SANUWAVE,” “Sanuwave,” “we,” “us,” or the “Company”), will be held at 10:00 a.m., Central Time, on June 11, 2026. The Stockholder Meeting will be a virtual meeting conducted via live webcast. You are cordially invited to attend the Stockholder Meeting online by visiting https://www.virtualshareholdermeeting.com/SNWV2026 and using a control number assigned by Broadridge Financial Solutions, Inc. (“Broadridge”). The Stockholder Meeting will be held for the purpose of considering and voting on the proposals described below and in the accompanying proxy statement. To register and receive access to the virtual meeting, registered stockholders and beneficial stockholders (those holding shares through a stock brokerage account or by a bank or other holder of record) will need to follow the instructions applicable to them provided in the accompanying proxy statement.

At the Stockholder Meeting, stockholders will be asked to consider and vote on the following proposals:

Proposal 1 — Election of Directors — To elect five directors, Morgan Frank, Gregory Bazar, Jeffrey Blizard, Ian Miller and James Tyler, to serve until the 2027 annual meeting of stockholders;

Proposal 2 — Ratification of the Appointment of our Independent Registered Public Accounting Firm — To ratify the appointment of Baker Tilly US, LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2026; and

Proposal 3 — Advisory, Non-Binding Vote to Approve the Compensation Paid to our Named Executive Officers — To approve, in an advisory, non-binding vote, the compensation paid to our named executive officers.

The proposals being submitted for a vote at the Stockholder Meeting are more fully described in the accompanying proxy statement. We urge you to read carefully the accompanying proxy statement in its entirety, including the annexes.

The record date for the Stockholder Meeting is April 20, 2026 (the “Record Date”). Only stockholders of record at the close of business on the Record Date are entitled to notice of and to vote and have their votes counted at the Stockholder Meeting and any adjournments of the Stockholder Meeting.

Your vote is very important. To ensure your representation at the Stockholder Meeting, we encourage you to vote your shares via the Internet, by telephone, or if you received a paper copy of the proxy materials, by signing, dating and returning your proxy card or voting instruction form, as soon as possible to ensure your shares are voted regardless of whether you attend the Stockholder Meeting.

Thank you for your participation. We look forward to your continued support.

By Order of the Board of Directors,

/s/ Morgan C. Frank

Morgan C. Frank

Chairman of the Board of Directors and

Chief Executive Officer

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE

ANNUAL MEETING OF STOCKHOLDERS TO BE HELD ON JUNE 11, 2026

The notice of annual meeting of stockholders, proxy statement and 2025 Annual Report are available at https://www.virtualshareholdermeeting.com/SNWV2026.