| Date of Report (Date of earliest event reported) | |||||
| (Exact name of registrant as specified in its charter) | ||
| (State or other jurisdiction of incorporation) | (Commission File Number) | (IRS Employer Identification No.) | ||||||
| (Address of principal executive offices) | (Zip Code) | ||||||||||
| Registrant’s telephone number, including area code | ||||||||
| N/A | ||
| (Former name or former address, if changed since last report) | ||
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) | |||||
| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) | |||||
| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) | |||||
| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) | |||||
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered | ||||||
| Common stock, par value $0.001 per share | SNWV | The Nasdaq Stock Market LLC | ||||||
Exhibit No. | Description | |||||||
| Press Release dated November 7, 2025 | ||||||||
| 104 | Cover Page Interactive Data File--the cover page XBRL tags are embedded within the Inline XBRL document. | |||||||
| SANUWAVE HEALTH, INC. | ||||||||
| Dated: November 7, 2025 | By: | /s/ Peter Sorensen | ||||||
| Name: | Peter Sorensen | |||||||
| Title: | Chief Financial Officer | |||||||

| Three Months Ended September 30, | Six Months Ended September 30, | ||||||||||||||||||||||||||||
| (in thousands) | 2025 | 2024 | 2025 | 2024 | |||||||||||||||||||||||||
| Revenue | $ | 11,451 | $ | 9,360 | $ | 30,957 | $ | 22,308 | |||||||||||||||||||||
| Cost of Revenues | 2,526 | 2,293 | 6,690 | 5,799 | |||||||||||||||||||||||||
| Gross Margin | 8,925 | 7,067 | 24,267 | 16,509 | |||||||||||||||||||||||||
| Gross Margin % | 77.9 | % | 75.5 | % | 78.4 | % | 74.0 | % | |||||||||||||||||||||
| Total operating expenses | 7,458 | 5,114 | 19,937 | 13,614 | |||||||||||||||||||||||||
| Operating Income | $ | 1,467 | $ | 1,953 | $ | 4,330 | $ | 2,895 | |||||||||||||||||||||
| Total other income (expense) | 8,858 | (22,610) | 1,374 | (21,519) | |||||||||||||||||||||||||
| Net Income (Loss) | $ | 10,325 | $ | (20,657) | $ | 5,704 | $ | (18,624) | |||||||||||||||||||||
| Three Months Ended September 30, | Nine Months Ended September 30, | ||||||||||||||||||||||
| (in thousands) | 2025 | 2024 | 2025 | 2024 | |||||||||||||||||||
| Net Income (Loss) | $ | 10,325 | $ | (20,657) | $ | 5,704 | $ | (18,624) | |||||||||||||||
| Non-GAAP Adjustments: | |||||||||||||||||||||||
| Interest expense | 1,722 | 3,661 | 5,448 | 11,004 | |||||||||||||||||||
| Depreciation and amortization | 329 | 256 | 902 | 736 | |||||||||||||||||||
| EBITDA | 12,376 | (16,740) | 12,054 | (6,884) | |||||||||||||||||||
| Non-GAAP Adjustments for Adjusted EBITDA: | |||||||||||||||||||||||
| Change in fair value of derivative liabilities | (6,097) | 18,849 | (2,186) | 17,633 | |||||||||||||||||||
| Other non-cash or infrequent charges: | |||||||||||||||||||||||
| Stock-based compensation | 1,397 | - | 3,513 | - | |||||||||||||||||||
| Loss (Gain) on extinguishment of debt | 477 | - | 477 | (5,205) | |||||||||||||||||||
| Loss on impairment of assets | 196 | - | 196 | - | |||||||||||||||||||
| Severance agreement and legal settlement | 113 | - | 113 | 585 | |||||||||||||||||||
| Release of historical accrued expenses | - | - | - | (579) | |||||||||||||||||||
| Gain on license and option agreement | (5,000) | - | (5,000) | (2,500) | |||||||||||||||||||
| Prepaid legal fees expensed from termination of Merger Agreement | - | - | - | 457 | |||||||||||||||||||
| Adjusted EBITDA | $ | 3,462 | $ | 2,109 | $ | 9,167 | $ | 3,507 | |||||||||||||||
(In thousands, except share data) | September 30, 2025 | December 31, 2024 | |||||||||
| ASSETS | |||||||||||
| Current Assets: | |||||||||||
| Cash and cash equivalents | $ | 9,602 | $ | 10,237 | |||||||
Accounts receivable, net of allowance of $1,259 and $1,147, respectively | 4,620 | 3,329 | |||||||||
| Inventory | 6,814 | 4,149 | |||||||||
| Prepaid expenses and other current assets | 1,597 | 682 | |||||||||
| Total Current Assets | 22,633 | 18,397 | |||||||||
| Non-Current Assets: | |||||||||||
| Property and equipment, net | 1,994 | 303 | |||||||||
| Right of use assets, net | 431 | 429 | |||||||||
| Intangible assets, net | 3,202 | 3,730 | |||||||||
| Goodwill | 7,260 | 7,260 | |||||||||
| Secured revolving credit facility debt issuance costs, net | 79 | - | |||||||||
| Total Non-Current Assets | 12,966 | 11,722 | |||||||||
| Total Assets | $ | 35,599 | $ | 30,119 | |||||||
| LIABILITIES | |||||||||||
| Current Liabilities: | |||||||||||
| Current portion of secured term loan | $ | 5,629 | $ | - | |||||||
| Senior secured debt | - | 25,305 | |||||||||
| Accounts payable | 3,992 | 3,728 | |||||||||
| Accrued expenses | 3,586 | 4,678 | |||||||||
| Warrant liability | 5,921 | 8,107 | |||||||||
| Current portion of operating lease liabilities | 191 | 126 | |||||||||
| Current portion of finance lease liabilities | - | 175 | |||||||||
| Current portion of contract liabilities | 252 | 193 | |||||||||
| Other | 6 | 33 | |||||||||
| Total Current Liabilities | 19,577 | 42,345 | |||||||||
| Non-current Liabilities: | |||||||||||
| Secured term loan, net of current portion and debt issuance costs | 17,079 | - | |||||||||
Secured revolving credit facility | 655 | - | |||||||||
| Operating lease liabilities, less current portion | 897 | 125 | |||||||||
| Finance lease liabilities, less current portion | - | 66 | |||||||||
| Contract liabilities, less current portion | 322 | 300 | |||||||||
| Total Non-current Liabilities | 18,953 | 491 | |||||||||
| Total Liabilities | $ | 38,530 | $ | 42,836 | |||||||
| STOCKHOLDERS’ DEFICIT | |||||||||||
Preferred Stock, par value $0.001, 5,000,000 shares authorized; 6,175 shares Series A, 293 shares Series B, 90 shares Series C and 8 shares Series D designated, respectively; no shares issued and outstanding at September 30, 2025 and December 31, 2024 | $ | - | $ | - | |||||||
Common stock, par value $0.001, 2,500,000,000 shares authorized; 8,576,164 and 8,543,686 issued and outstanding at September 30, 2025 and December 31, 2024, respectively | 9 | 9 | |||||||||
| Additional paid-in capital | 242,767 | 238,685 | |||||||||
| Accumulated deficit | (245,717) | (251,421) | |||||||||
| Accumulated other comprehensive loss | 10 | 10 | |||||||||
| Total Stockholders’ Deficit | (2,931) | (12,717) | |||||||||
| Total Liabilities and Stockholders’ Deficit | $ | 35,599 | $ | 30,119 | |||||||
| (In thousands, except share and per share data) | Three Months Ended September 30, | Nine Months Ended September 30, | |||||||||||||||||||||
| 2025 | 2024 | 2025 | 2024 | ||||||||||||||||||||
| Revenue | $ | 11,451 | $ | 9,360 | $ | 30,957 | $ | 22,308 | |||||||||||||||
| Cost of Revenues | 2,526 | 2,293 | 6,690 | 5,799 | |||||||||||||||||||
| Gross Margin | 8,925 | 7,067 | 24,267 | 16,509 | |||||||||||||||||||
| Operating Expenses: | |||||||||||||||||||||||
| General and administrative | 4,810 | 2,545 | 13,316 | 8,059 | |||||||||||||||||||
| Selling and marketing | 2,081 | 2,202 | 5,286 | 4,468 | |||||||||||||||||||
| Research and development | 345 | 161 | 747 | 519 | |||||||||||||||||||
| Depreciation and amortization | 222 | 206 | 588 | 568 | |||||||||||||||||||
| Total Operating Expenses | 7,458 | 5,114 | 19,937 | 13,614 | |||||||||||||||||||
| Operating Income | 1,467 | 1,953 | 4,330 | 2,895 | |||||||||||||||||||
| Other Income (Expense): | |||||||||||||||||||||||
| Interest expense | (1,722) | (3,315) | (5,448) | (9,948) | |||||||||||||||||||
| Interest expense, related party | - | (346) | - | (1,056) | |||||||||||||||||||
| Gain (Loss) on extinguishment of debt | (477) | - | (477) | 5,205 | |||||||||||||||||||
| Change in fair value of derivative liabilities | 6,097 | (18,849) | 2,186 | (17,633) | |||||||||||||||||||
| Loss on impairment of assets | (196) | - | (196) | - | |||||||||||||||||||
| Other expense | (14) | (106) | (42) | (893) | |||||||||||||||||||
Other income | 5,170 | 6 | 5,351 | 2,806 | |||||||||||||||||||
| Total Other Income (Expense) | 8,858 | (22,610) | 1,374 | (21,519) | |||||||||||||||||||
| Net Income (Loss) | 10,325 | (20,657) | 5,704 | (18,624) | |||||||||||||||||||
| Other Comprehensive Income (Loss) | |||||||||||||||||||||||
| Foreign currency translation adjustment | - | - | - | 121 | |||||||||||||||||||
| Total Comprehensive Income (Loss) | $ | 10,325 | $ | (20,657) | $ | 5,704 | $ | (18,503) | |||||||||||||||
| Earnings (Loss) per Share: | |||||||||||||||||||||||
| Basic | $ | 1.20 | $ | (6.49) | $ | 0.67 | $ | (5.92) | |||||||||||||||
| Diluted | $ | 0.46 | $ | (6.49) | $ | 0.38 | $ | (5.92) | |||||||||||||||
| Weighted average shares outstanding | |||||||||||||||||||||||
| Basic | 8,571,111 | 3,185,495 | 8,560,174 | 3,146,000 | |||||||||||||||||||
| Diluted | 9,140,668 | 3,185,495 | 9,178,144 | 3,146,000 | |||||||||||||||||||
| Three Months Ended September 30, 2025 | ||||||||||||||||||||||||||||||||||||||
| Common Stock | ||||||||||||||||||||||||||||||||||||||
| Number of Shares Issued and Outstanding | Par Value | Additional Paid- in Capital | Accumulated Deficit | Accumulated Other Comprehensive Loss | Total | |||||||||||||||||||||||||||||||||
| Balances as of June 30, 2025 | 8,568,005 | $ | 9 | $ | 241,248 | $ | (256,042) | $ | 10 | $ | (14,775) | |||||||||||||||||||||||||||
| Stock-based compensation | - | - | 1,397 | - | - | 1,397 | ||||||||||||||||||||||||||||||||
| Stock options exercised | 8,159 | - | 122 | - | - | 122 | ||||||||||||||||||||||||||||||||
Net income | - | - | - | 10,325 | - | 10,325 | ||||||||||||||||||||||||||||||||
| Balances as of September 30, 2025 | 8,576,164 | $ | 9 | $ | 242,767 | $ | (245,717) | $ | 10 | $ | (2,931) | |||||||||||||||||||||||||||
| Three Months Ended September 30, 2024 | ||||||||||||||||||||||||||||||||||||||
| Common Stock | ||||||||||||||||||||||||||||||||||||||
| Number of Shares Issued and Outstanding | Par Value | Additional Paid- in Capital | Accumulated Deficit | Accumulated Other Comprehensive Loss | Total | |||||||||||||||||||||||||||||||||
| Balances as of June 30, 2024 | 3,150,062 | $ | 3 | $ | 178,397 | $ | (218,016) | $ | 10 | $ | (39,606) | |||||||||||||||||||||||||||
Net loss | - | - | - | (20,657) | - | (20,657) | ||||||||||||||||||||||||||||||||
| Balances as of September 30, 2024 | 3,150,062 | $ | 3 | $ | 178,397 | $ | (238,673) | $ | 10 | $ | (60,263) | |||||||||||||||||||||||||||
| Nine Months Ended September 30, 2025 | ||||||||||||||||||||||||||||||||||||||
| Common Stock | ||||||||||||||||||||||||||||||||||||||
| Number of Shares Issued and Outstanding | Par Value | Additional Paid- in Capital | Accumulated Deficit | Accumulated Other Comprehensive Loss | Total | |||||||||||||||||||||||||||||||||
| Balances as of December 31, 2024 | 8,543,686 | $ | 9 | $ | 238,685 | $ | (251,421) | $ | 10 | $ | (12,717) | |||||||||||||||||||||||||||
| Stock-based compensation | 4,787 | - | 3,630 | - | - | 3,630 | ||||||||||||||||||||||||||||||||
| Stock options exercised | 25,167 | - | 375 | - | - | 375 | ||||||||||||||||||||||||||||||||
| Shares granted in lieu of board of director fees | 2,524 | - | 77 | - | - | 77 | ||||||||||||||||||||||||||||||||
| Net income | - | - | - | 5,704 | - | 5,704 | ||||||||||||||||||||||||||||||||
| Balances as of September 30, 2025 | 8,576,164 | $ | 9 | $ | 242,767 | $ | (245,717) | $ | 10 | $ | (2,931) | |||||||||||||||||||||||||||
| Nine Months Ended September 30, 2024 | ||||||||||||||||||||||||||||||||||||||
| Common Stock | ||||||||||||||||||||||||||||||||||||||
| Number of Shares Issued and Outstanding | Par Value | Additional Paid- in Capital | Accumulated Deficit | Accumulated Other Comprehensive Loss | Total | |||||||||||||||||||||||||||||||||
| Balances as of December 31, 2023 | 3,041,492 | $ | 3 | $ | 176,979 | $ | (220,049) | $ | (111) | $ | (43,178) | |||||||||||||||||||||||||||
| Shares issued for settlement of warrants | 14,440 | - | 6 | - | - | 6 | ||||||||||||||||||||||||||||||||
| Shares issued for settlement of debt | 94,130 | - | 1,412 | - | - | 1,412 | ||||||||||||||||||||||||||||||||
| Foreign currency translation adjustment | - | - | - | - | 121 | 121 | ||||||||||||||||||||||||||||||||
| Net loss | - | - | - | (18,624) | - | (18,624) | ||||||||||||||||||||||||||||||||
| Balances as of September 30, 2024 | 3,150,062 | $ | 3 | $ | 178,397 | $ | (238,673) | $ | 10 | $ | (60,263) | |||||||||||||||||||||||||||
| Nine Months Ended September 30, | |||||||||||
| (in thousands) | 2025 | 2024 | |||||||||
| Cash Flows - Operating Activities: | |||||||||||
| Net income (loss) | $ | 5,704 | $ | (18,624) | |||||||
| Adjustments to reconcile net income to net cash (used in) provided by operating activities | |||||||||||
| Stock-based compensation | 3,513 | - | |||||||||
| Depreciation and amortization | 634 | 570 | |||||||||
| Amortization of right-of-use assets | 268 | 268 | |||||||||
| Allowance for credit losses | 112 | 16 | |||||||||
| Loss on disposal and impairment of assets | 210 | - | |||||||||
| Loss (Gain) on extinguishment of debt | 477 | (5,205) | |||||||||
| Change in fair value of derivative liabilities | (2,186) | 17,633 | |||||||||
| Gain on sale of patents | (5,000) | - | |||||||||
| Amortization of debt issuance costs and debt discounts | 1,416 | 4,792 | |||||||||
| Gain on lease modification | (7) | - | |||||||||
| Accrued interest and accrued interest, related party | - | 2,749 | |||||||||
| Proceeds from tenant improvement funds | 586 | - | |||||||||
| Changes in operating assets and liabilities | |||||||||||
| Accounts receivable | (1,387) | 66 | |||||||||
| Inventory | (2,665) | (480) | |||||||||
| Prepaid expenses and other assets | (1,009) | 225 | |||||||||
| Accounts payable | 264 | (1,013) | |||||||||
| Accrued expenses and contract liabilities | (294) | 819 | |||||||||
| Operating lease payments | (79) | (102) | |||||||||
| Net Cash Flows Provided by Operating Activities | 557 | 1,714 | |||||||||
| Cash Flows - Investing Activities: | |||||||||||
Purchase of property and equipment | (1,846) | (254) | |||||||||
Proceeds from sale of patents | 5,000 | - | |||||||||
| Net Cash Flows Provided by (Used in) Investing Activities | 3,154 | (254) | |||||||||
| Cash Flows - Financing Activities: | |||||||||||
| Proceeds from secured term loan | 23,000 | - | |||||||||
| Proceeds from secured revolving credit facility | 655 | - | |||||||||
| Payment of debt issuance costs | (371) | - | |||||||||
| Proceeds from exercises of stock options | 359 | - | |||||||||
| Payment of note payable | (27,747) | (2,175) | |||||||||
| Proceeds from convertible notes payable | - | 1,300 | |||||||||
| Proceeds from promissory note payable, related party | - | 500 | |||||||||
| Proceeds from factoring, net | - | 449 | |||||||||
| Payments of principal on finance lease and extinguishment of lease liability | (242) | (193) | |||||||||
| Net Cash Flows Used in Financing Activities | (4,346) | (119) | |||||||||
| Effect of Exchange Rates on Cash | - | 121 | |||||||||
| Net Change in Cash During Period | (635) | 1,462 | |||||||||
Cash at Beginning of Period | 10,237 | 1,797 | |||||||||
Cash at End of Period | $ | 9,602 | $ | 3,259 | |||||||
| Supplemental Information: | |||||||||||
| Cash paid for interest | $ | 3,291 | $ | 3,189 | |||||||
| Non-cash Investing and Financing Activities: | |||||||||||
| Capitalize interest into senior secured debt | 549 | 3,850 | |||||||||
| Shares granted in lieu of board of director fees | 77 | - | |||||||||
| Stock options granted in lieu of cash bonus | 117 | - | |||||||||
| Right-of-use assets obtained in exchange for lease liabilities | 430 | - | |||||||||
| Lease liabilities reduced upon lease modification | 99 | - | |||||||||
| RSUs granted in exchange for services | 10 | - | |||||||||
| Warrants issued in conjunction with convertible promissory notes | - | 3,633 | |||||||||
| Conversion of asset-backed secured promissory notes to convertible promissory notes | - | 4,584 | |||||||||
| Shares issued for settlement of debt | - | 1,412 | |||||||||
| Write off deferred merger costs | - | 1,226 | |||||||||