---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-017735"
form_type: "8-K"
ticker: "SNWV"
cik: "0001417663"
company_name: "SANUWAVE Health, Inc."
filed_at: "2026-03-13T23:59:59+00:00"
generated_at: "2026-05-15T12:28:09.704437+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# SANUWAVE Health restates prior financials due to sales tax liability of $4.9M-$5.2M

## Summary
- Audit committee determined non-reliance on quarterly and annual reports from March 2024 through September 2025.
- Expected aggregate increase in liabilities of $4.9M to $5.2M as of Dec 31, 2025.
- Expense increase of $1.6M-$1.8M for FY2024 and $1.7M-$1.9M for FY2025 including taxes, interest, penalties.
- Company evaluating whether additional material weaknesses in internal control over financial reporting exist.
- Restatement to be included in 2025 Form 10-K, which company expects to file timely.

## SEC filing metadata
- accession: 0001628280-26-017735
- form_type: 8-K
- ticker: SNWV
- cik: 0001417663
- company_name: SANUWAVE Health, Inc.
- filed_at: 2026-03-13T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 4.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1417663/000162828026017735/0001628280-26-017735-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1417663/000162828026017735/snwv-20260313.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-017735
- JSON: https://secwatch.observer/filing/0001628280-26-017735.json
- Plain text: https://secwatch.observer/filing/0001628280-26-017735.txt

## Source-grounded claims
- claim_id: 01b6d21e601089108d86c0c05b1a4d8e2b1421fd
  claim: SANUWAVE Health, Inc. reported that prior financial statements should not be relied upon.
  evidence_excerpt: the audit committee of the board of directors of the Company, after discussion with the Company’s management and with Baker Tilly US, LLP (“Baker Tilly”), the Company’s independent registered public accounting firm, and Marcum LLP (“Marcum”), the Company’s former independent registered public accounting firm, concluded that the following should no longer be relied upon
  evidence_url: https://www.sec.gov/Archives/edgar/data/1417663/000162828026017735/0001628280-26-017735-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.