---
schema_version: "secwatch.filing_event.v1"
accession: "0001171520-25-000029"
form_type: "8-K"
ticker: "SOTK"
cik: "0000806172"
company_name: "SONO TEK CORP"
filed_at: "2025-02-19T23:59:59+00:00"
generated_at: "2026-05-26T12:46:35.693628+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Sono-Tek replaces Marcum with CBIZ CPAs as independent auditor after acquisition

## Summary
- Marcum LLP resigned as independent auditor on Feb 17, 2025; CBIZ CPAs P.C. engaged same day.
- CBIZ acquired Marcum's attest business effective Nov 1, 2024; no prior disagreements with Marcum.
- Reports for FY 2024 and FY 2023 were unqualified; no adverse opinions or scope limitations.
- Company did not consult CBIZ on any accounting matter requiring disclosure in prior periods.

## SEC filing metadata
- accession: 0001171520-25-000029
- form_type: 8-K
- ticker: SOTK
- cik: 0000806172
- company_name: SONO TEK CORP
- filed_at: 2025-02-19T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/806172/000117152025000029/0001171520-25-000029-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/806172/000117152025000029/eps11774.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171520-25-000029
- JSON: https://secwatch.observer/filing/0001171520-25-000029.json
- Plain text: https://secwatch.observer/filing/0001171520-25-000029.txt

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