---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-021512"
form_type: "8-K"
ticker: "MLSS"
cik: "0000855683"
company_name: "MILESTONE SCIENTIFIC INC."
filed_at: "2026-05-06T23:59:59+00:00"
generated_at: "2026-05-14T23:04:28.038465+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Milestone Scientific dismisses auditor CBIZ; engages Grassi & Co. effective May 15, 2026

## Summary
- CBIZ CPAs' 2025 audit report included a going concern explanatory paragraph about substantial doubt.
- No disagreements or reportable events during 2025 or interim period through April 30, 2026.
- New auditor Grassi & Co. engaged for fiscal year ending Dec 31, 2026, approved by Audit Committee.
- CBIZ had become auditor in April 2025 via acquisition of Marcum LLP's attest business.

## SEC filing metadata
- accession: 0001493152-26-021512
- form_type: 8-K
- ticker: MLSS
- cik: 0000855683
- company_name: MILESTONE SCIENTIFIC INC.
- filed_at: 2026-05-06T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/855683/000149315226021512/0001493152-26-021512-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/855683/000149315226021512/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-021512
- JSON: https://secwatch.observer/filing/0001493152-26-021512.json
- Plain text: https://secwatch.observer/filing/0001493152-26-021512.txt

## Source-grounded claims
- claim_id: 5ccd0602827f189d1125c6faba2ddb251947c343
  claim: MILESTONE SCIENTIFIC INC. engaged Grassi & Co., CPAs, P.C. as its auditor.
  evidence_excerpt: The Company engaged Grassi & Co., CPAs, P.C. to be the independent registered public accounting firm to the Company for
  evidence_url: https://www.sec.gov/Archives/edgar/data/855683/000149315226021512/0001493152-26-021512-index.htm
- claim_id: 80c8774df82e02f74a8105fe9e7b326e5a19fdea
  claim: MILESTONE SCIENTIFIC INC. dismissed CBIZ CPAs P.C. as its auditor.
  evidence_excerpt: (the “Company”) approved the dismissal of CBIZ CPAs P.C. (“CBIZ CPAs”) as the independent registered public accounting firm to the Company effective as of May 15,
  evidence_url: https://www.sec.gov/Archives/edgar/data/855683/000149315226021512/0001493152-26-021512-index.htm

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