---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-028990"
form_type: "8-K"
ticker: "ESMC"
cik: "0000862668"
company_name: "ESCALON MEDICAL CORP"
filed_at: "2025-04-04T23:59:59+00:00"
generated_at: "2026-05-23T21:56:32.001638+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Escalon Medical replaces auditor after Marcum resignation; prior reports flagged going concern and material weakness

## Summary
- Marcum LLP resigned as independent auditor on April 2, 2025; CBIZ CPAs P.C. appointed same day.
- No audit disagreements in fiscal 2023-2024; reports included going-concern explanatory paragraph.
- Company disclosed material weakness in internal controls over inventory valuation in prior 10-Ks.
- Marcum provided letter concurring with dismissal statement, filed as Exhibit 16.

## SEC filing metadata
- accession: 0001213900-25-028990
- form_type: 8-K
- ticker: ESMC
- cik: 0000862668
- company_name: ESCALON MEDICAL CORP
- filed_at: 2025-04-04T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/862668/000121390025028990/0001213900-25-028990-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/862668/000121390025028990/ea0237184-8k_escalon.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-028990
- JSON: https://secwatch.observer/filing/0001213900-25-028990.json
- Plain text: https://secwatch.observer/filing/0001213900-25-028990.txt

## Key facts
- Auditor Changes
  ESCALON MEDICAL CORP engaged CBIZ CPAs P.C. as its auditor.
  - Action: engagement
  - Auditor: CBIZ CPAs P.C.
  source text: Also on April 2, 2025, the Company, with the approval of the Audit Committee of the Company’s Board of Directors, engaged CBIZ CPAs P.C. as the Company’s independent registered public accounting firm.
  evidence_url: https://www.sec.gov/Archives/edgar/data/862668/000121390025028990/0001213900-25-028990-index.htm
- Auditor Changes
  Marcum LLP resigned as auditor of ESCALON MEDICAL CORP.
  - Action: resignation
  - Auditor: Marcum LLP
  - Successor: CBIZ CPAs P.C.
  source text: On April 2, 2025, Marcum informed Escalon Medical Corp. (the “Company”) that Marcum resigned as the Company’s independent registered public accounting firm.
  evidence_url: https://www.sec.gov/Archives/edgar/data/862668/000121390025028990/0001213900-25-028990-index.htm

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