---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-045153"
form_type: "8-K/A"
ticker: "RMTI"
cik: "0001041024"
company_name: "ROCKWELL MEDICAL, INC."
filed_at: "2023-04-14T23:59:59+00:00"
generated_at: "2026-06-17T01:46:39.317440+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Rockwell Medical dismisses Marcum, appoints Eisner as new auditor effective April 10, 2023

## Summary
- Board dismissed Marcum LLP as independent auditor effective April 10, 2023.
- Eisner appointed as new independent registered public accounting firm for FY 2023.
- No disagreements or reportable events occurred during Marcum's tenure in FY 2021 and 2022.
- Auditor change follows a competitive process led by the Board and Audit Committee.

## SEC filing metadata
- accession: 0001104659-23-045153
- form_type: 8-K/A
- ticker: RMTI
- cik: 0001041024
- company_name: ROCKWELL MEDICAL, INC.
- filed_at: 2023-04-14T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1041024/000110465923045153/0001104659-23-045153-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1041024/000110465923045153/tm2312863d1_8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-045153
- JSON: https://secwatch.observer/filing/0001104659-23-045153.json
- Plain text: https://secwatch.observer/filing/0001104659-23-045153.txt

## Key facts
- Auditor Changes
  ROCKWELL MEDICAL, INC. engaged Eisner as its auditor.
  - Action: engagement
  - Auditor: Eisner
  source text: On April 7, 2023, the Board appointed Eisner as its new independent registered public accounting firm for the year ended December 31, 2023, effective April 10, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1041024/000110465923045153/0001104659-23-045153-index.htm
- Auditor Changes
  ROCKWELL MEDICAL, INC. dismissed Marcum, LLP as its auditor.
  - Action: dismissal
  - Auditor: Marcum, LLP
  - Successor: Eisner
  source text: on April 7, 2023, the Board, upon recommendation of the Audit Committee of the Board, dismissed Marcum, LLP ("Marcum") as the Company’s independent registered public accounting firm, effective April 10, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1041024/000110465923045153/0001104659-23-045153-index.htm

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