---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-085172"
form_type: "8-K"
ticker: null
cik: "0000786947"
company_name: "ACURA PHARMACEUTICALS, INC"
filed_at: "2023-07-28T23:59:59+00:00"
generated_at: "2026-06-12T23:25:50.785924+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Acura Pharmaceuticals appoints PKF Mueller as new independent auditor for FY2022

## Summary
- Audit Committee approved PKF Mueller as new independent registered public accounting firm on July 21, 2023.
- PKF Mueller formally engaged on July 27, 2023 to audit fiscal year ending December 31, 2022.
- No consultations with PKF Mueller on accounting principles or audit opinions prior to appointment.
- No reportable disagreements or reportable events with predecessor auditor exist.

## SEC filing metadata
- accession: 0001104659-23-085172
- form_type: 8-K
- cik: 0000786947
- company_name: ACURA PHARMACEUTICALS, INC
- filed_at: 2023-07-28T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 4.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/786947/000110465923085172/0001104659-23-085172-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/786947/000110465923085172/tm2322281d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-085172
- JSON: https://secwatch.observer/filing/0001104659-23-085172.json
- Plain text: https://secwatch.observer/filing/0001104659-23-085172.txt

## Key facts
- Auditor Changes
  ACURA PHARMACEUTICALS, INC engaged PKF Mueller as its auditor.
  - Action: engagement
  - Auditor: PKF Mueller
  source text: On July 21, 2023, the Audit Committee approved the appointment of PKF Mueller as the Company’s new independent registered public accounting firm, to perform independent audit services for the fiscal year ending December 31, 2022. PKF Mueller was formally engaged on July 27, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/786947/000110465923085172/0001104659-23-085172-index.htm

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