---
schema_version: "secwatch.filing_event.v1"
accession: "0001415684-23-000002"
form_type: "8-K"
ticker: null
cik: "0001415684"
company_name: "MusclePharm Corp"
filed_at: "2023-01-11T23:59:59+00:00"
generated_at: "2026-06-20T16:30:26.906053+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Auditor Moss Adams resigns; MusclePharm cites internal control weaknesses and going concern

## Summary
- Moss Adams resigned as independent accountant effective Jan 4, 2023.
- No disagreements with Moss Adams; however, material weaknesses in internal controls were reported.
- Moss Adams' April 2022 opinion included a going concern explanatory paragraph.
- Company restated 2021 annual and Q1 2022 financials; no filings made after March 31, 2022.
- Significant accounting staff turnover and lack of technical expertise cited as control deficiencies.

## SEC filing metadata
- accession: 0001415684-23-000002
- form_type: 8-K
- cik: 0001415684
- company_name: MusclePharm Corp
- filed_at: 2023-01-11T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 4.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1415684/000141568423000002/0001415684-23-000002-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1415684/000141568423000002/Form8K.txt

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001415684-23-000002
- JSON: https://secwatch.observer/filing/0001415684-23-000002.json
- Plain text: https://secwatch.observer/filing/0001415684-23-000002.txt

## Key facts
- Auditor Changes
  Moss Adams LLP resigned as auditor of MusclePharm Corp.
  - Action: resignation
  - Auditor: Moss Adams LLP
  source text: Effective January 4, 2023, Moss Adams LLP (Moss Adams) resigned as the Independent Public Accounting Firm for MusclePharm Corporation (the Company).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1415684/000141568423000002/0001415684-23-000002-index.htm

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