---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-007846"
form_type: "8-K"
ticker: null
cik: "0001029744"
company_name: "SONIC FOUNDRY INC"
filed_at: "2024-03-14T23:59:59+00:00"
generated_at: "2026-06-04T18:39:33.445983+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Sonic Foundry's independent auditor Wipfli resigns effective March 10, 2024

## Summary
- Wipfli resigned as Sonic Foundry's auditor on March 10, 2024 due to substantial unpaid fees and inability to complete the Form 10-Q review for the period ended December 31, 2023.
- The resignation letter also cited board member Burish's resignation and management's indication that the company is considering options related to ongoing operations.
- There were no disagreements with Wipfli on accounting matters during fiscal years 2022 and 2023, but a material weakness in internal control over revenue recognition was previously reported.
- Sonic Foundry filed the resignation letter from Wipfli as Exhibit 16.1 to this Form 8-K.

## SEC filing metadata
- accession: 0001437749-24-007846
- form_type: 8-K
- cik: 0001029744
- company_name: SONIC FOUNDRY INC
- filed_at: 2024-03-14T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1029744/000143774924007846/0001437749-24-007846-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1029744/000143774924007846/sofo20240314_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-007846
- JSON: https://secwatch.observer/filing/0001437749-24-007846.json
- Plain text: https://secwatch.observer/filing/0001437749-24-007846.txt

## Key facts
- Auditor Changes
  Wipfli, LLP resigned as auditor of SONIC FOUNDRY INC.
  - Action: resignation
  - Auditor: Wipfli, LLP
  source text: On March 10, 2024, Sonic Foundry, Inc. (the "Company"), received a letter from its independent auditor, Wipfli, LLP ("Wipfli") that they were resigning as the independent registered public accountants for the Company effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1029744/000143774924007846/0001437749-24-007846-index.htm

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