---
schema_version: "secwatch.filing_event.v1"
accession: "0001641172-25-026757"
form_type: "8-K"
ticker: "IVF"
cik: "0001417926"
company_name: "INVO Fertility, Inc."
filed_at: "2025-09-05T23:59:59+00:00"
generated_at: "2026-05-17T07:55:24.680797+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# INVO Fertility dismisses M&K, appoints Withum as new auditor

## Summary
- M&K dismissed effective Sept 5, 2025; audit committee approved change.
- Withum appointed as independent auditor effective same date.
- M&K's 2023 and 2024 audit reports expressed substantial doubt about going concern.
- No disagreements or reportable events occurred during the past two fiscal years.
- M&K furnished a letter to the SEC, attached as Exhibit 16.1.

## SEC filing metadata
- accession: 0001641172-25-026757
- form_type: 8-K
- ticker: IVF
- cik: 0001417926
- company_name: INVO Fertility, Inc.
- filed_at: 2025-09-05T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1417926/000164117225026757/0001641172-25-026757-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1417926/000164117225026757/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001641172-25-026757
- JSON: https://secwatch.observer/filing/0001641172-25-026757.json
- Plain text: https://secwatch.observer/filing/0001641172-25-026757.txt

## Key facts
- Auditor Changes
  INVO Fertility, Inc. dismissed M&K CPAS, PLLC as its auditor.
  - Action: dismissal
  - Auditor: M&K CPAS, PLLC
  - Successor: WithumSmith+Brown, PC
  source text: On September 3, 2025, INVO Fertility, Inc. (the “Company”) notified M&K CPAS, PLLC (“M&K”) of its dismissal, effective September 5, 2025, as the Company’s independent registered accounting firm.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1417926/000164117225026757/0001641172-25-026757-index.htm
- Auditor Changes
  INVO Fertility, Inc. engaged WithumSmith+Brown, PC as its auditor.
  - Action: engagement
  - Auditor: WithumSmith+Brown, PC
  source text: On September 5, 2025, the Audit Committee approved the engagement of WithumSmith+Brown, PC (“Withum”) effective immediately as the Company’s independent registered public accounting firm to audit the Company’s consolidated financial statements for the year ending December 31, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1417926/000164117225026757/0001641172-25-026757-index.htm

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