---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-019543"
form_type: "8-K"
ticker: "USIO"
cik: "0001088034"
company_name: "Usio, Inc."
filed_at: "2025-06-05T23:59:59+00:00"
generated_at: "2026-05-19T19:39:44.458889+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Usio appoints WithumSmith+Brown as new independent auditor after PKF Texas partners join Withum

## Summary
- PKF Texas partners became partners of WithumSmith+Brown PC, prompting auditor change.
- PKF Texas audit report for FY 2024 had no adverse opinion or qualification.
- No disagreements or reportable events in connection with PKF Texas audit through June 2025.
- Appointment of Withum approved by audit committee; no prior consultations on accounting matters.
- Usio provided PKF Texas disclosures; PKF Texas agreed in letter filed as Exhibit 16.1.

## SEC filing metadata
- accession: 0001437749-25-019543
- form_type: 8-K
- ticker: USIO
- cik: 0001088034
- company_name: Usio, Inc.
- filed_at: 2025-06-05T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1088034/000143774925019543/0001437749-25-019543-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1088034/000143774925019543/usio20250603_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-019543
- JSON: https://secwatch.observer/filing/0001437749-25-019543.json
- Plain text: https://secwatch.observer/filing/0001437749-25-019543.txt

## Key facts
- Auditor Changes
  Usio, Inc. engaged WithumSmith+Brown PC as its auditor.
  - Action: engagement
  - Auditor: WithumSmith+Brown PC
  source text: On June 1, 2025, WithumSmith+Brown PC was appointed as the Company’s new independent registered public accounting firm.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1088034/000143774925019543/0001437749-25-019543-index.htm

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