---
schema_version: "secwatch.filing_event.v1"
accession: "0001641172-25-007596"
form_type: "8-K"
ticker: "STEX"
cik: "0001530766"
company_name: "Streamex Corp."
filed_at: "2025-04-30T23:59:59+00:00"
generated_at: "2026-05-23T02:17:19.767833+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# BioSig Tech auditor Marcum resigns; CBIZ CPAs appointed; material weaknesses cited

## Summary
- Marcum LLP resigned as BioSig's auditor on April 30, 2025; CBIZ CPAs P.C. engaged same day.
- Marcum's reports for FY2023 and FY2024 included going-concern explanatory paragraph but no adverse opinion.
- No disagreements with Marcum; reportable events: material weaknesses in internal control over stock-based compensation, period-end reporting, and segregation of duties.
- Material weaknesses previously disclosed in Form 10-K for fiscal years ended Dec 31, 2024 and 2023.

## SEC filing metadata
- accession: 0001641172-25-007596
- form_type: 8-K
- ticker: STEX
- cik: 0001530766
- company_name: Streamex Corp.
- filed_at: 2025-04-30T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1530766/000164117225007596/0001641172-25-007596-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1530766/000164117225007596/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001641172-25-007596
- JSON: https://secwatch.observer/filing/0001641172-25-007596.json
- Plain text: https://secwatch.observer/filing/0001641172-25-007596.txt

## Key facts
- Auditor Changes
  Streamex Corp. engaged CBIZ CPAs P.C. as its auditor.
  - Action: engagement
  - Auditor: CBIZ CPAs P.C.
  source text: Also on April 30, 2025, the Registrant, with the approval of the Audit Committee of the Registrant’s Board of Directors, engaged CBIZ CPAs P.C. as the Registrant’s independent registered public accounting firm.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1530766/000164117225007596/0001641172-25-007596-index.htm
- Auditor Changes
  Marcum LLP resigned as auditor of Streamex Corp..
  - Action: resignation
  - Auditor: Marcum LLP
  source text: On April 30, 2025, Marcum informed BioSig Technologies, Inc. (the “Registrant”) that Marcum resigned as the Registrant’s independent registered public accounting firm.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1530766/000164117225007596/0001641172-25-007596-index.htm

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