---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-076834"
form_type: "8-K"
ticker: "MRKR"
cik: "0001094038"
company_name: "Marker Therapeutics, Inc."
filed_at: "2025-08-12T23:59:59+00:00"
generated_at: "2026-05-17T14:15:11.796688+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Marker Therapeutics changes auditor from Marcum to CBIZ CPAs; no disagreements

## Summary
- Marcum LLP resigned as auditor on August 6, 2025; CBIZ CPAs engaged for FY 2025.
- Marcum's prior reports contained a going concern explanatory paragraph but no adverse opinions.
- No disagreements or reportable events occurred during Marcum's tenure through 2025.
- Change follows CBIZ's acquisition of Marcum's attest business effective November 1, 2024.

## SEC filing metadata
- accession: 0001104659-25-076834
- form_type: 8-K
- ticker: MRKR
- cik: 0001094038
- company_name: Marker Therapeutics, Inc.
- filed_at: 2025-08-12T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1094038/000110465925076834/0001104659-25-076834-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1094038/000110465925076834/tm2421372d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-076834
- JSON: https://secwatch.observer/filing/0001104659-25-076834.json
- Plain text: https://secwatch.observer/filing/0001104659-25-076834.txt

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