---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-054343"
form_type: "8-K"
ticker: "CPTKW"
cik: "0001827899"
company_name: "Crown PropTech Acquisitions"
filed_at: "2025-06-13T23:59:59+00:00"
generated_at: "2026-05-19T08:58:12.285070+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Crown PropTech Acquisitions: Auditor Marcum resigns, CBIZ CPAs engaged; material weaknesses noted.

## Summary
- Marcum LLP resigned as independent auditor on June 13, 2025; CBIZ CPAs P.C. appointed as successor for fiscal years 2023 and 2024.
- No disagreements on accounting principles or audit scope; material weaknesses in internal controls over complex financial instruments and accruals/reconciliations reported.
- Marcum furnished a letter to the SEC agreeing with the company's disclosures regarding the resignation.
- Financial statements expected to include explanatory paragraphs on going concern and material weaknesses but no adverse opinion.

## SEC filing metadata
- accession: 0001213900-25-054343
- form_type: 8-K
- ticker: CPTKW
- cik: 0001827899
- company_name: Crown PropTech Acquisitions
- filed_at: 2025-06-13T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1827899/000121390025054343/0001213900-25-054343-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1827899/000121390025054343/ea0245746-8k_crownprop.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-054343
- JSON: https://secwatch.observer/filing/0001213900-25-054343.json
- Plain text: https://secwatch.observer/filing/0001213900-25-054343.txt

## Key facts
- Auditor Changes
  Crown PropTech Acquisitions engaged CBIZ CPAs P.C. as its auditor.
  - Action: engagement
  - Auditor: CBIZ CPAs P.C.
  source text: On June 13, 2025, with the approval of the audit committee, CBIZ CPAs was engaged as the Company’s independent registered public accounting firm for the years ended December 31, 2023 and 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1827899/000121390025054343/0001213900-25-054343-index.htm
- Auditor Changes
  Marcum LLP resigned as auditor of Crown PropTech Acquisitions.
  - Action: resignation
  - Auditor: Marcum LLP
  - Successor: CBIZ CPAs P.C.
  source text: On June 13, 2025, Crown PropTech Acquisitions, a Cayman Islands exempted company (the “Company”), was notified that Marcum LLP (“Marcum”) resigned as the Company’s independent registered public accounting firm.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1827899/000121390025054343/0001213900-25-054343-index.htm

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