---
schema_version: "secwatch.filing_event.v1"
accession: "0001718939-25-000100"
form_type: "8-K"
ticker: "IDAI"
cik: "0001718939"
company_name: "T Stamp Inc"
filed_at: "2025-04-24T23:59:59+00:00"
generated_at: "2026-05-23T07:08:29.734404+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# T Stamp auditor Marcum resigns; CBIZ CPAs engaged; prior reports flagged going concern and material weaknesses.

## Summary
- Marcum LLP resigned as T Stamp's independent auditor on April 23, 2025; CBIZ CPAs appointed same day.
- Marcum's reports for FY 2024 and 2023 included a going concern explanatory paragraph.
- Material weaknesses in internal control over complex equity transactions were reported in 10-K for FY 2024.
- No reportable disagreements between T Stamp and Marcum during the covered periods.
- The change was approved by the Audit Committee and is effective immediately.

## SEC filing metadata
- accession: 0001718939-25-000100
- form_type: 8-K
- ticker: IDAI
- cik: 0001718939
- company_name: T Stamp Inc
- filed_at: 2025-04-24T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1718939/000171893925000100/0001718939-25-000100-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1718939/000171893925000100/idai-20250423.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001718939-25-000100
- JSON: https://secwatch.observer/filing/0001718939-25-000100.json
- Plain text: https://secwatch.observer/filing/0001718939-25-000100.txt

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