---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-035640"
form_type: "8-K"
ticker: "KTTA"
cik: "0001841330"
company_name: "Pasithea Therapeutics Corp."
filed_at: "2025-04-25T23:59:59+00:00"
generated_at: "2026-05-23T06:03:48.840991+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Pasithea Therapeutics dismisses Marcum, engages CBIZ as new auditor

## Summary
- Marcum LLP dismissed as auditor Apr 23, 2025; CBIZ CPAs P.C. engaged for FY2025.
- Change follows CBIZ's acquisition of Marcum's attest business effective Nov 1, 2024.
- No accounting disagreements; only reportable event was a remediated tax provision material weakness.
- Marcum's reports for FY2023 and FY2024 included going concern emphasis.

## SEC filing metadata
- accession: 0001213900-25-035640
- form_type: 8-K
- ticker: KTTA
- cik: 0001841330
- company_name: Pasithea Therapeutics Corp.
- filed_at: 2025-04-25T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1841330/000121390025035640/0001213900-25-035640-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1841330/000121390025035640/ea0239405-8k_pasithea.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-035640
- JSON: https://secwatch.observer/filing/0001213900-25-035640.json
- Plain text: https://secwatch.observer/filing/0001213900-25-035640.txt

## Key facts
- Auditor Changes
  Pasithea Therapeutics Corp. engaged CBIZ CPAs P.C. as its auditor.
  - Action: engagement
  - Auditor: CBIZ CPAs P.C.
  source text: with the approval of the Audit Committee of the Company's Board of Directors, engaged CBIZ as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2025
  evidence_url: https://www.sec.gov/Archives/edgar/data/1841330/000121390025035640/0001213900-25-035640-index.htm
- Auditor Changes
  Pasithea Therapeutics Corp. dismissed Marcum LLP as its auditor.
  - Action: dismissal
  - Auditor: Marcum LLP
  source text: On April 23, 2025, the Company dismissed Marcum as the Company's independent registered accounting firm
  evidence_url: https://www.sec.gov/Archives/edgar/data/1841330/000121390025035640/0001213900-25-035640-index.htm

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