---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-100515"
form_type: "8-K"
ticker: "KTTA"
cik: "0001841330"
company_name: "Pasithea Therapeutics Corp."
filed_at: "2026-09-16T20:06:04+00:00"
generated_at: "2026-09-16T20:07:23.105481+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Pasithea warrants expire Sept 17, 2026; will cease trading and be delisted

## Summary
- Warrants (KTTAW) expire on September 17, 2026; unexercised warrants become worthless.
- Warrants will stop trading on Nasdaq; Form 25 will be filed to delist and deregister them.
- Common stock (KTTA) continues to trade on Nasdaq; no change to common listing.
- Expiration per terms of Warrant Agency Agreement with VStock Transfer, LLC; no extension noted.

## SEC filing metadata
- accession: 0001213900-26-100515
- form_type: 8-K
- ticker: KTTA
- cik: 0001841330
- company_name: Pasithea Therapeutics Corp.
- filed_at: 2026-09-16T20:06:04+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1841330/000121390026100515/0001213900-26-100515-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1841330/000121390026100515/ea0305372-8k_pasithea.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-100515
- JSON: https://secwatch.observer/filing/0001213900-26-100515.json
- Plain text: https://secwatch.observer/filing/0001213900-26-100515.txt

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