---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-23-011766"
form_type: "8-K"
ticker: "PMN"
cik: "0001374339"
company_name: "ProMIS Neurosciences Inc."
filed_at: "2023-07-10T23:59:59+00:00"
generated_at: "2026-06-13T10:30:18.104812+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# ProMIS Neurosciences to voluntarily delist from TSX, consolidate trading to Nasdaq

## Summary
- Voluntary delisting from TSX effective as of close of trading on July 21, 2023.
- Common shares will continue to trade on Nasdaq under symbol PMN without interruption.
- Company cites cost savings and management time savings from eliminating dual listing.
- Shareholder approval not required; Nasdaq is deemed an acceptable alternative market by TSX.

## SEC filing metadata
- accession: 0001558370-23-011766
- form_type: 8-K
- ticker: PMN
- cik: 0001374339
- company_name: ProMIS Neurosciences Inc.
- filed_at: 2023-07-10T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1374339/000155837023011766/0001558370-23-011766-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1374339/000155837023011766/pmn-20230710x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-23-011766
- JSON: https://secwatch.observer/filing/0001558370-23-011766.json
- Plain text: https://secwatch.observer/filing/0001558370-23-011766.txt

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