---
schema_version: "secwatch.filing_event.v1"
accession: "0001539497-24-000844"
form_type: "8-K"
ticker: "NB"
cik: "0001512228"
company_name: "NIOCORP DEVELOPMENTS LTD"
filed_at: "2024-04-17T23:59:59+00:00"
generated_at: "2026-06-03T21:39:25.136746+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# NioCorp to voluntarily delist common shares from TSX; keeps Nasdaq listing

## Summary
- Delisting from TSX expected at close of markets on May 3, 2024, subject to TSX approval.
- More than 90% of average daily trading volume executed on Nasdaq; TSX listing costs cited as reason.
- No security holder approval required; common shares continue trading on Nasdaq under symbol NB.
- NioCorp will remain a reporting issuer in Canada and continue Canadian securities disclosure.
- Company operates Elk Creek critical minerals project in Nebraska targeting niobium, scandium, titanium.

## SEC filing metadata
- accession: 0001539497-24-000844
- form_type: 8-K
- ticker: NB
- cik: 0001512228
- company_name: NIOCORP DEVELOPMENTS LTD
- filed_at: 2024-04-17T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1512228/000153949724000844/0001539497-24-000844-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1512228/000153949724000844/n2574_x207-8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001539497-24-000844
- JSON: https://secwatch.observer/filing/0001539497-24-000844.json
- Plain text: https://secwatch.observer/filing/0001539497-24-000844.txt

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