{"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","discovered_at":"2026-05-14T18:03:18.751365+00:00","generated_at":"2026-06-03T21:39:25.136746+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"NioCorp to voluntarily delist common shares from TSX; keeps Nasdaq listing","bullets":["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."],"urls":{"canonical":"https://secwatch.observer/filing/0001539497-24-000844","json":"https://secwatch.observer/filing/0001539497-24-000844.json","markdown":"https://secwatch.observer/filing/0001539497-24-000844.md","text":"https://secwatch.observer/filing/0001539497-24-000844.txt","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"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-03T21:39:25.136746+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}