---
schema_version: "secwatch.filing_event.v1"
accession: "0001539497-23-001523"
form_type: "8-K"
ticker: "NB"
cik: "0001512228"
company_name: "NIOCORP DEVELOPMENTS LTD"
filed_at: "2023-09-01T23:59:59+00:00"
generated_at: "2026-06-11T00:29:36.284289+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# NioCorp closes $1M private placement; issues units with warrants

## Summary
- Closed non-brokered private placement of 250,000 units at $4.00/unit for gross proceeds of $1M.
- Each unit consists of one common share and one warrant exercisable at $4.60 until September 1, 2025.
- Proceeds to advance Elk Creek Critical Minerals Project and for working capital.
- Warrants and common shares subject to 4-month+1-day hold period under Canadian securities laws.
- Securities issued exempt from registration under Rule 506(b) of Regulation D.

## SEC filing metadata
- accession: 0001539497-23-001523
- form_type: 8-K
- ticker: NB
- cik: 0001512228
- company_name: NIOCORP DEVELOPMENTS LTD
- filed_at: 2023-09-01T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 1.01, 3.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1512228/000153949723001523/0001539497-23-001523-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1512228/000153949723001523/n2574_x155-8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001539497-23-001523
- JSON: https://secwatch.observer/filing/0001539497-23-001523.json
- Plain text: https://secwatch.observer/filing/0001539497-23-001523.txt

## Key facts
- Material Agreements
  NIOCORP DEVELOPMENTS LTD entered into Subscription Agreement with a single investor (effective 2023-09-01).
  - Action: entry
  - Agreement: equity purchase
  - Counterparty: a single investor
  - Effective: 2023-09-01
  source text: the Company entered into a subscription agreement (the "Subscription Agreement") by and between the Company and the investor.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1512228/000153949723001523/0001539497-23-001523-index.htm

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