---
schema_version: "secwatch.filing_event.v1"
accession: "0001539497-26-000783"
form_type: "8-K"
ticker: "NB"
cik: "0001512228"
company_name: "NIOCORP DEVELOPMENTS LTD"
filed_at: "2026-02-25T23:59:59+00:00"
generated_at: "2026-05-16T00:15:36.048232+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# NioCorp closes $100M public offering of common shares and pre-funded warrants

## Summary
- Gross proceeds ~$100M from 20M shares/pre-funded warrants at $5.00 per unit; net ~$93.6M after fees.
- Proceeds to fund working capital and advance the Elk Creek critical minerals project in Nebraska.
- Maxim Group LLC acted as sole placement agent; offering closed February 25, 2026.
- 30-day lock-up for executives/directors and 60-day company issuance restrictions apply.
- Pre-funded warrants exercisable at $0.0001 per share with 4.99% beneficial ownership cap.

## SEC filing metadata
- accession: 0001539497-26-000783
- form_type: 8-K
- ticker: NB
- cik: 0001512228
- company_name: NIOCORP DEVELOPMENTS LTD
- filed_at: 2026-02-25T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1512228/000153949726000783/0001539497-26-000783-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1512228/000153949726000783/n2574_x314-8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001539497-26-000783
- JSON: https://secwatch.observer/filing/0001539497-26-000783.json
- Plain text: https://secwatch.observer/filing/0001539497-26-000783.txt

## Key facts
- Material Agreements
  NIOCORP DEVELOPMENTS LTD entered into Placement Agency Agreement with Maxim Group LLC valued at Issuance of 17,400,000 common shares at $5.00 per share and 2,600,000 pre-funded warrants at $4.9999 (effective 2026-02-24).
  - Action: entry
  - Agreement: underwriting
  - Counterparty: Maxim Group LLC
  - Value: Issuance of 17,400,000 common shares at $5.00 per share and 2,600,000 pre-funded warrants at $4.9999
  - Effective: 2026-02-24
  source text: On February 24, 2026, NioCorp Developments Ltd. (the “Company”) entered into a placement agency agreement (the “Placement Agency Agreement”) with Maxim Group LLC to act as the Company’s exclusive placement agent (the “Placement Agent”) to solicit offers to purchase common shares, without par value, of the Company (the “Common Shares”) (or pre-funded warrants (the “Pre-Funded Warrants”) to purchase Common Shares in lieu thereof) in a public offering registered under the Securities Act (as defined below) (the “Offering”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1512228/000153949726000783/0001539497-26-000783-index.htm

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