---
schema_version: "secwatch.filing_event.v1"
accession: "0001539497-25-000030"
form_type: "8-K"
ticker: "NB"
cik: "0001512228"
company_name: "NIOCORP DEVELOPMENTS LTD"
filed_at: "2025-01-06T23:59:59+00:00"
generated_at: "2026-05-28T10:34:55.698630+00:00"
event_type: "debt"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# NioCorp defers Jan 1 note payment, extends maturity to Feb 17, 2025 via consent with Yorkville

## Summary
- Deferred amounts due Jan 1, 2025 to new maturity date Feb 17, 2025.
- Consent prospectively waives terms triggered by failure to pay on Jan 1, 2025.
- Original unsecured note issued April 12, 2024 to YA II PN, Ltd. (Yorkville).
- Other terms of note unchanged; no new principal or rate changes.

## SEC filing metadata
- accession: 0001539497-25-000030
- form_type: 8-K
- ticker: NB
- cik: 0001512228
- company_name: NIOCORP DEVELOPMENTS LTD
- filed_at: 2025-01-06T23:59:59+00:00
- event_type: debt
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 2.03
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1512228/000153949725000030/0001539497-25-000030-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1512228/000153949725000030/n2574_x241-8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001539497-25-000030
- JSON: https://secwatch.observer/filing/0001539497-25-000030.json
- Plain text: https://secwatch.observer/filing/0001539497-25-000030.txt

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