---
schema_version: "secwatch.filing_event.v1"
accession: "0001641172-25-018261"
form_type: "8-K"
ticker: "PUBC"
cik: "0001575858"
company_name: "Purebase Corp"
filed_at: "2025-07-09T23:59:59+00:00"
generated_at: "2026-05-18T08:53:33.943910+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Purebase cancels mining rights and stock options; CEO to buy 122.9M shares

## Summary
- Cancels rights to purchase 100M tons of metakaolin and 116M stock options at $0.38.
- CEO Scott Dockter agrees to buy 122,945,823 shares from USMC for ~$14.6M plus interest.
- USMC converts $2.03M in loans into 27.2M shares; debt extinguished.
- Purebase gets 6-month option to buy mining equipment at fair market value.
- Purebase receives assignment of 2,500-acre BLM mining lease in Nevada; rescinds Snow White Mine purchase.

## SEC filing metadata
- accession: 0001641172-25-018261
- form_type: 8-K
- ticker: PUBC
- cik: 0001575858
- company_name: Purebase Corp
- filed_at: 2025-07-09T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1575858/000164117225018261/0001641172-25-018261-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1575858/000164117225018261/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001641172-25-018261
- JSON: https://secwatch.observer/filing/0001641172-25-018261.json
- Plain text: https://secwatch.observer/filing/0001641172-25-018261.txt

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