---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-23-020275"
form_type: "8-K"
ticker: "PUBC"
cik: "0001575858"
company_name: "Purebase Corp"
filed_at: "2023-06-06T23:59:59+00:00"
generated_at: "2026-06-14T06:37:22.311941+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Purebase on schedule for Phase 1 calciner; production expected within 60 days

## Summary
- Phase 1 calciner installation on schedule; production expected in 60 days.
- Calciner will process kaolin into metakaolin for use as SCM in green cement.
- Metakaolin can reduce carbon emissions from cement, aligning with California SB596.
- CEO notes local California resource reduces transportation emissions.
- Company believes well-positioned to participate in California's emission reduction goals.

## SEC filing metadata
- accession: 0001493152-23-020275
- form_type: 8-K
- ticker: PUBC
- cik: 0001575858
- company_name: Purebase Corp
- filed_at: 2023-06-06T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1575858/000149315223020275/0001493152-23-020275-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1575858/000149315223020275/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-23-020275
- JSON: https://secwatch.observer/filing/0001493152-23-020275.json
- Plain text: https://secwatch.observer/filing/0001493152-23-020275.txt

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