---
schema_version: "secwatch.filing_event.v1"
accession: "0001903596-26-000365"
form_type: "8-K"
ticker: "GSTX"
cik: "0001497649"
company_name: "Graphene & Solar Technologies Ltd"
filed_at: "2026-09-25T12:35:28+00:00"
generated_at: "2026-10-12T13:19:27.789269+00:00"
event_type: "regulatory"
sentiment: "positive"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# GSTX unit QSM USA wins CAEATFA sales-tax exclusion of up to $15M tied to $176.5M California property

## Summary
- CAEATFA approved a California Sales and Use Tax Exclusion of up to $14,999,831 for GSTX subsidiary QSM USA, covering up to $176,468,600 in qualified property.
- Approval follows QSM USA's previously announced $45 million California Competes Tax Credit, which is subject to investment and employment milestones.
- Benefit requires execution of a Regulatory Agreement and continued program compliance; actual amount realized depends on qualified property ultimately purchased.
- QSM USA is developing a Southern California silicon wafer plant inside an existing industrial building, targeting 10 GW annual capacity and initial production by mid-2027.
- CEO Jason May said the incentive improves capital efficiency of planned US silicon wafer operations; QSM USA CEO Paul Saffron thanked CAEATFA and state offices.

## SEC filing metadata
- accession: 0001903596-26-000365
- form_type: 8-K
- ticker: GSTX
- cik: 0001497649
- company_name: Graphene & Solar Technologies Ltd
- filed_at: 2026-09-25T12:35:28+00:00
- event_type: regulatory
- sentiment: positive
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1497649/000190359626000365/0001903596-26-000365-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1497649/000190359626000365/gstx_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001903596-26-000365
- JSON: https://secwatch.observer/filing/0001903596-26-000365.json
- Plain text: https://secwatch.observer/filing/0001903596-26-000365.txt

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