---
schema_version: "secwatch.filing_event.v1"
accession: "0001903596-26-000353"
form_type: "8-K"
ticker: "GSTX"
cik: "0001497649"
company_name: "Graphene & Solar Technologies Ltd"
filed_at: "2026-09-17T20:26:54+00:00"
generated_at: "2026-09-17T20:28:09.170432+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# GSTX uplists to OTCQB Venture Market; cites $40M notes offering and wafer plant plans

## Summary
- Common stock approved for OTCQB trading, commenced Sept 15, 2026, under ticker GSTX.
- Conducting private offering of up to $40M convertible notes to fund U.S. silicon wafer manufacturing.
- QSM USA facility in San Diego expected to provide up to 10 GW annual wafer capacity when fully operational.
- Long-term offtake agreement with a U.S. solar manufacturer covers 30% of planned output.
- Awarded $45M California Competes Tax Credit for solar materials projects, subject to milestones.

## SEC filing metadata
- accession: 0001903596-26-000353
- form_type: 8-K
- ticker: GSTX
- cik: 0001497649
- company_name: Graphene & Solar Technologies Ltd
- filed_at: 2026-09-17T20:26:54+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1497649/000190359626000353/0001903596-26-000353-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1497649/000190359626000353/gstx_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001903596-26-000353
- JSON: https://secwatch.observer/filing/0001903596-26-000353.json
- Plain text: https://secwatch.observer/filing/0001903596-26-000353.txt

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