---
schema_version: "secwatch.filing_event.v1"
accession: "0001575705-21-000658"
form_type: "8-K"
ticker: "GSTX"
cik: "0001497649"
company_name: "Graphene & Solar Technologies Ltd"
filed_at: "2021-09-28T23:59:59+00:00"
generated_at: "2026-06-29T00:58:29.088147+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# GSTX acquires Cima NanoTech for $47M, announces graphene JV and water harvester

## Summary
- Acquired thin-film tech company Cima NanoTech for $47M in May 2021, with 120 patented technologies.
- Joint venture for industrial/electronics-grade graphene production factory in Brisbane, Australia, production target June 2022.
- Developing transparent flexible thin-film solar applications and water harvester units (50-10,000 gallons/day).
- Applications ongoing for EV batteries, EMF shielding for 5G, and anti-freeze windshields.

## SEC filing metadata
- accession: 0001575705-21-000658
- form_type: 8-K
- ticker: GSTX
- cik: 0001497649
- company_name: Graphene & Solar Technologies Ltd
- filed_at: 2021-09-28T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1497649/000157570521000658/0001575705-21-000658-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1497649/000157570521000658/gstx_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001575705-21-000658
- JSON: https://secwatch.observer/filing/0001575705-21-000658.json
- Plain text: https://secwatch.observer/filing/0001575705-21-000658.txt

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