Graphene & Solar Technologies Ltd SEC filings GSTX
Graphene & Solar Technologies Ltd has 235 filings in SEC EDGAR's recent list, going back to Oct 21, 2010. Its latest annual report, Form 10-K, was filed on Feb 25, 2026 for the period ended Sep 30, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 25, 2026 (other events). The company's fiscal year ends on September 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| 3 | Initial insider ownership | Jun 9, 2020 | Jun 1, 2020 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2014 | — |
| SC 13G | Ownership over 5% (passive) | Feb 19, 2013 | — |
| 4 | Insider transaction | Nov 27, 2012 | Sep 28, 2012 |
| SC 13D | Ownership over 5% (active) | Nov 27, 2012 | — |
Showing 5 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Metal Mining (SIC 1000)
- Listed as
- GSTX (OTC)
- Fiscal year ends
- September 30
- Incorporated in
- CO
- Headquarters
- Phoenix, AZ
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1497649
- Former names
- Solar Quartz Technologies Corp (until Jan 23, 2019); Vanguard Energy Corp (until Jul 13, 2017)
Other Metal Mining companies
- BHP Group Ltd BHP
- Rio Tinto Ltd RTNTF
- Southern Copper CORP/ SCCO
- Rio Tinto PLC RIO
- Freeport-Mcmoran Inc FCX
- Vale S.A. VALE
- Hudbay Minerals Inc. HBM
- Cleveland-Cliffs Inc. CLF
Source: SEC EDGAR filings. This is company-reported data, not investment advice.