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 |
|---|---|---|---|
| 10-K/A | Amended annual report | Mar 18, 2026 | Sep 30, 2024 |
| 10-K | Annual report | Feb 25, 2026 | Sep 30, 2025 |
| 10-K/A | Amended annual report | Feb 2, 2026 | Sep 30, 2024 |
| 10-K | Annual report | Jul 15, 2025 | Sep 30, 2024 |
| 10-K | Annual report | Jan 16, 2024 | Sep 30, 2023 |
| 10-K | Annual report | Apr 12, 2023 | Sep 30, 2022 |
| 10-K | Annual report | May 24, 2022 | Sep 30, 2021 |
| 10-K | Annual report | Feb 17, 2021 | Sep 30, 2020 |
| 10-K | Annual report | Jan 21, 2020 | Sep 30, 2019 |
| 10-K | Annual report | Jan 23, 2019 | Sep 30, 2018 |
| 10-K | Annual report | Sep 7, 2018 | Sep 30, 2015 |
| 10-K | Annual report | Jan 16, 2018 | Sep 30, 2017 |
| 10-K | Annual report | Nov 17, 2017 | Sep 30, 2016 |
| 10-K | Annual report | Jan 5, 2015 | Sep 30, 2014 |
| 10-K/A | Amended annual report | Oct 6, 2014 | Sep 30, 2013 |
| 10-K | Annual report | Jan 3, 2014 | Sep 30, 2013 |
| 10-K | Annual report | Dec 28, 2012 | Sep 30, 2012 |
| 10-K | Annual report | Dec 30, 2011 | Sep 30, 2011 |
Showing 18 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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
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- Rio Tinto Ltd RTNTF
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- Hudbay Minerals Inc. HBM
- Cleveland-Cliffs Inc. CLF
Source: SEC EDGAR filings. This is company-reported data, not investment advice.