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 |
|---|---|---|---|
| S-1 | Registration statement | Apr 5, 2019 | — |
| S-3/A | Form s-3 amendment no. 3 | Sep 17, 2013 | — |
| S-3/A | Form s-3 amend #2 | Jul 19, 2013 | — |
| POS AM | S-1 post-effect amend. #4 | Jul 9, 2013 | — |
| S-3/A | Form s-3 amendment no. 1 | Jun 21, 2013 | — |
| POS AM | Post-effect amendment no. 3 | Jun 20, 2013 | — |
| POS AM | Post effect amend #2 | Jun 18, 2013 | — |
| POS AM | Post effect amend #1 withdraw reg.stmt. | Apr 26, 2013 | — |
| S-8 | Employee stock plan registration | Apr 12, 2013 | — |
| S-3 | Shelf registration | Apr 3, 2013 | — |
| S-1/A | Amended registration statement | Feb 27, 2013 | — |
| S-1/A | Amended registration statement | Jan 30, 2013 | — |
| S-1/A | Amended registration statement | Oct 9, 2012 | — |
| S-1 | Registration statement | Apr 26, 2012 | — |
| 424B4 | Prospectus | Nov 29, 2011 | — |
| S-1/A | Amended registration statement | Nov 7, 2011 | — |
| S-1/A | Amended registration statement | Oct 13, 2011 | — |
| S-1/A | Amended registration statement | Sep 14, 2011 | — |
| S-1/A | Amended registration statement | Aug 2, 2011 | — |
| S-1/A | Amended registration statement | Jun 28, 2011 | — |
| S-1 | Registration statement | May 13, 2011 | — |
Showing 21 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)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.