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Graphene & Solar Technologies Limited reported that David Halstead resigned as Chief Financial Officer and as a member of the Board of Directors, effective April 21, 2026. The company states his resignation is not due to any disagreement regarding operations, policies, or practices.
On the same date, the Board appointed Kristine Woo as interim Chief Financial Officer, effective immediately, and plans to begin a search for a permanent CFO. Woo will be compensated under existing executive compensation policies and has no related-party arrangements, family relationships, or transactions requiring disclosure under Regulation S-K Item 404(a).
Graphene & Solar Technologies Limited reported that its Board of Directors appointed Russell Krause as a member of the Board, effective April 14, 2026. He will receive compensation consistent with the company’s non-employee director compensation program.
The company states there are no arrangements or understandings with other persons regarding his selection, no family relationships with any director or executive officer, and no transactions involving him that require disclosure under Item 404(a) of Regulation S-K.
Graphene & Solar Technologies Limited reported another loss-making quarter with no revenue for the three months ended December 31, 2025. Operating expenses were $759,871, down from $965,764 a year earlier, leading to a net loss of $862,697.
The company ended the quarter with just $78,842 in cash and a working capital deficit of $4,610,133, as current liabilities reached $4,700,487. Management again raised substantial doubt about the company’s ability to continue as a going concern and is relying on new debt and equity financing, including related-party funding.
Debt consists largely of high-interest notes and convertible notes, many held by related parties, and shareholders face ongoing dilution from stock-based compensation, debt conversions, and share-based consulting fees. As of April 8, 2026, the company had 676,194,059 common shares outstanding, with authorization increased to 1.5 billion shares.
Graphene & Solar Technologies Limited filed an amended annual report that mainly adds missing CFO certifications and an executive compensation section, without changing prior financial data. The company generated no revenue for the year ended September 30, 2024 and reported a net loss of $2.64M. Operating expenses more than doubled to $2.56M, driven largely by professional fees.
The balance sheet shows cash of just $1,845, a working capital deficit of $3.01M, total liabilities of $3.14M and a stockholders’ deficit of $2.84M. Auditors and management highlight substantial doubt about its ability to continue as a going concern, given recurring losses, no revenues and dependence on new debt or equity financing to fund its plan to build a solar wafer and cell manufacturing business.
Graphene & Solar Technologies Limited reports full-year 2025 results with no revenues and a net loss of $3,307,205, wider than 2024’s $2,640,737. The company is developing vertically integrated solar-grade silicon wafer capacity in the U.S., Australia and New Zealand but remains pre-revenue.
As of September 30, 2025, cash was $57,365, total liabilities were $4,869,739, and stockholders’ deficit reached $4,556,693. The working capital deficit increased to $4,749,158, and the auditor and management highlight substantial doubt about the company’s ability to continue as a going concern. Operations are being funded through convertible notes, related-party debt, and share issuances, with 726,194,059 common shares outstanding as of February 22, 2026.
Graphene & Solar Technologies Limited filed an amended annual report mainly to add required CEO and CFO certifications, leaving all previously filed financial information unchanged. The company reports no revenue for the year ended September 30, 2024 and a net loss of about $2.64 million, larger than the prior year’s loss.
Total assets were roughly $0.3 million against liabilities of about $3.1 million, resulting in a stockholders’ deficit near $2.8 million. Cash was only $1,845, and management, as well as the auditor, highlight substantial doubt about the company’s ability to continue as a going concern. GSTX is refocusing on U.S. and Australian solar wafer and cell manufacturing, while pausing active work in water harvesting and graphene. As of July 14, 2025, the company had 705,444,059 common shares outstanding.
Graphene & Solar Technologies Limited filed a notification that it will not be able to submit its Annual Report on Form 10-K for the year ended September 30, 2025 by the normal deadline. The company states it needs additional time to complete the presentation of certain information in its financial statements and related notes, and to compile supporting documentation.
The company indicates it expects to file the Form 10-K no later than fifteen calendar days after the prescribed filing date, relying on the grace period allowed under SEC Rule 12b-25.