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GREAT SOUTHERN MINING LIMITED — Investor Relations & Filings

Ticker · GSN ISIN · AU0000017543 LEI · 529900NIX6WY9XSLND23 ASX Mining and quarrying
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Filings indexed 747 across all filing types
Latest filing 2025-11-03 Regulatory Filings
Country AU Australia
Listing ASX GSN

About GREAT SOUTHERN MINING LIMITED

https://gsml.com.au/

Great Southern Mining Limited focuses on the exploration and development of gold and base metal assets. The company manages a portfolio of projects including the Duketon Gold Project, located in a significant greenstone belt, and the East Laverton Project, which targets nickel and gold mineralization. It also oversees the Edinburgh Park Project, a large-scale exploration area prospective for copper-gold porphyry and epithermal systems. Core activities involve systematic geological mapping, geochemical analysis, geophysical surveys, and multi-stage drilling programs aimed at resource definition. The company utilizes modern exploration technologies and historical data integration to identify high-grade mineralization and advance its project pipeline toward potential development.

Recent filings

Filing Released Lang Actions
Change in substantial holding 3 pages 378.0KB
Regulatory Filings
2025-11-03 English
Notification regarding unquoted securities - GSN 7 pages 21.0KB
Share Issue/Capital Change Classification · 100% confidence The document is titled 'Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities' and details the issuance of 30,000,000 unlisted options by Great Southern Mining Limited. It includes specifics about the securities, issue date, exercise price, and regulatory compliance under ASX listing rules. The content is focused on the announcement of new securities issued, not a financial report or management discussion. This matches the definition of a Share Issue/Capital Change filing, which covers announcements regarding new share issues or capital changes.
2025-10-30 English
Ceasing to be a substantial holder 2 pages 240.9KB
Major Shareholding Notification Classification · 100% confidence The document is a Form 605 under the Corporations Act 2001 Section 671B, titled 'Notice of ceasing to be a substantial holder.' It details changes in relevant interests of a substantial shareholder, including dates and share transactions. The document is regulatory in nature, reporting changes in shareholding status rather than financial results or management changes. It is not an annual report, earnings release, or management report. It fits the category of Major Shareholding Notification, which covers notifications of changes in significant share ownership levels.
2025-10-30 English
Quarterly Activities/Appendix 5B Cash Flow Report 26 pages 4.0MB
Interim / Quarterly Report Classification · 95% confidence The document is titled 'QUARTERLY ACTIVITIES REPORT For the quarter ended 30 September 2025' and contains detailed operational updates, exploration activities, drilling results, and financial highlights such as cash position. It covers a specific quarter and includes substantive financial and operational data, not just an announcement or summary. The length is substantial (15,000 characters), indicating a full report rather than a brief announcement. The content aligns with a comprehensive interim or quarterly report rather than an earnings release or annual report. Therefore, the document fits the definition of an Interim / Quarterly Report (IR). Q1 2025
2025-10-28 English
Drilling underway at the Golden Boulder prospect 4 pages 808.2KB
Regulatory Filings Classification · 95% confidence The document is an ASX announcement dated 27 October 2025 from Great Southern Mining Limited (ASX: GSN) about drilling activities underway at the Golden Boulder prospect within their Duketon Gold Project. It provides detailed information about the drilling program, objectives, previous drilling results, and geological context. The document is 7320 characters long, which is relatively short and formatted as a news release or operational update rather than a comprehensive financial or technical report. There are no financial statements, audit opinions, or detailed management discussions of financial results. The content focuses on exploration activities and project updates rather than financial performance or governance. It is not a report publication announcement since it contains substantive information about the drilling program itself. The document fits best into the category of a Regulatory Filing (RNS) as a general regulatory announcement or operational update that does not fit into more specific categories like Annual Report, Interim Report, or Capital Update.
2025-10-26 English
UP TO $337.5K EIS FUNDING GRANTED FOR TWO PROJECTS 7 pages 1.1MB
Capital/Financing Update Classification · 95% confidence The document is an ASX announcement dated 20 October 2025 from Great Southern Mining Limited regarding the awarding of up to $337,500 in co-funded drilling grants from the Western Australian Government's Exploration Incentive Scheme (EIS). It details the technical aspects of the exploration projects funded, including drilling plans and geological context. The document is an announcement of funding and exploration plans, not a financial report, earnings release, or management discussion. It does not contain financial statements or results, nor is it a regulatory compliance filing or a report publication announcement. The content focuses on capital raising in the form of government grants for exploration activities, which fits best under Capital/Financing Update (CAP). The document length is substantial and contains detailed project information, not just a brief notice or certification. Therefore, the most appropriate classification is Capital/Financing Update (CAP).
2025-10-19 English

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