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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 2025-08-24 Share Issue/Capital Cha…
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
Notification of cessation of securities - GSN 4 pages 14.9KB
Share Issue/Capital Change Classification · 100% confidence The document is titled 'Appendix 3H - Notification of cessation of securities' and details the cessation of certain securities (options) for Great Southern Mining Limited. It includes specific information about the securities that have ceased, the reason for cessation (expiry of options), and the updated issued capital following these changes. The document is a formal announcement to the ASX regarding changes in the company's securities, specifically the cessation of certain options. This type of document corresponds to notifications about changes in share capital or securities status, which aligns with the category 'Share Issue/Capital Change' (SHA). The document length is 4185 characters, which is consistent with a detailed announcement rather than a brief notice or a full financial report. Therefore, the appropriate classification is SHA.
2025-08-24 English
Change in substantial holding 2 pages 233.2KB
Major Shareholding Notification Classification · 100% confidence The document is a Form 604 under the Corporations Act 2001 Section 671B, titled 'Notice of change of interests of substantial holder.' It details changes in voting power and relevant interests of a substantial shareholder, including dates and transaction details. This type of filing is a notification of changes in significant share ownership levels, which matches the definition of 'Major Shareholding Notification' (Code: MRQ). The document is about a substantial holder's change in voting power and share interests, not a financial report or other type of filing. The length and content confirm it is a substantive notification rather than a brief announcement or certification.
2025-08-06 English
Change in substantial holding 4 pages 400.1KB
Regulatory Filings
2025-07-30 English
Quarterly Activities/Appendix 5B Cash Flow Report 20 pages 3.3MB
Interim / Quarterly Report Classification · 95% confidence The document is titled 'QUARTERLY ACTIVITIES REPORT For the quarter ended 30 June 2025' and contains detailed operational updates, exploration results, drilling activities, and project developments for Great Southern Mining Limited. It includes substantive data such as assay results, drilling program details, and strategic transactions related to mining licenses. The content is comprehensive and focused on a specific quarter, indicating it is a periodic report shorter than a full fiscal year. There is no indication that this is an announcement of a report or a brief summary; rather, it contains detailed substantive information typical of an Interim / Quarterly Report. Therefore, the document fits the definition of an Interim / Quarterly Report (IR). Q4 2025
2025-07-29 English
DIAMOND DRILLING UNDERWAY AT THE EDINBURGH PARK PROJECT 14 pages 1.7MB
Capital/Financing Update Classification · 95% confidence The document is an ASX announcement dated 28 July 2025 from Great Southern Mining Limited regarding the commencement of diamond drilling at the Edinburgh Park Project. It details exploration activities, geological survey results, drilling plans, and project background. The content focuses on operational updates and exploration progress rather than financial results, management changes, or regulatory filings. It is not a full financial report, earnings release, or management discussion. The document is a detailed announcement about exploration and project development activities, typical of a Capital/Financing Update or operational update. Given the nature of the content—exploration drilling commencement and project update—the most appropriate classification is Capital/Financing Update (CAP).
2025-07-27 English
SALE OF MINING LICENCE FOR UP TO A$9M 4 pages 994.2KB
Capital/Financing Update Classification · 100% confidence The document is an ASX announcement dated 21 July 2025 from Great Southern Mining Limited (GSN) regarding the sale of a mining licence and a strategic relationship with Regis Resources. It details the terms of the transaction, including upfront and contingent cash payments, strategic data sharing, and rights of first offer. The content focuses on a specific transaction and strategic partnership rather than financial results, management changes, or regulatory compliance. The document length is 6722 characters, which is sufficient to contain substantive information. It is not a report like an Annual Report or Interim Report, nor is it a simple announcement of a report publication. It is clearly a capital/financing update related to asset sale and strategic alliance. Therefore, the appropriate classification is Capital/Financing Update (CAP).
2025-07-20 English

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