Great Southern Mining Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

CHIA:GSN Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
24 Jul 26	BuyAU$46,798	Matthew Blake	Individual	2,000,000	AU$0.023
17 Jun 26	BuyAU$47,940	John Terpu	Individual	2,524,148	AU$0.019
31 Oct 25	BuyAU$316,744	Joseph Pinto	Individual	11,041,726	AU$0.029
29 Oct 25	SellAU$274,749	Perennial Value Management Limited	Company	10,037,146	AU$0.027
22 Oct 25	SellAU$5,838	Joseph Pinto	Individual	200,000	AU$0.029

Insider Trading Volume

Insider Buying: GSN insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of GSN?
Owner Type	Number of Shares	Ownership Percentage
Public Companies	46,108,597	3.97%
Institutions	49,133,100	4.23%
Private Companies	79,868,957	6.87%
Individual Insiders	469,887,082	40.4%
General Public	517,416,554	44.5%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 16.6%.

Top Shareholders

Top 19 shareholders own 55.49% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
19.5%	John Terpu	227,074,869	AU$6.5m	6.11%	no data
7.74%	Joseph Pinto	90,000,000	AU$2.6m	0%	no data
4.3%	Tim Chan Tak	50,006,323	AU$1.4m	0%	no data
4.23%	Perennial Value Management Limited	49,133,100	AU$1.4m	0%	0.66%
3.97%	Gold Fields Limited	46,108,597	AU$1.3m	0%	0.1%
2.06%	Elbow Solutions Pty Ltd	23,970,588	AU$683.2k	0%	no data
1.98%	Colin Weekes	23,026,184	AU$656.2k	0%	no data
1.89%	Buckingham Investment Financial Services Pty Ltd	22,009,363	AU$627.3k	0%	no data
1.72%	Matthew Blake	20,000,000	AU$570.0k	29%	no data
1.48%	Adam Macdougall	17,215,902	AU$490.7k	0%	no data
1.19%	Anysha Pty Ltd	13,889,006	AU$395.8k	0%	no data
1.16%	Chung Shing Tsang	13,500,000	AU$384.8k	0%	no data
0.96%	Matthew Keane	11,139,405	AU$317.5k	73.4%	no data
0.95%	Garbutt Investment Pty Ltd	11,000,000	AU$313.5k	0%	no data
0.77%	No Bull Health Pty Ltd	9,000,000	AU$256.5k	0%	no data
0.68%	Elias Khouri	7,941,176	AU$226.3k	0%	no data
0.65%	Ivor Van Der Sluys	7,600,000	AU$216.6k	0%	no data
0.13%	Mark Petricevic	1,483,223	AU$42.3k	0%	no data
0.077%	Andrew Caruso	900,000	AU$25.7k	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/08/20 16:43
End of Day Share Price	2026/08/20 00:00
Earnings	2025/12/31
Annual Earnings	2025/06/30

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Great Southern Mining Limited is covered by 0 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.