Golden State Mining Ownership

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

Recent Insider Transactions

ASX:GSM Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
23 Apr 26	BuyAU$11,152	Alexander Tunnadine	Individual	729,962	AU$0.015
29 Mar 26	BuyAU$50,999	Christopher Tuckwell	Individual	3,400,000	AU$0.015
23 Feb 26	BuyAU$50,003	Keith William Middleton	Individual	6,250,000	AU$0.008
28 Aug 25	BuyAU$43,540	Harvey Kaplan	Individual	5,500,000	AU$0.0081

Insider Trading Volume

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

Ownership Breakdown

What is the ownership structure of GSM?
Owner Type	Number of Shares	Ownership Percentage
Institutions	5,010,000	1.04%
Individual Insiders	100,134,031	20.8%
Private Companies	109,953,886	22.8%
General Public	267,367,363	55.4%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 72.7%.

Top Shareholders

Top 25 shareholders own 44.43% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
5.83%	Daryl Henthorn	28,125,000	AU$506.3k	200%	no data
5.47%	Harvey Kaplan	26,400,000	AU$475.2k	31%	no data
3.45%	Perth Select Seafoods Pty Ltd	16,625,000	AU$299.2k	0%	no data
3.33%	Bluewater Investments (Marmion) Pty Ltd	16,071,229	AU$289.3k	0%	no data
2.59%	Fiftythree 11 Pty Ltd	12,500,000	AU$225.0k	0%	no data
2.33%	Keith William Middleton	11,250,000	AU$202.5k	0%	no data
2.07%	Joshua Gordon	9,996,554	AU$179.9k	0%	no data
1.89%	Purple Star Holdings Pty Ltd	9,106,990	AU$163.9k	0%	no data
1.38%	Chunyan Niu	6,665,291	AU$120.0k	0%	no data
1.3%	Albion Bay Pty Ltd	6,250,000	AU$112.5k	0%	no data
1.3%	Bythorne Contracting Pty Ltd	6,250,000	AU$112.5k	0%	no data
1.3%	Prinsep Park Pty Ltd	6,250,000	AU$112.5k	0%	no data
1.3%	Red Sea Capital Management Pty Ltd	6,250,000	AU$112.5k	0%	no data
1.3%	Jash Securities Pty Ltd	6,250,000	AU$112.5k	0%	no data
1.29%	Joel Webb	6,200,000	AU$111.6k	0%	no data
1.24%	Heiton Park Pty Ltd	6,000,000	AU$108.0k	0%	no data
1.12%	TRE Pty Ltd.	5,400,000	AU$97.2k	0%	no data
1.04%	Scintilla Capital Pty Ltd	5,000,000	AU$90.0k	0%	1.15%
1.04%	Thor Holdings Pty Ltd	5,000,000	AU$90.0k	0%	no data
0.83%	Respite Pty Ltd	4,000,667	AU$72.0k	0%	no data
0.83%	20 Mgl Corp Pty Ltd	4,000,000	AU$72.0k	0%	no data
0.75%	Michael Moore	3,600,656	AU$64.8k	0%	no data
0.7%	Christopher Tuckwell	3,400,000	AU$61.2k	0%	no data
0.55%	Gregory Hancock	2,671,383	AU$48.1k	969%	no data
0.23%	Brenton Siggs	1,095,185	AU$19.7k	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/05/09 11:47
End of Day Share Price	2026/05/08 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

Golden State 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.