Mammoth Minerals Ownership

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

Recent Insider Transactions

ASX:M79 Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
12 Aug 25	BuyAU$59,998	Geonomics Australia Pty Ltd	Company	1,000,000	AU$0.06
12 Aug 25	BuyAU$59,998	Simon Lawson	Individual	1,000,000	AU$0.06
12 Aug 25	BuyAU$59,998	Glenn Poole	Individual	1,000,000	AU$0.06
07 Aug 25	SellAU$1,999,988	York Harbour Metals Inc.	Company	25,000,000	AU$0.08
21 Mar 25	SellAU$502,393	York Harbour Metals Inc.	Company	5,450,163	AU$0.092
14 Feb 25	SellAU$925,139	York Harbour Metals Inc.	Company	15,402,679	AU$0.062

Insider Trading Volume

Insider Buying: M79 insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of M79?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	21,741,111	4.4%
Individual Insiders	35,782,521	7.24%
Institutions	49,434,163	10%
Public Companies	115,048,436	23.3%
General Public	272,521,744	55.1%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 49.3%.

Top Shareholders

Top 25 shareholders own 44.89% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
11%	York Harbour Metals Inc.	54,147,158	AU$8.7m	-36%	no data
6.47%	Athena Gold Corporation	32,000,000	AU$5.1m	0%	no data
5.06%	1832 Asset Management L.P.	25,000,000	AU$4.0m	0%	no data
3.97%	Hong Kong Jayson Mining Co. Ltd	19,611,111	AU$3.1m	0%	no data
3.34%	Thunderbird Resources Limited	16,500,000	AU$2.6m	0%	no data
2.53%	Kluane Capital Fzco, Asset Management Arm	12,500,000	AU$2.0m	0%	no data
2.51%	Ramelius Resources Limited	12,401,278	AU$2.0m	0%	no data
1.34%	Tolga Kumova	6,608,838	AU$1.1m	0%	no data
1.2%	Brett Grosvenor	5,911,112	AU$945.8k	0%	no data
1.01%	Terra Capital Pty Ltd.	5,000,000	AU$800.0k	0%	1.46%
1.01%	Terra Capital Holdings Pty Ltd.	5,000,000	AU$800.0k	0%	2.45%
0.8%	Jason Peterson	3,959,711	AU$633.6k	0%	no data
0.69%	Robert Jewson	3,432,220	AU$549.2k	0%	no data
0.63%	Simon Lawson	3,100,925	AU$496.2k	47.6%	no data
0.51%	Andrew Grover	2,500,000	AU$400.0k	0%	no data
0.43%	Geonomics Australia Pty Ltd	2,130,000	AU$340.8k	88.5%	no data
0.4%	Tony Patrizi	2,000,000	AU$320.0k	0%	no data
0.4%	Kevin Puil	2,000,000	AU$320.0k	0%	no data
0.4%	Jiumin Yan	1,954,004	AU$312.6k	0%	no data
0.39%	708 Capital Pty Ltd	1,934,163	AU$309.5k	0%	100.0%
0.32%	Warwick Smyth	1,600,000	AU$256.0k	0%	no data
0.26%	Glenn Poole	1,271,718	AU$203.5k	368%	no data
0.23%	George Bauk	1,136,666	AU$181.9k	0%	no data
0.061%	Kecheng Cai	300,000	AU$48.0k	0%	no data
0.0015%	Kathryn Poole	7,327	AU$1.2k	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/10/07 14:25
End of Day Share Price	2025/10/07 00:00
Earnings	2025/06/30
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

Mammoth Minerals 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.