Mammoth Energy Services Ownership

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

Recent Insider Transactions

DB:5M8 Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
12 Dec 24	Buy€2,833	Arthur Amron	Individual	1,000	€2.83
25 Nov 24	Sell€82,369	Corey Booker	Individual	25,000	€3.31
21 Nov 24	Sell€36,086	Corey Booker	Individual	11,709	€3.10
14 Nov 24	Sell€36,602	Corey Booker	Individual	10,707	€3.47
11 Nov 24	Sell€12,532	Corey Booker	Individual	3,683	€3.66
30 May 24	Buy€16,685	Arthur Amron	Individual	5,000	€3.36
12 Mar 24	Buy€10,219	Arthur Amron	Individual	3,000	€3.41

Insider Trading Volume

Insider Buying: 5M8 insiders have sold more shares than they have bought in the past 3 months.

Ownership Breakdown

What is the ownership structure of 5M8?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	2,131,331	4.43%
General Public	8,785,568	18.3%
Institutions	11,088,535	23%
Hedge Funds	26,121,935	54.3%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 79.94% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
45.9%	Wexford Capital LP	22,068,212	€57.1m	-0.05%	11.78%
8.42%	Adage Capital Management, L.P.	4,053,723	€10.5m	-7.87%	0.02%
6.52%	ValueWorks LLC	3,136,371	€8.1m	-5.99%	2.69%
3.04%	BlackRock, Inc.	1,464,112	€3.8m	3.83%	no data
2.81%	Royce & Associates, LP	1,351,224	€3.5m	15.2%	0.03%
2.11%	Arty Straehla	1,013,899	€2.6m	0%	no data
1.96%	The Vanguard Group, Inc.	944,344	€2.4m	21.5%	no data
1.86%	Dimensional Fund Advisors LP	892,928	€2.3m	10.8%	no data
1.1%	Geode Capital Management, LLC	528,850	€1.4m	1.9%	no data
1.01%	Bridgeway Capital Management, LLC	486,414	€1.3m	1.74%	0.02%
0.87%	Mark Layton	418,985	€1.1m	0%	no data
0.84%	State Street Global Advisors, Inc.	403,688	€1.0m	1.36%	no data
0.44%	James Palm	212,288	€549.6k	0%	no data
0.42%	Northern Trust Global Investments	201,864	€522.6k	4.77%	no data
0.39%	Arthur Smith	187,178	€484.5k	0%	no data
0.38%	Paul Jacobi	182,070	€471.3k	0%	no data
0.35%	Castleknight Management LP	167,433	€433.4k	0%	0.05%
0.31%	BNY Asset Management	149,184	€386.2k	-10.5%	no data
0.28%	Renaissance Technologies LLC	133,672	€346.0k	2.3%	no data
0.22%	Stifel Asset Management Corp.	105,572	€273.3k	-1.4%	no data
0.2%	Corey Booker	97,632	€252.7k	-34.4%	no data
0.17%	Susquehanna International Group, LLP, Asset Management Arm	79,636	€206.2k	158%	no data
0.14%	Citadel Advisors LLC	65,290	€169.0k	626%	no data
0.13%	Morgan Stanley, Investment Banking and Brokerage Investments	63,616	€164.7k	156%	no data
0.13%	Charles Schwab Investment Management, Inc.	63,610	€164.7k	-0.58%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2024/12/30 19:09
End of Day Share Price	2024/12/30 00:00
Earnings	2024/09/30
Annual Earnings	2023/12/31

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 here.

Analysis Model and Snowflake

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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 .

Analyst Sources

Mammoth Energy Services, Inc. is covered by 14 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.

Analyst	Institution
J. David Anderson	Barclays
Luke Lemoine	Capital One Securities, Inc.
James Wicklund	Credit Suisse