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Mammoth Energy Services Insider Trading Activity

TUSKNASDAQ

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$1.73

-0.04-2.26%

At close: Dec 15, 4:00 PM EST

$1.73

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After Hours: 4:00 PM EST

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Mammoth Energy Services Insider Trading Activity | NASDAQ:TUSK | Benzinga

Track the latest Mammoth Energy Services insider trading activity. Stay informed on recent buys, sells, and market impact for Mammoth Energy Services stock.

What is Insider Activity?

Insider trading activity involves company insiders, such as executives, directors, and employees, engaging in transactions of their own company's stock. Insiders' buy and sell transactions provide valuable insights into their confidence in the company's future performance.

What are Mammoth Energy Services Inc Insiders Doing?

At Mammoth Energy Services Inc, recent insider activity has drawn attention. Over the last 30 days, insiders have report no sales in the last 30 days, meanwhile, insiders have reported buying a total of 10.00K shares for a total value of $18.90K.

Notable Recent Insider Buys and Sales

On December 15, 2025, Arthur Amron, the company's DIRECTOR purchased 10K shares for $1.89 each.

Ownership Statistics for Mammoth Energy Services Inc

Shares Outstanding

48.194M

Insider Shares Owned

2.113M

Insider Percentage Owned

4.38%

Institutional Shares Held

5.087M

Institutional Percentage Held

10.6%


Dec 15, 2025	Arthur Amron	DIRECTOR	10.00K	$1.89	$18.90K	BUY	21.22%	57.13K	Dec 11	View
May 27, 2025	Arthur Smith	DIRECTOR	-20.00K	$2.51	-$50.20K	SELL	-13.33%	130.03K	May 22	View
May 21, 2025	Arthur Smith	DIRECTOR	-65.00K	$2.51	-$162.85K	SELL	-30.23%	150.03K	May 19 - May 20	View
Dec 16, 2024	Arthur Amron	DIRECTOR	1.00K	$2.97	$2.97K	BUY	2.17%	47.13K	Dec 12	View
Nov 26, 2024	Corey J Booker	DIRECTOR	-25.00K	$3.45	-$86.35K	SELL	-16.61%	125.49K	Nov 22 - Nov 25	View
Nov 22, 2024	Corey J Booker	DIRECTOR	-11.71K	$3.23	-$37.85K	SELL	-7.22%	150.49K	Nov 20 - Nov 21	View
Nov 15, 2024	Corey J Booker	DIRECTOR	-10.71K	$3.62	-$38.72K	SELL	-6.19%	162.20K	Nov 13 - Nov 14	View
Nov 12, 2024	Corey J Booker	DIRECTOR	-3.68K	$3.62	-$13.35K	SELL	-2.09%	172.90K	Nov 07 - Nov 11	View
May 30, 2024	Arthur Amron	DIRECTOR	5.00K	$3.62	$18.09K	BUY	37.65%	18.28K	May 28 - May 30	View
Mar 14, 2024	Arthur Amron	DIRECTOR	3.00K	$3.72	$11.16K	BUY	14.59%	23.56K	Mar 12	View
Dec 19, 2023	Arty Straehla	CHIEF EXECUTIVE OFFICER	-70.00K	$4.36	-$305.44K	SELL	-6.46%	1.01M	Dec 18 - Dec 19	View
Dec 15, 2023	Arty Straehla	CHIEF EXECUTIVE OFFICER	-120.00K	$4.40	-$528.24K	SELL	-9.97%	1.08M	Dec 13 - Dec 15	View
Nov 14, 2022	Arthur Smith	DIRECTOR	-20.00K	$7.07	-$141.32K	SELL	-10.91%	163.37K	Nov 11	View
Jun 21, 2022	WEXFORD CAPITAL LP Wexford GP LLC CHARLES DAVIDSON JOSEPH JACOBS	—	45.38K	$2.14	$96.98K	BUY	0.20%	22.43M	Jun 16 - Jun 17	View
Jun 15, 2022	WEXFORD CAPITAL LP Wexford GP LLC CHARLES DAVIDSON JOSEPH JACOBS	—	50.80K	$2.31	$117.35K	BUY	0.23%	22.39M	Jun 13 - Jun 15	View
Jun 10, 2022	WEXFORD CAPITAL LP Wexford GP LLC CHARLES DAVIDSON JOSEPH JACOBS	—	97.77K	$2.47	$241.38K	BUY	0.44%	22.34M	Jun 08 - Jun 10	View
Mar 11, 2022	Mark Layton	CFO AND SECRETARY	-40.42K	$2.04	-$82.33K	SELL	-8.15%	455.36K	Mar 10	View
Dec 14, 2021	Arthur Smith	DIRECTOR	25.00K	$2.00	$50.00K	BUY	16.10%	180.33K	Dec 13	View
Mar 11, 2021	Mark Layton	CFO AND SECRETARY	-55.79K	$5.22	-$290.98K	SELL	-10.11%	495.78K	Mar 11	View
Mar 11, 2021	Arty Straehla	CHIEF EXECUTIVE OFFICER	-148.99K	$5.34	-$796.08K	SELL	-10.05%	1.33M	Mar 09 - Mar 10	View
Nov 13, 2020	Arty Straehla	—	-5.00K	$1.78	-$8.88K	SELL	-0.34%	1.48M	Nov 10	View
Sep 08, 2020	Arthur Smith	—	20.00K	$1.29	$25.80K	PURCHASE	18.23%	129.69K	Sep 04	View
Nov 22, 2019	WEXFORD CAPITAL LP Wexford Catalyst Trading LTD Wexford Spectrum Trading LTD MEH SUB LLC Wexford GP LLC CHARLES DAVIDSON JOSEPH JACOBS	—	16.69K	$1.33	$22.17K	BUY	0.08%	22.05M	Nov 20	View
Nov 22, 2019	Matthew Ross	DIRECTOR	-2.91K	$1.44	-$4.20K	SELL	-12.82%	19.82K	Nov 21	View
Nov 15, 2019	WEXFORD CAPITAL LP Wexford Spectrum Trading LTD Wexford Catalyst Trading LTD MEH SUB LLC Wexford GP LLC CHARLES DAVIDSON JOSEPH JACOBS	—	35.90K	$1.36	$48.89K	BUY	0.16%	22.03M	Nov 13	View
Dec 06, 2018	Arthur Smith	DIRECTOR	-6.00K	$24.85	-$149.10K	SELL	-32.90%	12.23K	Dec 03	View
Nov 13, 2018	Arty Straehla	CHIEF EXECUTIVE OFFICER	-38.84K	$26.68	-$1.04M	SELL	-17.19%	187.11K	Nov 08 - Nov 12	View
Nov 13, 2018	Mark Layton	CFO AND SECRETARY	-1.14K	$27.13	-$30.82K	SELL	-2.16%	51.57K	Nov 08 - Nov 09	View
Aug 01, 2018	GULFPORT ENERGY CORP	DIRECTOR	-118.97K	$38.01	-$4.52M	SELL	-1.20%	9.83M	Jul 30	View
Aug 01, 2018	MEH SUB LLC WEXFORD CAPITAL LP Wexford GP LLC CHARLES DAVIDSON JOSEPH JACOBS	—	-266.03K	$38.01	-$10.11M	SELL	-1.20%	21.99M	Jul 30	View
Jul 03, 2018	GULFPORT ENERGY CORP	DIRECTOR	-1.24M	$38.01	-$46.97M	SELL	-11.05%	9.95M	Jun 29	View
Jul 03, 2018	MEH SUB LLC WEXFORD CAPITAL LP Wexford GP LLC CHARLES DAVIDSON JOSEPH JACOBS	—	-2.76M	$38.01	-$105.07M	SELL	-11.05%	22.26M	Jun 29	View
Mar 07, 2018	Mark Layton	CFO AND SECRETARY	-4.37K	$26.13	-$114.25K	SELL	-7.66%	52.70K	Mar 01	View
Nov 16, 2017	Mark Layton	CFO AND SECRETARY	-925.00	$19.01	-$17.59K	SELL	-1.59%	57.08K	Nov 14	View
Nov 16, 2017	Arty Straehla	CHIEF EXECUTIVE OFFICER	-25.84K	$18.45	-$476.76K	SELL	-10.31%	224.82K	Nov 14 - Nov 15	View
Aug 28, 2017	James D Palm	DIRECTOR	6.00K	$12.75	$76.52K	BUY	89.55%	12.70K	Aug 24 - Aug 25	View
Jun 13, 2017	Arthur Smith	DIRECTOR	6.00K	$16.91	$101.46K	BUY	90.00%	12.67K	Jun 09	View
Mar 02, 2017	Arty Straehla	CHIEF EXECUTIVE OFFICER	460.00	$21.76	$10.01K	BUY	0.18%	250.46K	Feb 28	View
Oct 21, 2016	GULFPORT ENERGY CORP	DIRECTOR	-76.25K	$14.06	-$1.07M	SELL	-0.83%	9.09M	Oct 19	View
Oct 21, 2016	Mark Layton	CFO AND SECRETARY	18.00K	$15.00	$45.00K	BUY	∞	18.00K	Oct 19	View
Oct 21, 2016	Arty Straehla	CHIEF EXECUTIVE OFFICER	251.33K	$15.00	$19.98K	BUY	∞	251.33K	Oct 19	View
Oct 21, 2016	Mammoth Energy Holdings LLC WEXFORD CAPITAL LP Wexford GP LLC CHARLES DAVIDSON JOSEPH JACOBS	DIRECTOR	-171.80K	$14.06	-$2.42M	SELL	-0.83%	20.45M	Oct 19	View

FAQ

Is insider trading legal?

Insider trading is legal so long as the insiders report those trades to the SEC. Illegal securities trading occurs when the insider is violating a fiduciary duty or fails to report their trades.

What are some examples of market manipulation?

Insider trading, pump and dump schemes, front running and wash trades are all examples of market manipulation. Investors who track insider asset movement should think carefully about why these insiders are trading their stocks before moving forward.

Browse insider trades on all stocks.