Companies: 10,795·Total market cap: $144.5T
Mammoth Energy Services, Inc.

Mammoth Energy Services, Inc.

TUSKNASDAQIndustrials● Active
$3.49
+$0.17(+4.97%)
Market Cap$167874705
P/E Ratio
52W High$3.625
52W Low$1.715

Mammoth Energy Services, Inc. (TUSK) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · TUSK · as of Jun 8, 2026

Activity summary

Buy transactions

4

P-Purchase only

Sell transactions

12

12 Months

Buy/Sell ratio

0.33

Buy/Sell (by trades)

Overall sentiment

BEARISH
↑ Buy 25%Active transactions only · RSU vesting excluded75% Sell ↓

Mammoth Energy Services, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

TUSK insider buying and selling by quarter

TUSK insider selling · TUSK insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
535K268K0
2024 Q4
2025 Q2
2025 Q4
2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · TUSK ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

TUSK executive sell shares · TUSK board member insider trading · TUSK insider trading SEC filing

Showing 88 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Amron Arthur H

Director

Purchase

Date

May 28

Shares

3,000

Price

$3.25

Value

$10K

View Form 4 on SEC.gov

Amron Arthur H

Director

Purchase

Date

May 26

Shares

2,500

Price

$3.24

Value

$8K

View Form 4 on SEC.gov

Amron Arthur H

Director

Purchase

Date

Dec 11

Shares

10,000

Price

$1.89

Value

$19K

View Form 4 on SEC.gov

SMITH ARTHUR L

Director

Sale

Date

May 22

Shares

20,000

Price

$2.51

Value

$50K

View Form 4 on SEC.gov

SMITH ARTHUR L

Director

Sale

Date

May 19

Shares

15,000

Price

$2.49

Value

$37K

View Form 4 on SEC.gov

SMITH ARTHUR L

Director

Sale

Date

May 20

Shares

50,000

Price

$2.51

Value

$125K

View Form 4 on SEC.gov

Amron Arthur H

Director

Purchase

Date

Dec 12

Shares

1,000

Price

$2.97

Value

$3K

View Form 4 on SEC.gov

Booker Corey J.

Director

Sale

Date

Nov 22

Shares

10,000

Price

$3.43

Value

$34K

View Form 4 on SEC.gov

Booker Corey J.

Director

Sale

Date

Nov 25

Shares

15,000

Price

$3.47

Value

$52K

View Form 4 on SEC.gov

Booker Corey J.

Director

Sale

Date

Nov 20

Shares

5,000

Price

$3.21

Value

$16K

View Form 4 on SEC.gov

Booker Corey J.

Director

Sale

Date

Nov 21

Shares

6,709

Price

$3.25

Value

$22K

View Form 4 on SEC.gov

Booker Corey J.

Director

Sale

Date

Nov 13

Shares

7,100

Price

$3.68

Value

$26K

View Form 4 on SEC.gov

Booker Corey J.

Director

Sale

Date

Nov 14

Shares

3,607

Price

$3.50

Value

$13K

View Form 4 on SEC.gov

Booker Corey J.

Director

Sale

Date

Nov 7

Shares

165

Price

$3.90

Value

$644

View Form 4 on SEC.gov

Booker Corey J.

Director

Sale

Date

Nov 8

Shares

24

Price

$3.76

Value

$90

View Form 4 on SEC.gov

Booker Corey J.

Director

Sale

Date

Nov 11

Shares

3,494

Price

$3.61

Value

$13K

View Form 4 on SEC.gov

Booker Corey J.

Director

Award

Date

Jun 12

Shares

27,856

Price

Value

View Form 4 on SEC.gov

Palm James D

Director

Award

Date

Jun 12

Shares

27,856

Price

Value

View Form 4 on SEC.gov

SMITH ARTHUR L

Director

Award

Date

Jun 12

Shares

27,856

Price

Value

View Form 4 on SEC.gov

Jacobi Paul M.

Director

Award

Date

Jun 12

Shares

27,856

Price

Value

View Form 4 on SEC.gov

Amron Arthur H

Director

Award

Date

Jun 12

Shares

27,856

Price

Value

View Form 4 on SEC.gov

Amron Arthur H

Director

Purchase

Date

May 30

Shares

3,000

Price

$3.65

Value

$11K

View Form 4 on SEC.gov

Amron Arthur H

Director

Purchase

Date

May 28

Shares

2,000

Price

$3.57

Value

$7K

View Form 4 on SEC.gov

WEXFORD CAPITAL LP

Director

Other

Date

Mar 12

Shares

535,366

Price

Value

View Form 4 on SEC.gov

Amron Arthur H

Director

Purchase

Date

Mar 12

Shares

3,000

Price

$3.72

Value

$11K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About TUSK insider trading

TUSK insider trades

Mammoth Energy Services, Inc. (TUSK) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Amron Arthur H (Director). Over the past 12 months, 1 insiders have filed transactions with the SEC. TUSK insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Mammoth Energy Services, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

TUSK insider trading · 5 questions

The insiders of Mammoth Energy Services, Inc. (TUSK) include executives and directors such as Amron Arthur H (Director), among others. Over the past 12 months, 1 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

TUSK board member insider tradingwho are TUSK insidersTUSK insider rosterMammoth Energy Services, Inc. executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026