Insider Transactions Reported by 9 Insiders of
MAMMOTH ENERGY SERVICES, INC.
-
Symbol
-
TUSK on Nasdaq
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Location
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Oklahoma City, OK
Quick Takeaways
- TUSK - MAMMOTH ENERGY SERVICES, INC. has 9 insiders with reported activity on this page.
- Net insider value flow over the last year: -$194,150.
- Recent transaction rows are available for direct filing-level review.
What Changed
- Buy value: $18,900; sell value: $213,050.
- Net share flow: <span class="text-red-600">-75,000</span>.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Filed on Form 4
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
See Original Filing
Insiders trading volume in the past year
Insider trading buckets (0-12 months)
MAMMOTH ENERGY SERVICES, INC. executives and other stock owners filed with the SEC include:
| Name |
Relationship |
Holdings Value |
Past Year Net Change |
Change % |
Valuation |
Report Date |
| WEXFORD CAPITAL LP |
Director, 10%+ Owner |
$95,922,417 |
|
|
Mixed |
12 Mar 2024 |
| GPOR Distribution Trust |
10%+ Owner |
$42,797,852 |
|
|
Mixed |
30 Jun 2021 |
| Arty Straehla |
Chief Executive Officer, Director |
$4,414,516 |
|
|
Mixed |
18 Dec 2023 |
| Mark E. Layton |
CFO and Secretary |
$1,824,261 |
|
|
Mixed |
03 Mar 2023 |
| James D. Palm |
Director |
$876,069 |
|
|
Mixed |
12 Jun 2024 |
| Corey J. Booker |
Director |
$435,443 |
|
|
Filing P/S |
22 Nov 2024 |
| Arthur L. Smith |
Director |
$326,385 |
-$213,050 |
-39% |
Filing P/S |
22 May 2025 |
| Arthur H. Amron |
Director |
$107,985 |
+$18,900 |
+21% |
Filing P/S |
11 Dec 2025 |
| Paul M. Jacobi |
Director |
$101,621 |
|
|
Mixed |
12 Jun 2024 |
Recent Insider Transactions by Companies or Individuals for MAMMOTH ENERGY SERVICES, INC.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider |
Symbol |
Class |
Transaction |
% |
Value $ |
* Price $ |
Shares |
Shares Owned |
Date |
Ownership |
| Arthur H. Amron |
TUSK |
Common Stock |
Purchase |
21.2% |
$18,900 |
$1.89 |
10,000 |
57,135 |
11 Dec 2025 |
Direct |
| Arthur L. Smith |
TUSK |
Common Stock |
Sale |
-13.3% |
$50,200 |
$2.51 |
-20,000 |
130,034 |
22 May 2025 |
Direct |
| Arthur L. Smith |
TUSK |
Common Stock |
Sale |
-25% |
$125,500 |
$2.51 |
-50,000 |
150,034 |
20 May 2025 |
Direct |
| Arthur L. Smith |
TUSK |
Common Stock |
Sale |
-6.98% |
$37,350 |
$2.49 |
-15,000 |
200,034 |
19 May 2025 |
Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.