Stocks · Energy · Oil & Gas Field Services, NEC

MAMMOTH ENERGY SERVICES, INC.

TUSK Clue Score66
United States Fiscal year ends December CIK 0001679268
2.82
+2.17%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
2.82 on 9 Oct 2026
4 3 2 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $2.24 14 Oct 2025 $2.29 15 Oct 2025 $2.27 16 Oct 2025 $2.23 17 Oct 2025 $2.22 20 Oct 2025 $2.22 21 Oct 2025 $2.20 22 Oct 2025 $2.16 23 Oct 2025 $2.17 24 Oct 2025 $2.15 27 Oct 2025 $2.13 28 Oct 2025 $2.12 29 Oct 2025 $2.06 30 Oct 2025 $2.13 31 Oct 2025 $2.04 3 Nov 2025 $2.15 4 Nov 2025 $2.05 5 Nov 2025 $2.12 6 Nov 2025 $2.02 7 Nov 2025 $1.97 10 Nov 2025 $1.96 11 Nov 2025 $2.02 12 Nov 2025 $1.99 13 Nov 2025 $1.90 14 Nov 2025 $1.95 17 Nov 2025 $1.85 18 Nov 2025 $1.84 19 Nov 2025 $1.79 20 Nov 2025 $1.76 21 Nov 2025 $1.78 24 Nov 2025 $1.81 25 Nov 2025 $1.85 26 Nov 2025 $1.80 28 Nov 2025 $1.84 1 Dec 2025 $1.78 2 Dec 2025 $1.77 3 Dec 2025 $2.15 4 Dec 2025 $2.16 5 Dec 2025 $2.02 8 Dec 2025 $2.09 9 Dec 2025 $2.05 10 Dec 2025 $1.94 11 Dec 2025 $1.86 12 Dec 2025 $1.77 15 Dec 2025 $1.73 16 Dec 2025 $1.88 17 Dec 2025 $1.91 18 Dec 2025 $1.92 19 Dec 2025 $1.85 22 Dec 2025 $1.84 23 Dec 2025 $1.84 24 Dec 2025 $1.86 26 Dec 2025 $1.88 29 Dec 2025 $1.87 30 Dec 2025 $1.83 31 Dec 2025 $1.85 2 Jan 2026 $1.97 5 Jan 2026 $1.92 6 Jan 2026 $1.96 7 Jan 2026 $1.92 8 Jan 2026 $1.96 9 Jan 2026 $2.11 12 Jan 2026 $2.04 13 Jan 2026 $2.19 14 Jan 2026 $2.30 15 Jan 2026 $2.22 16 Jan 2026 $2.29 20 Jan 2026 $2.31 21 Jan 2026 $2.39 22 Jan 2026 $2.41 23 Jan 2026 $2.39 26 Jan 2026 $2.28 27 Jan 2026 $2.19 28 Jan 2026 $2.13 29 Jan 2026 $2.34 30 Jan 2026 $2.34 2 Feb 2026 $2.41 3 Feb 2026 $2.41 4 Feb 2026 $2.43 5 Feb 2026 $2.29 6 Feb 2026 $2.33 9 Feb 2026 $2.45 10 Feb 2026 $2.33 11 Feb 2026 $2.39 12 Feb 2026 $2.22 13 Feb 2026 $2.30 17 Feb 2026 $2.23 18 Feb 2026 $2.27 19 Feb 2026 $2.29 20 Feb 2026 $2.26 23 Feb 2026 $2.25 24 Feb 2026 $2.27 25 Feb 2026 $2.25 26 Feb 2026 $2.37 27 Feb 2026 $2.31 2 Mar 2026 $2.48 3 Mar 2026 $2.46 4 Mar 2026 $2.62 5 Mar 2026 $2.55 6 Mar 2026 $2.12 9 Mar 2026 $2.20 10 Mar 2026 $2.19 11 Mar 2026 $2.20 12 Mar 2026 $2.17 13 Mar 2026 $2.16 16 Mar 2026 $2.14 17 Mar 2026 $2.17 18 Mar 2026 $2.15 19 Mar 2026 $2.14 20 Mar 2026 $2.08 23 Mar 2026 $2.13 24 Mar 2026 $2.30 25 Mar 2026 $2.33 26 Mar 2026 $2.62 27 Mar 2026 $2.85 30 Mar 2026 $2.62 31 Mar 2026 $2.45 1 Apr 2026 $2.37 2 Apr 2026 $2.45 6 Apr 2026 $2.34 7 Apr 2026 $2.45 8 Apr 2026 $2.43 9 Apr 2026 $2.44 10 Apr 2026 $2.41 13 Apr 2026 $2.49 14 Apr 2026 $2.63 15 Apr 2026 $2.72 16 Apr 2026 $2.73 17 Apr 2026 $2.71 20 Apr 2026 $2.54 21 Apr 2026 $2.45 22 Apr 2026 $2.49 23 Apr 2026 $2.48 24 Apr 2026 $2.57 27 Apr 2026 $2.64 28 Apr 2026 $2.82 29 Apr 2026 $2.86 30 Apr 2026 $2.86 1 May 2026 $2.81 4 May 2026 $2.54 5 May 2026 $2.69 6 May 2026 $2.50 7 May 2026 $2.35 8 May 2026 $2.39 11 May 2026 $2.91 12 May 2026 $2.94 13 May 2026 $3.26 14 May 2026 $3.27 15 May 2026 $3.20 18 May 2026 $3.19 19 May 2026 $3.19 20 May 2026 $3.15 21 May 2026 $3.41 22 May 2026 $3.25 26 May 2026 $3.23 27 May 2026 $3.22 28 May 2026 $3.21 29 May 2026 $3.35 1 Jun 2026 $3.38 2 Jun 2026 $3.55 3 Jun 2026 $3.57 4 Jun 2026 $3.84 5 Jun 2026 $3.32 8 Jun 2026 $3.48 9 Jun 2026 $3.34 10 Jun 2026 $3.37 11 Jun 2026 $3.19 12 Jun 2026 $3.29 15 Jun 2026 $3.09 16 Jun 2026 $3.10 17 Jun 2026 $3.04 18 Jun 2026 $3.03 22 Jun 2026 $2.92 23 Jun 2026 $3.06 24 Jun 2026 $3.05 25 Jun 2026 $2.72 26 Jun 2026 $2.94 29 Jun 2026 $2.91 30 Jun 2026 $3.25 1 Jul 2026 $3.15 2 Jul 2026 $3.13 6 Jul 2026 $3.10 7 Jul 2026 $3.07 8 Jul 2026 $3.02 9 Jul 2026 $2.88 10 Jul 2026 $2.80 13 Jul 2026 $2.91 14 Jul 2026 $2.77 15 Jul 2026 $2.84 16 Jul 2026 $2.85 17 Jul 2026 $2.80 20 Jul 2026 $2.70 21 Jul 2026 $2.81 22 Jul 2026 $2.84 23 Jul 2026 $2.81 24 Jul 2026 $2.73 27 Jul 2026 $2.72 28 Jul 2026 $2.60 29 Jul 2026 $2.54 30 Jul 2026 $2.60 31 Jul 2026 $2.65 3 Aug 2026 $2.70 4 Aug 2026 $2.85 5 Aug 2026 $2.85 6 Aug 2026 $2.94 7 Aug 2026 $3.39 10 Aug 2026 $3.36 11 Aug 2026 $3.28 12 Aug 2026 $3.28 13 Aug 2026 $3.21 14 Aug 2026 $3.32 17 Aug 2026 $3.30 18 Aug 2026 $3.07 19 Aug 2026 $3.06 20 Aug 2026 $3.23 21 Aug 2026 $3.06 24 Aug 2026 $3.11 25 Aug 2026 $3.17 26 Aug 2026 $3.14 27 Aug 2026 $3.15 28 Aug 2026 $3.09 31 Aug 2026 $3.13 1 Sep 2026 $3.10 2 Sep 2026 $3.22 3 Sep 2026 $3.11 4 Sep 2026 $3.12 8 Sep 2026 $3.20 9 Sep 2026 $3.17 10 Sep 2026 $3.11 11 Sep 2026 $3.10 14 Sep 2026 $3.06 15 Sep 2026 $3.04 16 Sep 2026 $3.02 17 Sep 2026 $3.22 18 Sep 2026 $3.18 21 Sep 2026 $3.14 22 Sep 2026 $3.01 23 Sep 2026 $2.92 24 Sep 2026 $2.94 25 Sep 2026 $2.98 28 Sep 2026 $2.91 29 Sep 2026 $2.85 30 Sep 2026 $2.84 1 Oct 2026 $2.84 2 Oct 2026 $2.80 5 Oct 2026 $2.84 6 Oct 2026 $2.91 7 Oct 2026 $2.85 8 Oct 2026 $2.76 9 Oct 2026 $2.82 Amron Arthur H Director Bought $18.90K 11 Dec 2025 · at $1.89 · 21.2% of stake Amron Arthur H Director Bought $8.10K 26 May 2026 · at $3.24 · 4.4% of stake Amron Arthur H Director Bought $9.75K 28 May 2026 · at $3.25 · 5.0% of stake Amron Arthur H Director Bought $8.05K 11 Jun 2026 · at $3.22 · 4.0% of stake Amron Arthur H Director Bought $6.56K 12 Jun 2026 · at $3.28 · 3.1% of stake WEXFORD CAPITAL LP Chief Business Officer Bought $10.47M 17 Jun 2026 · at $2.60 · 60.9% of stake Plaumann Mark Lawrence Director Bought $15.00K 16 Sep 2026 · at $3.00
7 buys0 sales at will0 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$44.29M
Net income
$4.60M
Free cash flow
$89.12M
Operating margin
-129.7%
Net margin
10.4%
Return on equity
1.8%
Return on capital
-17.6%
Debt to equity
0.00
Revenue growth, 1 yr
-2.9%
Revenue growth, 5 yr
-32.4% a year

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
313M -108M FY20 Fiscal year 2020 Revenue $313.08M Net income $107.61M Margin -34.4% 229M -101M FY21 Fiscal year 2021 Revenue $228.96M Net income $101.43M Margin -44.3% · growth -26.9% 362M -619K FY22 Fiscal year 2022 Revenue $362.09M Net income $619.00K Margin -0.2% · growth +58.1% 309M -3M FY23 Fiscal year 2023 Revenue $309.49M Net income $3.16M Margin -1.0% · growth -14.5% 46M -207M FY24 Fiscal year 2024 Revenue $45.60M Net income $207.33M Margin -454.7% · growth -85.3% 44M 5M FY25 Fiscal year 2025 Revenue $44.29M Net income $4.60M Margin 10.4% · growth -2.9%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
16 Sep 2026 Plaumann Mark Lawrence
Director
Bought $15.00K opened
17 Jun 2026 WEXFORD CAPITAL LP
Chief Business Officer
Bought $10.47M 60.9%
12 Jun 2026 Amron Arthur H
Director
Bought $6.56K 3.1%
11 Jun 2026 Amron Arthur H
Director
Bought $8.05K 4.0%
28 May 2026 Amron Arthur H
Director
Bought $9.75K 5.0%
26 May 2026 Amron Arthur H
Director
Bought $8.10K 4.4%