TUSK on Nasdaq
MAMMOTH ENERGY SERVICES, INC.
We are an integrated, growth-oriented services company focused on providing products and services to our customers primarily in the oil and natural gas, aviation and utility infrastructure industries.4 From its latest annual report
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Last updated Oct 19, 2026.
Overview
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- TickerTUSK on Nasdaq2
- IndustryOil & Gas Field Services, NEC2
- HeadquartersOklahoma City, United States2
- Incorporated inDE3
- Business address14201 Caliber Drive, Suite 300, Oklahoma City, Ok 731343
- Filer categoryAccelerated filer, Smaller reporting company3
- Legal formCorporation2
- LEI549300ODHHN3MGXCQ8032
- StatusActive2
- LEI statusLapsed (not renewed)2
- Registered addressC/O Corporation Service Company, 19808 Wilmington, United States2
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We are an integrated, growth-oriented services company focused on providing products and services to our customers primarily in the oil and natural gas, aviation and utility infrastructure industries. Our primary business objective is to drive returns through improved execution by prioritizing asset utilization, margin expansion, and capital efficiency across the portfolio. Our suite of services includes rental services, infrastructure services, natural sand proppant services, accommodation services and drilling services. Our rental services segment provides a wide range of equipment used in oilfield, construction and aviation activities. Our infrastructure services division provides engineering, design, construction, upgrade, maintenance and repair services to the fiber industry. Our natural sand proppant services division mines, processes and sells natural sand proppant used for hydrau…4 From its latest annual report
Financials
From the company’s reports to the SEC. Every number links to the filing it came from.
Key numbers, fiscal 2025
-129.7%Operating margin5
10.4%Net margin5
-2.9%Revenue growth, 20255
1.8%Return on equity5
-$89.1MFree cash flow5
What sells
Revenue by product, business segment and region, as the company reports it to the SEC.
Business segments
Sand brought in 37% of the revenue MAMMOTH ENERGY SERVICES, INC. broke down this way in fiscal 2025.
Business segments by year
| Business segments | 2024 | 2025 |
|---|---|---|
| Sand | $19.1M | $16.6M |
| Rentals | $6.7M | $11.0M |
| Accommodations | $10.9M | $9.0M |
| Infrastructure | $1.5M | $4.1M |
| Drilling Services | $3.6M | $3.7M |
Regions
United States brought in 62% of the revenue MAMMOTH ENERGY SERVICES, INC. broke down this way in fiscal 2025.
Regions by year
| Regions | 2024 | 2025 |
|---|---|---|
| United States | $23.6M | $27.5M |
| CA [member] | $22.0M | $16.7M |
| Other Geographic | $16.0K | $76.0K |
Where the money goes
Where each dollar of revenue went, fiscal 2025
- Selling, general and admin44¢$19.6M
- Other costs36¢$16.0M
- Income tax9¢$4.1M
- Profit10¢$4.6M
Out of $44.3M in revenue.5
Financial statements
Every line of the income statement as filed: the last 2 fiscal years, latest first.5
| Period ending | 2025-12-31 | 2024-12-31 |
|---|---|---|
| Total revenue | $44.3M | $45.6M |
| Selling, general and administrative | $19.6M | $114.5M |
| Depreciation, depletion, amortization and accretion | $10.3M | $11.7M |
| Gains on disposal of assets, net | -$2.4M | -$2.8M |
| Impairment of long-lived assets | $31.7M | $0 |
| Total cost and expenses | $101.7M | $166.0M |
| Operating loss | -$57.4M | -$120.4M |
| Interest income (expense and financing charges), net | $1.7M | -$9.5M |
| Other (expense) income, net | -$3.9M | -$64.6M |
| Total other (expense) income | -$2.2M | -$74.1M |
| Loss from continuing operations before income taxes | -$59.7M | -$194.4M |
| Provision (benefit) for income taxes from continuing operations | $4.1M | -$11.3M |
| Net loss from continuing operations | -$63.8M | -$183.1M |
| Net income (loss) from discontinued operations, net of income taxes | $68.4M | -$24.2M |
| Net income (loss) | $4.6M | -$207.3M |
| Foreign currency translation adjustment | $461.0K | -$831.0K |
| Other comprehensive (loss) income | $461.0K | -$831.0K |
| Comprehensive income (loss) | $5.1M | -$208.2M |
| Net loss per share from continuing operations, basic (in USD per share) | -$1 | -$4 |
| Net loss per share from continuing operations, diluted (in USD per share) | -$1 | -$4 |
| Net (loss) income per share from discontinued operations, basic (in USD per share) | $1 | -$0 |
| Net (loss) income per share from discontinued operations, diluted (in USD per share) | $1 | -$0 |
| Net loss per share, basic (in USD per share) | $0.10 | -$4.31 |
| Net earnings (loss) per share, diluted (in USD per share) | $0.10 | -$4.31 |
| Weighted average number of shares outstanding (basic) (in shares) | 48.3M shares | 48.1M shares |
| Weighted average number of shares outstanding (diluted) (in shares) | 48.3M shares | 48.1M shares |
No quarter-by-quarter statement was filed.
Every line of the balance sheet as filed: the last 3 fiscal years (annual) or 3 quarters (quarterly), latest first.5
| Period ending | 2025-12-31 | 2024-12-31 | 2023-12-31 |
|---|---|---|---|
| Cash and cash equivalents | $102.0M | $60.8M | |
| Marketable securities | $19.6M | $0 | |
| Restricted cash | $12.1M | $19.4M | |
| Accounts receivable, net | $28.9M | $40.7M | |
| Inventories | $4.1M | $6.8M | |
| Current assets held for sale | $4.3M | $0 | |
| Other current assets | $4.6M | $10.9M | |
| Current assets of discontinued operations | $1.5M | $50.0M | |
| Total current assets | $177.1M | $188.6M | |
| Property, plant and equipment, net | $106.1M | $66.7M | |
| Sand reserves, net | $39.6M | $57.3M | |
| Operating lease right-of-use assets | $2.6M | $4.0M | |
| Other non-current assets | $5.8M | $7.4M | |
| Noncurrent assets of discontinued operations | $3.7M | $60.2M | |
| Total assets | $334.9M | $384.0M | |
| Accounts payable | $9.3M | $12.1M | |
| Accrued expenses and other current liabilities | $18.3M | $25.6M | |
| Current operating lease liability | $2.1M | $2.6M | |
| Income taxes payable | $39.9M | $44.6M | |
| Current liabilities of discontinued operations | $383.0K | $29.5M | |
| Total current liabilities | $70.0M | $114.5M | |
| Deferred income tax liabilities | $2.4M | $3.0M | |
| Long-term operating lease liability | $1.4M | $1.3M | |
| Asset retirement obligations | $2.8M | $4.2M | $4.1M |
| Other long-term liabilities | $26.0K | $213.0K | |
| Noncurrent liabilities of discontinued operations | $0 | $7.9M | |
| Total liabilities | $76.6M | $131.2M | |
| Common stock, $0.01 par value, 200,000,000 shares authorized, 48,358,315 and 48,127,369 issued and outstanding at December 31, 2025 and 2024, respectively | $483.0K | $481.0K | |
| Additional paid-in capital | $540.8M | $540.4M | |
| Accumulated deficit | -$279.0M | -$283.6M | |
| Accumulated other comprehensive loss | -$4.0M | -$4.5M | |
| Total equity | $258.3M | $252.8M | $460.1M |
| Total liabilities and equity | $334.9M | $384.0M | |
| Common stock, par value (in USD per share) | $0.01 | $0.01 | |
| Common stock, shares authorized (in shares) | 200.0M shares | 200.0M shares | |
| Common stock, shares, issued (in shares) | 48.4M shares | 48.1M shares | |
| Common stock, shares, outstanding (in shares) | 48.4M shares | 48.1M shares |
| Period ending | 2025-12-31 | 2024-12-31 | 2023-12-31 |
|---|---|---|---|
| Cash and cash equivalents | $102.0M | $60.8M | |
| Marketable securities | $19.6M | $0 | |
| Restricted cash | $12.1M | $19.4M | |
| Accounts receivable, net | $28.9M | $40.7M | |
| Inventories | $4.1M | $6.8M | |
| Current assets held for sale | $4.3M | $0 | |
| Other current assets | $4.6M | $10.9M | |
| Current assets of discontinued operations | $1.5M | $50.0M | |
| Total current assets | $177.1M | $188.6M | |
| Property, plant and equipment, net | $106.1M | $66.7M | |
| Sand reserves, net | $39.6M | $57.3M | |
| Operating lease right-of-use assets | $2.6M | $4.0M | |
| Other non-current assets | $5.8M | $7.4M | |
| Noncurrent assets of discontinued operations | $3.7M | $60.2M | |
| Total assets | $334.9M | $384.0M | |
| Accounts payable | $9.3M | $12.1M | |
| Accrued expenses and other current liabilities | $18.3M | $25.6M | |
| Current operating lease liability | $2.1M | $2.6M | |
| Income taxes payable | $39.9M | $44.6M | |
| Current liabilities of discontinued operations | $383.0K | $29.5M | |
| Total current liabilities | $70.0M | $114.5M | |
| Deferred income tax liabilities | $2.4M | $3.0M | |
| Long-term operating lease liability | $1.4M | $1.3M | |
| Asset retirement obligations | $2.8M | $4.2M | $4.1M |
| Other long-term liabilities | $26.0K | $213.0K | |
| Noncurrent liabilities of discontinued operations | $0 | $7.9M | |
| Total liabilities | $76.6M | $131.2M | |
| Common stock, $0.01 par value, 200,000,000 shares authorized, 48,358,315 and 48,127,369 issued and outstanding at December 31, 2025 and 2024, respectively | $483.0K | $481.0K | |
| Additional paid-in capital | $540.8M | $540.4M | |
| Accumulated deficit | -$279.0M | -$283.6M | |
| Accumulated other comprehensive loss | -$4.0M | -$4.5M | |
| Total equity | $258.3M | $252.8M | $460.1M |
| Total liabilities and equity | $334.9M | $384.0M | |
| Common stock, par value (in USD per share) | $0.01 | $0.01 | |
| Common stock, shares authorized (in shares) | 200.0M shares | 200.0M shares | |
| Common stock, shares, issued (in shares) | 48.4M shares | 48.1M shares | |
| Common stock, shares, outstanding (in shares) | 48.4M shares | 48.1M shares |
Cash flow is reported year to date, not quarter by quarter, so there are no separate quarterly figures.
Every line of the cash flow as filed: the last 2 fiscal years, latest first.5
| Period ending | 2025-12-31 | 2024-12-31 |
|---|---|---|
| Net income (loss) | $4.6M | -$207.3M |
| Less: Net income (loss) from discontinued operations, net of income taxes | $68.4M | -$24.2M |
| Net loss from continuing operations | -$63.8M | -$183.1M |
| Stock based compensation | $412.0K | $875.0K |
| Depreciation, depletion, amortization and accretion | $10.3M | $11.7M |
| Amortization of financing origination costs | $708.0K | $3.0M |
| Change in provision for expected credit losses | $49.0K | $171.1M |
| Gains on disposal of assets, net | -$2.4M | -$2.8M |
| Gains from sales of equipment damaged or lost down-hole | -$221.0K | -$157.0K |
| Impairment of long-lived assets | $31.7M | $0 |
| Inventory obsolescence | $0 | $97.0K |
| Deferred income taxes | -$591.0K | $4.2M |
| Other | $1.2M | $63.0K |
| Accounts receivable, net | $11.8M | $206.1M |
| Inventories | $116.0K | $43.0K |
| Other current assets | $6.2M | $590.0K |
| Accounts payable | -$2.8M | -$1.6M |
| Income taxes payable | -$4.7M | -$16.7M |
| Net cash (used in) provided by operating activities from continuing operations | -$19.6M | $194.7M |
| Net cash provided by (used in) operating activities from discontinued operations | $1.0M | -$14.0M |
| Net cash provided by operating activities | -$18.6M | $180.7M |
| Purchases of property, plant and equipment | -$70.6M | -$1.2M |
| Contributions to equity investee | -$368.0K | $0 |
| Proceeds from disposal of property, plant and equipment | $8.0M | $5.1M |
| Purchase of marketable securities | -$19.5M | $0 |
| Net cash (used in) provided by investing activities from continuing operations | -$82.5M | $3.8M |
| Net cash provided by (used in) investing activities from discontinued operations | $137.1M | -$14.3M |
| Net cash provided by (used in) investing activities | $54.5M | -$10.4M |
| Payments on financing transaction | $0 | -$46.8M |
| Principal payments on financing leases and equipment financing notes | -$433.0K | -$469.0K |
| Debt issuance costs | $0 | -$37.0K |
| Net cash used in financing activities from continuing operations | -$433.0K | -$98.2M |
| Net cash used in financing activities from discontinued operations | -$3.9M | -$13.9M |
| Net cash used in financing activities | -$4.3M | -$112.1M |
| Effect of foreign exchange rate on cash | $109.0K | -$144.0K |
| Net increase in cash, cash equivalents and restricted cash | $31.8M | $58.0M |
| Cash paid for interest | $620.0K | $6.4M |
| Cash paid for income taxes, net of refunds received | $817.0K | $1.1M |
| Interest paid in kind - related parties | $0 | $5.9M |
| Purchases of property, plant and equipment included in accounts payable and accrued expenses | $260.0K | $231.0K |
| Right-of-use assets obtained for financing lease liabilities | $0 | $150.0K |
No quarter-by-quarter statement was filed.
Leadership
Who has led MAMMOTH ENERGY SERVICES, INC., and when. Pick a name to see everywhere that person has worked.
- Chief executive officerArty Straehla Oct 13, 2016 to Dec 19, 202313
- Chief financial officerMark E. Layton Oct 13, 2016 to Mar 7, 202314
Board members and other officers (16)
- Chief Business OfficerCharles E. Davidson Jun 22, 2026 to now15
- Chief Business OfficerPaul M. Jacobi Jun 22, 2026 to now16
- VP, Gen. Couns., Asst. Sec.Rusty Neal Laforge Aug 9, 2018 to Aug 9, 201817
- Board memberPhillip Lancaster Jul 1, 2026 to now18
- Board memberMark Lawrence Plaumann Sep 17, 2026 to now19
- Board memberPaul M. Jacobi Jul 7, 2020 to now20
- Board memberCorey J. Booker Aug 19, 2020 to Nov 26, 202421
- Board memberArthur H. Amron Jan 29, 2019 to now22
- Board memberJonathan H. Yellen Nov 20, 2019 to Nov 20, 201923
- Board memberPaul K. Heerwagen Iv. Jan 10, 2017 to Jun 7, 201924
- Board memberJames D. Palm Jul 6, 2017 to Jun 14, 202425
- Board memberAaron Gaydosik Oct 13, 2016 to Oct 21, 201626
- Board memberArty Straehla Oct 13, 2016 to Dec 19, 202313
- Board memberCharles E. Davidson Oct 13, 2016 to now27
- Board memberMarc T. McCarthy Oct 13, 2016 to Jun 7, 201928
- Board memberMatthew Ross Nov 9, 2016 to Nov 22, 201929
Timeline
- Oct 13, 2016New chief executive Arty Straehla becomes CEO13
Filings
142 filings to the SEC since October 2021: 5 annual reports, 15 quarterly reports, 42 major events, 45 insider forms, 12 large holders, 23 other. The latest 20:
- Sep 17, 20264 EDGAR
- Aug 7, 202610-Q EDGAR
- Aug 7, 20268-K EDGAR
- Jul 1, 20264 EDGAR
- Jun 26, 20268-K EDGAR
- Jun 22, 2026SCHEDULE 13G EDGAR
- Jun 22, 2026SCHEDULE 13G/A EDGAR
- Jun 22, 20264 EDGAR
- Jun 22, 20264 EDGAR
- Jun 22, 20264 EDGAR
- Jun 22, 20264 EDGAR
- Jun 15, 20264 EDGAR
- May 28, 20264 EDGAR
- May 15, 2026ARS EDGAR
- May 15, 2026DEFA14A EDGAR
- May 15, 2026DEF 14A EDGAR
- May 15, 20268-K EDGAR
- May 11, 202610-Q EDGAR
- May 11, 20268-K EDGAR
- Mar 6, 202610-K EDGAR
The 142 filings since October 2021 can be filtered by form type and year here when JavaScript is on.
Every filing from the last five years, summarized. The full record is on SEC EDGAR.
Insider trades
39 open-market trades by officers, directors and large owners since October 2021: 20 buys and 19 sales. Grants, option exercises and gifts are left out.
| Date | Who | Trade | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| Sep 16, 2026 | Plaumann Mark LawrenceDirector | Buy | 5,000 | $3.00 | $15.0K | Form 4 |
| Jun 17, 2026 | Wexford GP LLCChief Business Officer | Buy | 4,019,574 | $2.60 | $10.5M | Form 4 |
| Jun 12, 2026 | Amron Arthur HDirector | Buy | 2,000 | $3.28 | $6.6K | Form 4 |
| Jun 11, 2026 | Amron Arthur HDirector | Buy | 2,500 | $3.22 | $8.1K | Form 4 |
| May 28, 2026 | Amron Arthur HDirector | Buy | 3,000 | $3.25 | $9.8K | Form 4 |
| May 26, 2026 | Amron Arthur HDirector | Buy | 2,500 | $3.24 | $8.1K | Form 4 |
| Dec 11, 2025 | Amron Arthur HDirector | Buy | 10,000 | $1.89 | $18.9K | Form 4 |
| May 22, 2025 | SMITH ARTHUR LDirector | Sale | 20,000 | $2.51 | $50.2K | Form 4 |
| May 20, 2025 | SMITH ARTHUR LDirector | Sale | 50,000 | $2.51 | $125.5K | Form 4 |
| May 19, 2025 | SMITH ARTHUR LDirector | Sale | 15,000 | $2.49 | $37.4K | Form 4 |
| Dec 12, 2024 | Amron Arthur HDirector | Buy | 1,000 | $2.97 | $3.0K | Form 4 |
| Nov 25, 2024 | Booker Corey J.Director | Sale | 15,000 | $3.47 | $52.0K | Form 4 |
| Nov 22, 2024 | Booker Corey J.Director | Sale | 10,000 | $3.43 | $34.3K | Form 4 |
| Nov 21, 2024 | Booker Corey J.Director | Sale | 6,709 | $3.25 | $21.8K | Form 4 |
| Nov 20, 2024 | Booker Corey J.Director | Sale | 5,000 | $3.21 | $16.1K | Form 4 |
| Nov 14, 2024 | Booker Corey J.Director | Sale | 3,607 | $3.50 | $12.6K | Form 4 |
| Nov 13, 2024 | Booker Corey J.Director | Sale | 7,100 | $3.68 | $26.1K | Form 4 |
| Nov 11, 2024 | Booker Corey J.Director | Sale | 3,494 | $3.61 | $12.6K | Form 4 |
| Nov 8, 2024 | Booker Corey J.Director | Sale | 24 | $3.76 | $90 | Form 4 |
| Nov 7, 2024 | Booker Corey J.Director | Sale | 165 | $3.90 | $644 | Form 4 |
All 39 trades can be filtered by person here when JavaScript is on.
From Forms 4 filed with the SEC.
Major holders
Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.
- Charles E. DavidsonSCHEDULE 13G, 1 filing Jun 22, 202630
- WEXFORD CAPITAL LPSCHEDULE 13G/A, 4 filings Feb 9, 2022 to Jun 22, 202631
- VALUEWORKS LLCSCHEDULE 13G/A, 4 filings Feb 10, 2023 to Aug 14, 202532
- ADAGE CAPITAL PARTNERS GP, L.L.C.SC 13G/A, 3 filings Apr 21, 2022 to Feb 7, 202433
Held by these funds
The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 93. Change is in shares since the quarter before.
| Fund | Shares | Value | Share of the fund | Change |
|---|---|---|---|---|
| Wexford Capital LP | 12,071,823 | $39.2M | 5.4% | −9,996,389 |
| Adage Capital Partners Gp, L.l.c. | 4,575,000 | $14.9M | 0.0% | No change |
| Vanguard Capital Management LLC | 1,059,603 | $3.4M | 0.0% | +240,483 |
| Peapod Lane Capital LLC | 807,804 | $2.6M | 1.8% | +207,999 |
| Dimensional Fund Advisors LP | 691,667 | $2.2M | 0.0% | +5,468 |
| Jane Street Group, LLC | 506,662 | $1.6M | 0.0% | +483,808 |
| Citadel Advisors LLC | 452,163 | $1.5M | 0.0% | +120,796 |
| BlackRock, Inc. | 407,976 | $1.3M | 0.0% | −1,046,863 |
| Marshall Wace, Llp | 395,583 | $1.3M | 0.0% | New |
| Johns Hopkins University | 387,359 | $1.3M | 0.1% | New |
| Bridgeway Capital Management, LLC | 332,313 | $1.1M | 0.0% | No change |
| Russell Investments Group, Ltd. | 329,821 | $1.1M | 0.0% | +261,791 |
| Geode Capital Management, LLC | 306,028 | $995.7K | 0.0% | −304,898 |
| Renaissance Technologies LLC | 292,280 | $949.9K | 0.0% | +60,308 |
| Arrowstreet Capital, Limited Partnership | 290,096 | $942.8K | 0.0% | New |
| Empowered Funds, LLC | 241,313 | $784.3K | 0.0% | No change |
| Aqr Capital Management LLC | 177,824 | $577.9K | 0.0% | +111,093 |
| Vanguard Fiduciary Trust Co | 161,791 | $525.8K | 0.0% | −8,340 |
| Round Rock Advisors LLC | 152,841 | $496.7K | 0.1% | New |
| Morgan Stanley | 133,560 | $434.1K | 0.0% | −19,163 |
| Centiva Capital, LP | 130,870 | $425.3K | 0.0% | +19,762 |
| Millennium Management LLC | 124,186 | $403.6K | 0.0% | New |
| Marquette Asset Management, LLC | 109,826 | $356.9K | 0.0% | New |
| Stifel Financial Corp | 105,572 | $343.1K | 0.0% | No change |
| State Street Corp | 101,864 | $331.1K | 0.0% | −320,058 |
13F reports cover disclosed long positions in U.S. stocks only.
Sources
The numbers on this page point here. Each one links to the record it came from.
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- 18SEC EDGARPhillip Lancaster, Board member
- 19SEC EDGARMark Lawrence Plaumann, Board member
- 20SEC EDGARPaul M. Jacobi, Board member
- 21SEC EDGARCorey J. Booker, Board member
- 22SEC EDGARArthur H. Amron, Board member
- 23SEC EDGARJonathan H. Yellen, Board member
- 24SEC EDGARPaul K. Heerwagen Iv., Board member
- 25SEC EDGARJames D. Palm, Board member
- 26SEC EDGARAaron Gaydosik, Board member
- 27SEC EDGARCharles E. Davidson, Board member
- 28SEC EDGARMarc T. McCarthy, Board member
- 29SEC EDGARMatthew Ross, Board member
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