Business Context and Reporting Period
Company: Mammoth Energy Services, Inc. (TUSK)
Filing Type: Form 10-K (Annual Report)
Period Ended: December 31, 2025
Business Overview: An integrated services company operating in oil and natural gas, aviation, and utility infrastructure sectors. Key segments include Rental Services (equipment and aviation), Infrastructure Services (fiber networks), Natural Sand Proppant Services, Accommodation Services, and Drilling Services.
Strategic Shift: The company completed four strategic divestitures in 2025 (infrastructure distribution/transmission, hydraulic fracturing equipment, Piranha Proppant assets, and engineering services), which are reported as discontinued operations.
Key Financial Metrics
| Metric (in thousands) | 2025 | 2024 |
|---|---|---|
| Total Revenue | $44,292 | $45,599 |
| Net Loss from Continuing Operations | $(63,756) | $(183,112) |
| Net Income (Loss) (Including Discontinued Ops) | $4,597 | $(207,326) |
| Adjusted EBITDA (Continuing Ops) | $(17,431) | $(171,215) |
| Cash and Cash Equivalents | $101,987 | $60,845 |
| Unrestricted Cash | $102,000 | $60,800 |
| Outstanding Debt | $0 | $0 |
| Available Borrowing Capacity | $38,200 | $17,700 |
Note: 2024 results were significantly impacted by a $170.7 million non-cash charge related to the PREPA settlement.
Material Changes vs. Prior Period
- Profitability Improvement: Net loss from continuing operations narrowed significantly from $183.1 million in 2024 to $63.8 million in 2025. This improvement is primarily due to the absence of the $170.7 million non-cash credit loss and interest charge recorded in 2024 related to the Puerto Rico Electric Power Authority (PREPA) settlement.
- Revenue Decline: Total revenue decreased 3% to $44.3 million. This was driven by declines in Natural Sand Proppant Services (down 13% due to lower average sales prices) and Accommodation Services (down 17% due to lower utilization), partially offset by a 56% increase in Rental Services revenue.
- Asset Impairment: The company recognized a $31.7 million impairment charge in 2025 related to natural sand proppant assets (Piranha and Muskie plants) classified as held for sale. No similar charge occurred in 2024.
- Debt Elimination: The company paid off its $50.9 million term credit facility in October 2024 using proceeds from the PREPA settlement. As of December 31, 2025, the company has no outstanding debt.
- Capital Expenditures: CapEx surged to $70.6 million in 2025 (up from $1.2 million in 2024), primarily driven by $70.0 million in purchases of aircraft and equipment for the Rental Services segment.
Guidance, Outlook, and Risks
- 2026 Outlook: Management expects oil and gas activity to remain steady in the first half of 2026 with potential upside in the second half, driven by LNG export capacity and power demand. Natural sand proppant activity is expected to be relatively steady with moderate upside potential.
- Capital Plan: Estimated capital expenditures for 2026 (excluding aviation equipment) are approximately $11 million.
- PREPA Contingency: As of December 31, 2025, $20.0 million remains outstanding from PREPA under the settlement agreement. While the company believes the appeals against the settlement are without merit, failure to collect this amount could materially affect financial condition.
- Key Risks:
- Customer Concentration: Top five customers accounted for 55% of 2025 revenue.
- Commodity Volatility: Demand is highly sensitive to oil and natural gas prices and rig counts.
- Asset Obsolescence: Risk of impairment charges if aircraft assets become obsolete or demand declines.
- Regulatory/Environmental: Exposure to changing environmental regulations, water rights, and climate change policies.
Investor Verification Checklist
- PREPA Collection Status: Verify the collection status of the remaining $20.0 million receivable from PREPA and the outcome of pending appeals by Puerto Rican municipalities.
- Rental Segment Utilization: Confirm the sustainability of the 56% revenue growth in Rental Services and the absorption of the $70 million in new capital expenditures.
- Sand Proppant Margins: Assess the impact of the 12% decrease in average sand sales price on future profitability, given the high cost structure (cost of revenue was 109% of revenue in 2025).
- Discontinued Operations: Review the final proceeds and tax implications of the four divestitures completed in 2025, which generated $68.4 million in net income from discontinued operations.
- Liquidity Position: Validate the $102 million unrestricted cash balance and the $38.2 million available borrowing capacity under the revolving credit facility.