Short answer
MAMMOTH ENERGY SERVICES, INC. (TUSK) filed its fiscal 2025 10-K annual report with the SEC on Mar 6, 2026. It reported revenue of $44M (−76.4% year over year) and net income of $5M.
- Top risk flagged: Legal risk: PREPA bankruptcy proceedings in U.S. District Court for Puerto Rico, $20M outstanding payable due within seven days post-PREPA plan approval
FY2025 key financial metrics · XBRL
- Revenue
- $44M
- −76.4% YoY
- Net income
- $5M
- +102.2% YoY
- Operating margin
- -129.7%
- −61.2 pp YoY
- EPS (diluted)
- $0.10
- +102.3% YoY
- ROE
- 1.8%
- +83.8 pp YoY
- Operating cash flow
- −$19M
- −110.3% YoY
Source: XBRL data from the MAMMOTH ENERGY SERVICES, INC. (TUSK) FY2025 10-K on SEC EDGAR. USD.
MAMMOTH ENERGY SERVICES, INC. FY2025 10-K analysis
AI summary of each section, grounded in the filing text
Business Overview
- Core business model: Mining, processing, and selling Northern White frac sand primarily from Taylor and Piranha mines in Wisconsin
- New strategic action: Sold idled Muskie facility in January 2026, exiting that production segment and reducing non-core assets
- Competitive positioning: Taylor mine’s proven frac sand reserves at 22.1 million tons with processing capacity of 2.2 million tons/year, advantaged by superior sand quality and rail access
- Quantitative metric: Total sand mined increased 21% to 661,000 tons in 2025 from 545,000 tons in 2024 driven by Piranha’s production jump from 53,000 to 136,000 tons
- Noteworthy fact: Muskie plant idled since September 2018 with zero carrying value as of December 31, 2025, reflecting adverse market conditions and asset impairment
Management Discussion & Analysis
- Cash flow, buybacks, dividends, and capex information not included
- Forward-looking statements indicate uncertainty, no specific guidance or risk details provided
Risk Factors
- Legal risk: PREPA bankruptcy proceedings in U.S. District Court for Puerto Rico, $20M outstanding payable due within seven days post-PREPA plan approval
- Macroeconomic risk: Temporary shutdown of crude oil hauling, cementing, acidizing, drilling due to reduced demand, impacting operations and workforce size
- Supply chain risk: $70M 2025 capex mainly for aircraft and equipment in rental services, essential for operations and growth investments
- Market disruption risk: Potential acquisitions in renewable energy and Wexford-related entities pose integration and capital allocation uncertainties
- Financial risk: $170.7M non-cash pre-tax charge in 2024 for PREPA receivable impairment, reflecting credit loss and interest adjustments impacting liquidity
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