Mammoth Energy Services, Inc.
Cash Flow Statement
| Line Item | Jun 2026 | Mar 2026 | Dec 2025 | Sep 2025 | Jun 2025 | Mar 2025 | Dec 2024 | Sep 2024 |
|---|---|---|---|---|---|---|---|---|
| Operating Activities | ||||||||
| Net Income | $-760.0K | $5.2M | $8.9M | $-12.6M | $8.8M | $-537.0K | $-15.5M | $-24.0M |
| Depreciation & Amortization | — | — | — | — | — | — | — | — |
| Depreciation | $4.4M | $3.4M | $2.5M | $1.9M | $2.2M | $2.0M | $-1.5M | $2.4M |
| Amortization | $14.0K | $14.0K | $13.0K | $14.0K | $14.0K | $14.0K | $-166.0K | $14.0K |
| Stock-Based Compensation | $0 | $0 | $0 | $1.0K | $200.0K | $211.0K | $218.0K | $266.0K |
| Net Cash from Operating Activities | $-7.0M | $-3.0M | $-9.5M | $730.0K | $-12.5M | $2.7M | $141.4M | $-1.2M |
| Investing Activities | ||||||||
| Capital Expenditures | $44.0M | $11.7M | $25.9M | $17.3M | $26.9M | $462.0K | $10.9M | $159.0K |
| Business Acquisitions | — | — | — | — | — | — | — | — |
| Net Cash from Investing Activities | $-34.7M | $-5.8M | $-4.0M | $-30.3M | $91.9M | $-3.0M | $-4.5M | $-1.4M |
| Financing Activities | ||||||||
| Dividends Paid | — | — | — | — | — | — | — | — |
| Stock Repurchases | $130.0K | $404.0K | — | — | $0 | $0 | — | — |
| Net Cash from Financing Activities | $-205.0K | $-465.0K | $-65.0K | $-121.0K | $-303.0K | $-3.8M | $-60.6M | $-1.5M |
| Net Change in Cash | $-42.0M | $-9.3M | $-13.6M | $-29.7M | $79.1M | $-4.1M | $76.2M | $-4.1M |
| Free Cash Flow | $-51.0M | $-14.7M | $-35.4M | $-16.6M | $-39.4M | $2.2M | $130.5M | $-1.4M |