Persistent cash burn is evidenced by consistent negative free cash flow, which peaked at an outflow of $13.3 million in 2024Q3, highlighting a total reliance on external financing.
| Cash from Operations | -12.62M | -13.39M | -10.28M | -6.01M | -2.94M | -2.75M | -2.53M | -1.91M | -1.68M | -1.54M | -1.27M |
| Operating CF Margin % | - | - | - | - | - | - | - | - | - | - | - |
| Operating CF Growth % | -77.93% | -30.21% | -71.04% | -104.22% | -7.05% | -8.61% | -32.21% | -14.03% | -9.3% | -21.35% | - |
| Net Income | -7.74M | -1.13M | -42.14M | -18.69M | -7.37M | -15.78M | -9.54M | -2.16M | -1.83M | -2.48M | -2.55M |
| Depreciation & Amortization | 340.01K | 391.09K | 237.64K | 15.23K | 0 | 29.4K | 62.11K | 60.69K | 6.76K | 6.96K | 1.25K |
| Stock-Based Compensation | 3.24M | 0 | 5.29M | 6.38M | 7.58M | 3.74M | 469.47K | 238.85K | 418.35K | 977.64K | 829.91K |
| Deferred Taxes | -3.97M | -3.77M | -2.13M | -1.85M | -1.02M | 1.04M | -57.88K | 65.05K | -309.3K | -33.31K | 75.78K |
| Other Non-Cash Items | -2.62M | -6.49M | 28.63M | 11.27M | -2.3M | 8.08M | 6.59M | 26.22K | 0 | 0 | 302.88K |
| Working Capital Changes | -1.89M | -2.39M | -166.92K | -3.14M | 184.11K | 137.95K | -51.81K | -143.33K | 37.28K | -4.51K | 69.5K |
| Change in Receivables | -169.78K | -45.09K | 260.31K | -5.3K | 83.02K | -61.11K | -43.43K | 40.95K | -43.58K | 137.53K | -159.44K |
| Change in Inventory | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -34.87M | -20.94M | -32.04M | -13.6M | -8.69M | -5.34M | -5.66M | -4.24M | -2.52M | -2.65M | -2.83M |
| Capital Expenditures | -27.84M | -24.02M | -22.97M | -10.03M | -8.69M | -5.53M | -5.66M | -4.24M | -2.52M | -2.65M | -2.83M |
| CapEx % of Revenue | - | - | - | - | - | - | - | - | - | - | - |
| Acquisitions | 0 | 0 | 0 | 432.78K | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -412.66K | 5.75M | -5.92M | 0 | 0 | 192.2K | 0 | 0 | 0 | 0 | 0 |
| Cash from Financing | 132.07M | 75.99M | 26.5M | 36.77M | 17.76M | 7.67M | 15.64M | 6.33M | 7.28M | 1.02M | 10.58M |
| Debt Issued (Net) | -134.49K | 0 | -156K | -10.9K | 5.3M | -28.02K | 7.84M | -50.28K | 0 | 0 | 0 |
| Equity Issued (Net) | 132.78M | 76.17M | 23M | 36.61M | 13.03M | 0 | 8.66M | 6.72M | 7.71M | 1.1M | 11.14M |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | -568.69K | -173.35K | 3.66M | 173.41K | -566.96K | 7.7M | -861.28K | -339.64K | -428.99K | -83.32K | -559.72K |
| Net Change in Cash | 84.74M | 42.55M | -15.74M | 17.12M | 6.3M | -417.5K | 7.45M | 181.82K | 3.08M | -3.17M | 6.49M |
| Free Cash Flow | -28.53M | -13.88M | -33.25M | -16.04M | -11.64M | -8.28M | -8.2M | -6.15M | -4.2M | -4.18M | -4.09M |
| FCF Margin % | - | - | - | - | - | - | - | - | - | - | - |
| FCF Growth % | 15.38% | 58.25% | -107.26% | -37.84% | -40.59% | -1% | -33.24% | -46.42% | -0.42% | -2.25% | - |
| FCF per Share | -0.48 | -0.27 | -0.70 | -0.56 | -0.44 | -0.34 | -0.38 | -0.35 | -0.32 | -0.38 | -0.75 |
| FCF Conversion (FCF/Net Income) | 3.69x | 11.88x | 0.24x | 0.32x | 0.40x | 0.17x | 0.27x | 0.86x | 0.92x | 0.62x | 0.50x |
| Interest Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Exploration and Permitting Uncertainty
As reported in financial statements, the lack of correlation between net income and operating cash flow, highlighted by an OCF/NI ratio that swung from -9.86 in 2025Q3 to 1.75 in 2026Q1, confirms that reported earnings are entirely decoupled from the company's underlying cash-consuming exploration activities.
The extreme volatility in the OCF/NI ratio suggests that net income is being driven by non-cash accounting adjustments or one-time items rather than operational performance. Investors should monitor this divergence, as it indicates that traditional profitability metrics are currently irrelevant for assessing the company's ability to fund its ongoing exploration programs.
Based on recent SEC filings, IsoEnergy has consistently reported negative free cash flow across all ten observed quarters, with a peak quarterly outflow of $13.3 million in 2024Q3, underscoring the company's total reliance on external capital to sustain its pre-revenue exploration and evaluation project pipeline.
The persistent negative FCF trajectory reflects the high capital intensity required to advance the Hurricane deposit and other assets. Without a clear path to revenue, this trend suggests that the company will remain dependent on equity markets or strategic partnerships to avoid depleting its current cash reserves.
According to historical data, quarterly capital expenditures have fluctuated significantly, reaching as high as $9.9 million in 2024Q3, which demonstrates the company's aggressive commitment to drilling and technical evaluation despite the absence of any offsetting revenue streams from its mineral properties.
These capital outlays are essentially growth-oriented, as they are directed toward proving the resource base rather than maintaining existing production. The variability in these expenditures may indicate shifting priorities in drilling programs or the timing of technical reporting requirements, which warrants close monitoring by stakeholders.
As shown in the cash flow statements, working capital changes have been highly erratic, ranging from a $2.8 million inflow in 2024Q4 to a $2.4 million outflow in 2023Q4, reflecting the unpredictable nature of managing exploration-related payables and the timing of project-specific vendor obligations.
The lack of a stable working capital cycle is typical for an exploration-stage entity, yet it introduces unnecessary noise into the quarterly cash burn profile. Investors should interpret these fluctuations as a byproduct of project-based accounting rather than a sign of operational efficiency or mismanagement of trade credit.
Based on reported figures, share-based compensation has remained a consistent non-cash expense, peaking at $2.8 million in 2023Q4, which effectively masks the true economic cost of talent retention and management incentives by excluding these figures from the primary operating cash flow calculations.
While SBC is a standard non-cash add-back, its magnitude relative to the company's cash burn suggests that equity-based compensation is a primary tool for preserving cash. Analysts should adjust for this dilution when evaluating the long-term cost of operations, as it represents a real economic cost to shareholders.
Quick answers to the most common questions about buying ISOU stock.
IsoEnergy Ltd. (ISOU) generated $-13.4M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
IsoEnergy Ltd. (ISOU) reported negative free cash flow of $13.9M in 2025, indicating capital requirements exceeded cash from operations.
IsoEnergy Ltd. (ISOU) spent $24.0M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.