Persistent negative free cash flow trends, evidenced by the -$19.6 million in operating cash flow during 2026Q1, underscore the company's continued reliance on external capital to fund its commercial infrastructure build-out.
| Cash from Operations | -92.85M | -85.62M | -130.9M | -96.51M | -77.1M | -70.91M | -58.82M | -48.05M | -25.42M | -27.87M | -21.64M | -10.82M |
| Operating CF Margin % | - | -243.84% | -5119.32% | - | - | - | -1960.6% | - | - | - | - | - |
| Operating CF Growth % | 13.97% | 34.59% | -35.63% | -25.17% | -8.74% | -20.55% | -22.4% | -89.04% | 8.79% | -28.8% | -100.06% | - |
| Net Income | -99.72M | -79.2M | -37.45M | -101.17M | -93.87M | -88.7M | -62.13M | -52.81M | -33.28M | -33.88M | -22.98M | -13.22M |
| Depreciation & Amortization | 1.04M | 1.28M | 796K | 419K | 513K | 1.89M | 1.23M | 672K | 103K | 195K | 300K | 400K |
| Stock-Based Compensation | 3.78M | 4.3M | 8.2M | 8.69M | 5.2M | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Cash Items | 3.77M | -9.42M | -105.13M | -4.79M | 5.32M | 17.4M | 6.15M | 7.32M | 4.63M | 2.39M | 1.55M | 555K |
| Working Capital Changes | -1.71M | -2.58M | 2.67M | 344K | 5.74M | -1.5M | -4.06M | -3.24M | 3.13M | 3.42M | -517K | 1.45M |
| Change in Receivables | -605K | 497K | -1.07M | 0 | 0 | 0 | 0 | 0 | -1.37M | -64K | 152K | -56K |
| Change in Inventory | -1.55M | -1.66M | -2.82M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | -6.08M | -2.98M | -286K | 1.23M | 3.42M | 1.17M | 1.03M | -2.75M | 1.31M | 182K | 0 | 0 |
| Cash from Investing | 30.54M | 8.15M | 66.99M | -14.88M | -103K | -615K | -1.36M | 27.23M | 0 | -42K | -138K | -247K |
| Capital Expenditures | 0 | -3M | -326K | -60K | -103K | -615K | -1.36M | -174K | 0 | -42K | -73K | -170K |
| CapEx % of Revenue | 0% | 8.54% | 12.75% | - | - | - | 45.4% | - | - | - | - | - |
| Acquisitions | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26.41M | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 0 | 0 | 98M | 0 | 0 | 0 | 0 | 1M | 0 | 0 | 0 | 0 |
| Cash from Financing | 238.63M | 238.63M | 20.29M | 88.52M | 117.23M | 74.25M | 12.39M | 140.66M | 6.87M | 101.26M | 18.15M | 11.51M |
| Debt Issued (Net) | 0 | 0 | 20M | 20.44M | -795K | 0 | 12.39M | 481K | -1.14M | 3.28M | 12.73M | 4.5M |
| Equity Issued (Net) | 238.58M | 238.53M | 0 | 60M | 122.63M | 74.25M | 284K | 140.18M | 3.34M | 105.86M | 5.41M | 7M |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | 0 | 0 | 0 | 0 | 0 | -2M | 0 | 0 | -1.13M | -197K | -87K | -12K |
| Other Financing | 54K | 98K | 294K | 8.08M | -4.61M | 0 | -278K | 0 | 4.67M | -7.87M | 0 | 0 |
| Net Change in Cash | 175.85M | 161.38M | -43.77M | -22.78M | 39.92M | 2.81M | -47.21M | 118.05M | -68.66M | 73.76M | -3.72M | 6.76M |
| Free Cash Flow | -73.25M | -88.62M | -138.23M | -96.57M | -77.2M | -71.52M | -60.18M | -48.23M | -25.42M | -27.91M | -21.71M | -10.99M |
| FCF Margin % | -812.62% | -252.38% | -5405.83% | - | - | - | -2006% | - | - | - | - | - |
| FCF Growth % | 33.37% | 35.89% | -43.13% | -25.09% | -7.95% | -18.84% | -24.78% | -89.73% | 8.93% | -28.56% | -97.63% | - |
| FCF per Share | -0.58 | -2.10 | -20.62 | -16.29 | -36.46 | -83.33 | -89.92 | -125.49 | -9972.54 | -14621.79 | -1640.50 | -1051.19 |
| FCF Conversion (FCF/Net Income) | 0.73x | 1.08x | 3.50x | 0.95x | 0.82x | 0.80x | 0.95x | 0.91x | 0.76x | 0.82x | 0.94x | 0.82x |
| Interest Paid | 0 | 8.05M | 7.77M | 4.6M | 3.01M | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Commercialization and diagnostic adoption
As reported in financial statements, the relationship between net income and operating cash flow remains highly volatile, with the OCF/NI ratio fluctuating wildly due to non-recurring income events that obscure the underlying cash-generative capacity of the company's core commercial operations during this critical launch phase.
The significant divergence between net income and operating cash flow suggests that accounting profits are heavily influenced by one-time items rather than operational efficiency. Investors should monitor whether the company can achieve a more stable conversion ratio as it moves past the initial commercialization phase and into steady-state revenue generation.
Based on XFOR's reported figures, free cash flow remains consistently negative, with the company burning through capital to fund clinical trials and commercial infrastructure, a trend that highlights the ongoing reliance on external financing despite the recent, non-recurring liquidity boost from the Priority Review Voucher sale.
The persistent negative FCF trajectory indicates that the company is still in a heavy investment cycle where cash outflows for R&D and SG&A significantly exceed product-related inflows. This pattern warrants further investigation into the timeline for achieving cash flow breakeven, particularly as the chronic neutropenia program scales.
According to recent SEC filings, working capital changes have been inconsistent, frequently acting as a drag on operating cash flow and reflecting the complexities of managing inventory and receivables during the early stages of a specialized orphan drug product launch in the US market.
The erratic nature of working capital adjustments suggests that the company is still refining its supply chain and collection processes for XOLREMDI. This volatility may indicate potential friction in the transition from clinical-stage operations to a commercial model, which could impact short-term liquidity if not managed effectively.
As evidenced by the company's financial data, capital deployment is currently focused entirely on funding R&D and commercial expansion, with no dividends or share repurchases, reflecting a strategic decision to prioritize the chronic neutropenia program over immediate returns to shareholders during this high-stakes growth period.
Management appears to be utilizing available cash to aggressively pursue broader indications, which is a high-risk strategy that requires sustained capital access. Investors should monitor the efficiency of this capital deployment, as the current burn rate necessitates a disciplined approach to ensure the runway remains sufficient for clinical milestones.
Quick answers to the most common questions about buying XFOR stock.
X4 Pharmaceuticals, Inc. (XFOR) generated $-85.6M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
X4 Pharmaceuticals, Inc. (XFOR) reported negative free cash flow of $88.6M in 2025, indicating capital requirements exceeded cash from operations.
X4 Pharmaceuticals, Inc. (XFOR) spent $3.0M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.