The firm remains in a persistent cash-burning state, with quarterly free cash flow outflows reaching $14.6 million in 2026Q1, necessitating continued reliance on external capital.
| Cash from Operations | -55.2M | -54.12M | -36.34M | -33.04M | -47.01M | -54.1M | -35.37M | -34.19M | -23.9M | -11.09M | -8.05M | -3.32M | -173.14K |
| Operating CF Margin % | - | -15463.43% | - | - | -6716.14% | -3815.02% | - | - | - | - | - | - | - |
| Operating CF Growth % | -166.35% | -48.92% | -9.99% | 29.72% | 13.1% | -52.97% | -3.45% | -43.06% | -115.53% | -37.71% | -142.74% | -1815.62% | - |
| Net Income | -74.57M | -72.78M | -53.59M | -42.21M | -58.51M | -63.66M | -49.85M | -46.97M | -37.55M | -25.57M | -9.52M | -2.81M | -474.86K |
| Depreciation & Amortization | 1.04M | 1.07M | 1.18M | 1.21M | 1.35M | 1.15M | 1.09M | 1.16M | 1.31M | 1M | 759K | 716.98K | 200.57K |
| Stock-Based Compensation | 17.69M | 21.46M | 13.59M | 7.18M | 5.19M | 14.6M | 10.07M | 11.29M | 12.34M | 10.93M | 870K | 402.09K | 0 |
| Deferred Taxes | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28K | 26K | -870K | -1.66M | 0 |
| Other Non-Cash Items | 1.8M | 1.15M | 6K | 13K | 8.66M | 13K | 116K | -521K | -112K | 2.12M | 874K | 1.66M | -18.86K |
| Working Capital Changes | -1.16M | -5.02M | 2.47M | 768K | -3.72M | -6.2M | 3.2M | 860K | 113K | 408K | -166K | -1.62M | 120K |
| Change in Receivables | -212K | -274K | 48K | 109K | 20K | -61K | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | -176K | -136K | 0 | 0 | -2.65M | -5.82M | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | 272K | 1.13M | -201K | 263K | -1.3M | 1.16M | -266K | 646K | 490K | 517K | 3K | 124.74K | 0 |
| Cash from Investing | -323K | -335K | -125K | -121K | -401K | 7.56M | 10.04M | -10.1M | 26.12M | -23M | -14.38M | -86.03K | -77.14K |
| Capital Expenditures | -303K | -315K | -125K | -121K | -401K | -437K | -441K | -608K | -276K | -2.55M | -64K | -86.03K | -78.86K |
| CapEx % of Revenue | 40.35% | 90% | - | - | 57.29% | 30.82% | - | - | - | - | - | - | - |
| Acquisitions | 0 | 0 | 0 | 0 | 0 | 0 | -10.48M | 0 | 0 | 0 | 64K | 0 | 1.71K |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -20K | -20K | 0 | 0 | 0 | 0 | 10.48M | 0 | 26.39M | -20.45M | -64K | 0 | 0 |
| Cash from Financing | 4.56M | 17.15M | 110.14M | 16.39M | 79.94M | 62.69M | 30.89M | 82K | 45.5M | 35.38M | 20.91M | 0 | 12.27M |
| Debt Issued (Net) | 0 | 0 | 0 | 0 | 65M | 407K | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Equity Issued (Net) | 4.91M | 17.15M | 59.65M | 16.39M | 14.86M | -232K | 29.43M | 695K | 44.79M | 34.84M | 20.91M | 0 | 0 |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | -352K | 0 | 50.49M | -6K | 75K | 62.51M | 1.45M | -613K | 710K | 539K | 0 | 0 | 12.27M |
| Net Change in Cash | -50.96M | -37.3M | 73.67M | -16.77M | 32.52M | 16.15M | 5.56M | -44.2M | 47.72M | 1.3M | -1.52M | -3.4M | 12.02M |
| Free Cash Flow | -55.5M | -54.44M | -36.47M | -33.16M | -47.41M | -54.53M | -35.81M | -34.79M | -24.17M | -13.64M | -8.12M | -3.4M | -252K |
| FCF Margin % | -7390.01% | -15553.43% | - | - | -6773.43% | -3845.84% | - | - | - | - | - | - | - |
| FCF Growth % | -37.89% | -49.27% | -9.97% | 30.06% | 13.06% | -52.3% | -2.91% | -43.94% | -77.24% | -68.06% | -138.48% | -1250.32% | - |
| FCF per Share | -0.82 | -0.81 | -0.62 | -0.69 | -1.40 | -1.95 | -1.54 | -1.68 | -1.42 | -0.92 | -0.74 | -0.45 | -0.10 |
| FCF Conversion (FCF/Net Income) | 0.74x | 0.74x | 0.68x | 0.78x | 0.80x | 0.85x | 0.71x | 0.74x | 0.64x | 0.43x | 0.85x | 1.18x | 0.36x |
| Interest Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Clinical trial execution failure
As reported in financial statements, the company's OCF/NI ratio has fluctuated between 0.47 and 0.96 over the last ten quarters, suggesting that net losses are consistently mitigated by non-cash adjustments rather than reflecting a sustainable alignment between accounting profitability and actual cash generation.
The persistent gap between net income and operating cash flow appears largely driven by significant stock-based compensation and other non-cash charges. Investors should monitor whether this divergence narrows as the company attempts to transition toward a more commercialized revenue model.
Based on recent SEC filings, Pulse Biosciences has maintained a consistent negative free cash flow trajectory, with quarterly outflows reaching as high as $14.9 million, indicating that the firm remains entirely dependent on external capital to fund its ongoing clinical and operational development activities.
The lack of positive FCF margins suggests that the company is currently in a capital-intensive phase where cash consumption is decoupled from revenue growth. This trend warrants further investigation into how long the current cash position can sustain operations before additional dilutive financing becomes necessary.
According to reported figures, the company's capital intensity remains remarkably low, with CapEx/Revenue ratios showing extreme volatility due to the nascent revenue base, often falling well below the levels required to support a large-scale manufacturing or distribution infrastructure for its proprietary pulse power systems.
The low absolute level of capital expenditure suggests that the company may be outsourcing key manufacturing processes or deferring significant infrastructure investment until clinical validation is achieved. This strategy appears to preserve cash in the short term but may create bottlenecks if the company successfully scales its commercial operations.
As indicated by quarterly data, working capital changes have swung between a $3.2 million inflow and a $2.9 million outflow, highlighting the inherent instability in managing inventory and receivables for a company that has yet to establish a predictable, high-volume commercial sales cycle.
These fluctuations suggest that the company is likely managing inventory build-ups in anticipation of clinical milestones or regulatory approvals. Investors should monitor these shifts as they may indicate early-stage supply chain friction or challenges in converting inventory into realized cash flow.
Quick answers to the most common questions about buying PLSE stock.
Pulse Biosciences, Inc. (PLSE) generated $-54.1M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Pulse Biosciences, Inc. (PLSE) reported negative free cash flow of $54.4M in 2025, indicating capital requirements exceeded cash from operations.
Pulse Biosciences, Inc. (PLSE) spent $0.3M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.