Cash conversion is strong with operating cash flow exceeding net income by 87% in 2026Q2, and free cash flow margin expanded to 19.2%.
Kiniksa Pharmaceuticals International, plc (KNSA) cash flow statement — 10-year operating, investing & financing cash flows
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 |
|---|
| Cash from Operations | 185.23M | 25.69M | 25.69M | 13.3M | 5.81M | -126.3M | -136.53M | -158.37M | -81.01M | -50.22M | -21.87M |
| Operating CF Margin % | - | 3.79% | 6.07% | 4.92% | 2.64% | -327.67% | - | - | - | - | - |
| Operating CF Growth % | 1987.07% | 0% | 93.14% | 129.05% | 104.6% | 7.5% | 13.79% | -95.49% | -61.32% | -129.66% | - |
| Net Income | 80.66M | -43.19M | -43.19M | 14.08M | 183.36M | -157.92M | -161.38M | -161.87M | -103.23M | -64.87M | -23.97M |
| Depreciation & Amortization | 3.06M | 1.7M | 1.7M | 2.34M | 2.4M | 2.35M | 2.4M | 2.07M | 286K | 28K | 22K |
| Stock-Based Compensation | 35.76M | 30.69M | 30.69M | 27.15M | 25.12M | 25.17M | 20.88M | 15.08M | 5.7M | 897K | 368K |
| Deferred Taxes | 9.68M | 8.13M | 8.13M | -33.79M | -185.5M | 11K | 4.36M | -3.16M | -978K | -197K | -46K |
| Other Non-Cash Items | 139.6M | -23.27M | 3.55M | 2.17M | 2.99M | 3.4M | 1.52M | 6.53M | -1.12M | -53K | 293K |
| Working Capital Changes | 18.67M | 51.63M | 24.81M | 1.35M | -22.57M | 689K | -4.32M | -17.02M | 18.33M | 13.93M | 1.76M |
| Change in Receivables | 8.42M | 26.13M | -20.46M | -950K | -16.33M | -3.91M | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | -22.75M | 4.76M | 4.76M | -9.52M | -17.92M | -3.67M | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | -3.03M | -6.31M | -6.31M | 347K | 6.03M | 1.37M | -4.97M | -4.71M | 8.82M | 1.01M | 119K |
| Cash from Investing | -239.06M | 37.67M | 37.67M | -29.56M | -8.08M | 128.63M | -23.44M | 49.21M | -239.2M | -69K | -3K |
| Capital Expenditures | -837K | -277K | -277K | -130K | -105K | -415K | -283K | -3.2M | -5.29M | -69K | -3K |
| CapEx % of Revenue | 0.1% | 0.04% | 0.07% | 0.05% | 0.05% | 1.08% | - | - | - | - | - |
| Acquisitions | 0 | 0 | 25K | 0 | 0 | 0 | 23.16M | -52.42M | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -226.64M | 25K | 0 | 0 | 91K | -20M | -23.16M | 52.42M | -233.91M | 0 | 0 |
| Cash from Financing | 31.67M | 12.27M | 12.27M | 1.5M | 2.52M | 5.88M | 227.09M | 84.11M | 346.74M | 39.87M | 42.51M |
| Debt Issued (Net) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Equity Issued (Net) | -5.27M | -7.73M | -4.98M | -2.21M | 3.42M | 5.88M | 228.22M | 83.11M | 350.02M | 39.87M | 42.5M |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | -5.27M | -7.73M | -4.98M | -2.21M | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | 36.94M | 20M | 17.25M | 3.7M | -901K | 0 | -1.14M | 1M | -3.28M | 0 | 10K |
| Net Change in Cash | -22.17M | 75.63M | 75.63M | -14.76M | 245K | 8.22M | 67.11M | -25.05M | 26.53M | -10.41M | 20.64M |
| Free Cash Flow | 183.1M | 25.41M | 25.41M | 13.17M | 5.7M | -146.71M | -136.81M | -161.57M | -86.3M | -50.29M | -21.87M |
| FCF Margin % | 21.78% | 3.75% | 6% | 4.87% | 2.59% | -380.64% | - | - | - | - | - |
| FCF Growth % | 175.38% | 0% | 92.94% | 130.99% | 103.89% | -7.23% | 15.32% | -87.22% | -71.62% | -129.94% | - |
| FCF per Share | 2.20 | 0.32 | 0.36 | 0.18 | 0.08 | -2.14 | -2.21 | -2.99 | -2.92 | -1.55 | -0.67 |
| FCF Conversion (FCF/Net Income) | 2.27x | 0.44x | -0.59x | 0.94x | 0.03x | 0.80x | 0.85x | 0.98x | 0.78x | 0.77x | 0.91x |
| Interest Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 2M | 5.61M | 10.69M | 1.28M | 482K | 1.72M | 383K | 290K | 115K |
Quick answers to the most common questions about buying KNSA stock.
Kiniksa Pharmaceuticals International, plc (KNSA) generated $25.7M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Kiniksa Pharmaceuticals International, plc (KNSA) generated $25.4M in free cash flow in 2025. Free cash flow is the cash left over after capital expenditures, which can be used to pay dividends, repurchase shares, or pay down debt.
Kiniksa Pharmaceuticals International, plc (KNSA) 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.
In 2025, Kiniksa Pharmaceuticals International, plc (KNSA) spent $7.7M on share repurchases. This shows the company's commitment to returning capital to its equity investors.
Key Metrics
Top Statement Risk
KPL-404 clinical execution risk
Metrics are mathematically derived from official filings.
Cash Conversion Outpaces GAAP Earnings
Operating cash flow exceeded net income by 87% in 2026Q2, per the latest quarterly report, with OCF/NI at 1.87, indicating high earnings quality despite significant stock-based compensation.
The persistent gap between operating cash flow and net income, which turned positive in 2025Q1, suggests that reported earnings understate the company's cash-generating ability. The inclusion of non-cash charges like SBC and D&A, coupled with favorable working capital swings, has driven OCF/NI ratios above 2.0 in several quarters. This pattern implies that the company's profitability is not only real but also increasingly cash-backed, a positive signal for investors.
Free Cash Flow Inflects Sharply Upward
Free cash flow surged from $3.9M in 2024Q1 to $46.8M in 2026Q2, as reported in financial statements, with FCF margin expanding from 4.9% to 19.2%, reflecting strong operational leverage.
The trajectory of free cash flow shows a clear inflection point starting in 2025Q1, coinciding with the company's transition to profitability. FCF margins have consistently improved, reaching 26.4% in 2025Q4, and remain robust at 19.2% in 2026Q2. This trend suggests that the commercial scaling of ARCALYST is translating into substantial cash generation, which could support future investments or shareholder returns.
Minimal Capital Intensity Masks Growth
Capital expenditures averaged just 0.2% of revenue over the past year, per SEC filings, indicating an asset-light model where growth is driven by commercial execution rather than heavy infrastructure investment.
The company's capital expenditure is negligible, with quarterly CapEx never exceeding $0.7M, reflecting a business model that relies on outsourced manufacturing and a lean fixed-asset base. This low capital intensity allows nearly all operating cash flow to convert to free cash flow, a key differentiator versus traditional pharmaceutical manufacturers. The minimal capex suggests that future growth will not require significant capital outlays, preserving cash for pipeline development or strategic initiatives.
Working Capital Swings Amplify Cash Flow
Working capital changes contributed $19.4M to operating cash flow in 2025Q4, as reported in the cash flow statement, but reversed to a $10.1M drag in 2026Q2, highlighting quarter-to-quarter volatility.
The working capital line has been a significant source of volatility, with positive contributions in some quarters (e.g., $20.5M in 2024Q4) and negative in others. This pattern likely reflects the timing of collections and payables, as well as inventory management, but does not appear to signal a structural deterioration. Investors should monitor the cash conversion cycle, as the company's ability to manage working capital efficiently will be key to sustaining high OCF/NI ratios.
Capital Deployment Focused on Organic Growth
No dividends were paid and buybacks were minimal, with net repurchases of just $316K in 2026Q2, per the cash flow statement, indicating that cash is being retained for pipeline and commercial investment.
The company has not initiated a dividend and has only engaged in token share repurchases, suggesting a deliberate strategy to reinvest cash into the business. This is consistent with the need to fund KPL-404 development and potentially expand ARCALYST's indications. The lack of significant capital returns implies that management sees higher-value opportunities internally, which could drive long-term shareholder value if successful.
Cumulative Cash Generation Outpaces Earnings
Over the last ten quarters, cumulative operating cash flow of $261.5M exceeded cumulative net income of $64.1M, based on reported figures, underscoring the conservative nature of GAAP earnings.
The cumulative gap between operating cash flow and net income is substantial, with OCF totaling over four times net income. This divergence is largely attributable to non-cash charges like stock-based compensation and depreciation, as well as favorable working capital movements. The data suggests that the company's cash-generating ability is stronger than its reported profitability, which may not be fully reflected in valuation multiples.
Cash Flow Strength Partially Offset by SBC
Stock-based compensation totaled $11.6M in 2026Q2, as disclosed in the cash flow statement, representing 46% of net income, which may dilute shareholders despite strong cash generation.
While operating cash flow is robust, the significant use of stock-based compensation (averaging over $8M per quarter) suggests that a portion of the cash flow is being used to reward employees rather than being available to shareholders. This non-cash expense reduces reported earnings but does not impact cash flow, yet it does dilute existing shareholders over time. Investors should consider the dilutive impact of SBC when evaluating the sustainability of per-share metrics.