Castle Biosciences, Inc. (CSTL) quarterly cash flow statement — complete operating, investing & financing history
| Metric | Q1'26 | Q4'25 | Q3'25 | Q2'25 | Q1'25 | Q4'24 | Q3'24 | Q2'24 | Q1'24 | Q4'23 | Q3'23 | Q2'23 | Q1'23 | Q4'22 | Q3'22 | Q2'22 | Q1'22 | Q4'21 | Q3'21 | Q2'21 |
|---|
| Cash from Operations | -22.13M | 26.93M | 22.63M | 20.82M | -6.04M | 24.36M | 23.34M | 24M | -6.83M | 18.59M | 5.01M | -3.79M | -25.44M | -6M | -5.22M | -9M | -21.43M | -2.78M | -6.13M | -6.44M |
| Operating CF Margin % | -26.45% | 30.95% | 27.25% | 24.16% | -6.86% | 28.23% | 27.21% | 27.58% | -9.37% | 28.11% | 8.15% | -7.55% | -60.52% | -15.65% | -14.11% | -25.84% | -79.81% | -11.11% | -26.13% | -28.29% |
| Operating CF Growth % | -266.62% | 10.53% | -3.03% | -13.24% | 11.69% | 31.09% | 365.64% | 733.86% | 73.13% | 409.78% | 195.94% | 57.94% | -18.71% | -115.75% | 14.82% | -39.81% | -490.2% | -546.74% | -107.55% | -147.69% |
| Net Income | -14.52M | -2.33M | -501K | 4.52M | -25.85M | 9.59M | 2.27M | 8.92M | -2.53M | -2.58M | -6.91M | -18.78M | -29.2M | -20.62M | -20.25M | -1.65M | -24.62M | -6.43M | -11.79M | -8.79M |
| Depreciation & Amortization | 3.93M | 3.78M | 3.82M | 3.41M | 29.76M | 5.77M | 3.54M | 3.35M | 3.34M | 3.22M | 3.17M | 3.04M | 2.89M | 2.84M | 2.92M | 2.63M | 2.15M | 1.45M | 1.09M | 634K |
| Stock-Based Compensation | 0 | 11.41M | 12.1M | 11.21M | 11.18M | 11.44M | 13.03M | 13.18M | 12.68M | 11.8M | 13.04M | 12.85M | 13.53M | 9.92M | 9.2M | 8.78M | 8.42M | 6.85M | 5.21M | 4.77M |
| Deferred Taxes | -10K | -907K | 116K | -4.67M | -770K | -2.31M | 5.25M | -1.54M | 0 | -236K | 0 | 0 | 13K | -38K | 0 | -1.96M | 123K | 0 | 0 | 0 |
| Other Non-Cash Items | 7.83M | 1.02M | -4.4M | -2.17M | 20K | -2.11M | -1.52M | -1.82M | -1.52M | -1.29M | -1.5M | -1.05M | -1.02M | -1.51M | -188K | -20.37M | 2.57M | -8.64M | -168K | 36K |
| Working Capital Changes | -19.36M | 13.97M | 11.5M | 8.51M | -20.38M | 1.98M | 776K | 1.91M | -18.8M | 7.67M | -2.8M | 153K | -11.65M | 3.4M | 3.09M | 3.57M | -10.07M | 3.98M | -473K | -3.08M |
| Change in Receivables | 1.07M | 6.27M | 1.91M | 3.91M | -5.22M | -769K | -4.25M | -3.36M | -4.26M | -1.15M | -5.8M | -3.6M | -4.38M | -540K | -50K | -2.9M | -2.73M | 1.46M | -812K | -3.72M |
| Change in Inventory | -207K | -1.6M | -307K | -1.52M | 1.29M | -1.56M | 1.44M | -368K | 297K | -2.17M | 352K | -1.6M | -540K | -178K | -436K | -737K | -329K | 355K | -251K | 316K |
| Change in Payables | 3.19M | -17K | 1.41M | 1.07M | 615K | -570K | -2.15M | -1.23M | -422K | 3.01M | -378K | -825K | 3.9M | -1.57M | 1.85M | 115K | 187K | -855K | 1.36M | -643K |
| Cash from Investing | -25.8M | 8.83M | -18.39M | -28.38M | -22.43M | 5.77M | -14.79M | -21.42M | -19.7M | -7.67M | -9.71M | -15.39M | 16.58M | -4.48M | -134.15M | -27.51M | -402K | -30.89M | -923K | -34.09M |
| Capital Expenditures | -12.46M | -7.18M | -14.83M | -9.26M | -4.74M | -7.57M | -6.38M | -5.23M | -9.15M | -3.79M | -2.46M | -4.04M | -3.34M | -1.79M | -2.04M | -1.41M | -402K | -893K | -927K | -913K |
| CapEx % of Revenue | 14.88% | 8.26% | 17.86% | 10.75% | 5.39% | 8.77% | 7.44% | 6.01% | 12.54% | 5.74% | 3.99% | 8.05% | 7.94% | 4.66% | 5.51% | 4.03% | 1.5% | 3.57% | 3.95% | 4.01% |
| Acquisitions | 7K | -1K | 19K | -18.73M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -305K | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 0 | -2.11M | 0 | 12K | -5.56M | 7K | 4K | 2K | 5K | 3K | 2K | 3K | 5K | 186K | 1K | -26.11M | 0 | -30M | 4K | -33.18M |
| Cash from Financing | -5.03M | -4.59M | -919K | 101K | -1.55M | -5.38M | 838K | 42K | 10.64M | -3.3M | 45K | 226K | 728K | -750K | 388K | 661K | 1.22M | 126K | 1.89M | 1.89M |
| Debt Issued (Net) | -24K | -27K | -31K | -57K | -26K | -26K | -24K | -11K | 9.96M | -36K | -36K | -35K | -35K | -34K | -33K | -31K | -24K | -8K | 0 | 0 |
| Equity Issued (Net) | 322K | 2.09M | 77K | 19K | 18K | 373K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | -5.33M | -6.65M | -965K | 139K | -1.54M | -5.73M | 862K | 53K | 680K | -3.26M | 81K | 261K | 763K | -716K | 421K | 692K | 1.24M | 134K | 1.89M | 1.89M |
| Net Change in Cash | -52.97M | 31.17M | 3.32M | -7.46M | -30.02M | 24.75M | 9.39M | 2.62M | -15.89M | 7.62M | -4.65M | -18.95M | -8.13M | -11.23M | -138.99M | -35.85M | -20.62M | -33.54M | -5.16M | -38.64M |
| Free Cash Flow | -34.58M | 19.75M | 7.8M | 11.56M | -10.78M | 16.8M | 16.96M | 18.77M | -15.99M | 14.79M | 2.56M | -7.82M | -28.78M | -7.79M | -7.26M | -10.41M | -21.83M | -3.67M | -7.06M | -7.35M |
| FCF Margin % | -41.33% | 22.7% | 9.39% | 13.41% | -12.25% | 19.46% | 19.77% | 21.57% | -21.91% | 22.37% | 4.16% | -15.6% | -68.46% | -20.31% | -19.62% | -29.87% | -81.3% | -14.67% | -30.07% | -32.3% |
| FCF Growth % | -220.94% | 17.56% | -54.03% | -38.42% | 32.6% | 13.55% | 563.28% | 339.98% | 44.45% | 289.98% | 135.21% | 24.84% | -31.81% | -111.95% | -2.86% | -41.56% | -398.33% | -260.55% | -45.24% | -162.59% |
| FCF per Share | -1.16 | 0.67 | 0.27 | 0.39 | -0.38 | 0.56 | 0.58 | 0.65 | -0.58 | 0.55 | 0.10 | -0.29 | -1.08 | -0.29 | -0.28 | -0.40 | -0.86 | -0.15 | -0.28 | -0.29 |
| FCF Conversion (FCF/Net Income) | 1.52x | -11.55x | -45.17x | 4.60x | 0.23x | 2.54x | 10.29x | 2.69x | 2.70x | -7.20x | -0.73x | 0.20x | 0.87x | 0.29x | 0.26x | 5.46x | 0.87x | 0.43x | 0.52x | 0.73x |
| Interest Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |