Free cash flow turned positive at $2.4M in 2026Q3 from a -$3.5M burn in 2026Q2, yet FCF margins swing between -6.2% and 8.5% and the company paid no dividends or buybacks, leaving cash generation volatile and undeployed.
Cerus Corporation (CERS) cash flow statement — 29-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 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 | Dec'07 | Dec'06 | Dec'05 | Dec'04 | Dec'03 | Dec'02 | Dec'01 | Dec'00 | Dec'99 | Dec'98 | Dec'97 |
|---|
| Cash from Operations | 3.5M | 11.36M | 11.36M | -43.17M | -25.61M | -33.92M | -41.81M | -65.5M | -31.25M | -52.23M | -53.53M | -51.13M | -39.81M | -26.8M | -13.92M | -15.63M | -14.11M | -14.66M | -34.55M | -37.4M | -14.69M | -14.95M | -12.73M | -58.62M | -55.65M | -44M | -32.03M | -33.3M | -9.7M | -16.6M |
| Operating CF Margin % | - | 5.51% | 6.3% | -27.61% | -15.81% | -25.92% | -45.49% | -87.74% | -51.3% | -119.89% | -143.96% | -149.4% | -109.06% | -67.57% | -37.93% | -47.31% | -61.06% | -81.55% | -209.27% | -338.66% | -41.27% | -61.33% | -91.5% | -606.47% | -655.51% | -970.23% | -1730.52% | -1387.5% | -334.48% | -240.58% |
| Operating CF Growth % | -188.21% | 0% | 126.31% | -68.53% | 24.49% | 18.87% | 36.17% | -109.62% | 40.18% | 2.42% | -4.69% | -28.43% | -48.57% | -92.55% | 10.97% | -10.78% | 3.77% | 57.55% | 7.64% | -154.7% | 1.75% | -17.43% | 78.29% | -5.32% | -26.48% | -37.36% | 3.81% | -243.3% | 41.57% | - |
| Net Income | -7.31M | -15.63M | -20.96M | -37.49M | -42.83M | -54.38M | -59.86M | -71.24M | -57.56M | -60.59M | -62.91M | -55.87M | -38.76M | -43.34M | -15.92M | -16.98M | -16.91M | -24.14M | -29.18M | -45.3M | -4.78M | 13.06M | -31.15M | -58.27M | -57.19M | -49.37M | -36.03M | -22.6M | -29.6M | -14.7M |
| Depreciation & Amortization | 2.39M | 1.43M | 1.85M | 2.6M | 2.98M | 3.15M | 3.11M | 2.4M | 1.45M | 1.81M | 1.82M | 1.7M | 1.42M | 557K | 744K | 922K | 845K | 915K | 651K | 774K | 716K | 652K | 2.15M | 3.29M | 2.5M | 1.19M | 634K | 600K | 700K | 700K |
| Stock-Based Compensation | 27.05M | 22.87M | 22.87M | 20.27M | 24.46M | 23.57M | 18.03M | 13.31M | 10.39M | 9.36M | 8.06M | 6.73M | 5.15M | 3.27M | 2.54M | 1.85M | 1.83M | 2.05M | 2.15M | 2.6M | 0 | 0 | 193K | -401K | 673K | 0 | 7.09M | 0 | 0 | 0 |
| Deferred Taxes | 0 | 0 | 0 | 0 | 0 | 462K | 0 | 0 | 4K | 3.71M | 28K | -3.82M | 26K | 27K | 62K | -600K | -291K | 0 | 0 | -2.37M | 0 | 0 | -193K | 401K | -673K | 0 | -7.27M | 0 | 0 | 0 |
| Other Non-Cash Items | -3.3M | 9.52M | 2.37M | 3.49M | 5.82M | 2.67M | 1.11M | 2.33M | 1.25M | -2.92M | 417K | -2.62M | -7.57M | 15.13M | -2.04M | 5K | 152K | 840K | -34K | 12.05M | -7.46M | -21.88M | 322K | -10K | 33K | 756K | -1K | -500K | 100K | 200K |
| Working Capital Changes | -15.26M | -6.83M | 5.23M | -32.03M | -16.05M | -9.4M | -4.2M | -12.3M | 13.22M | -3.61M | -950K | 2.75M | -76K | -2.44M | 692K | -827K | 266K | 5.67M | -8.13M | -5.15M | -3.16M | -6.78M | 15.95M | -3.63M | -991K | 3.42M | 3.54M | -10.8M | 19.1M | -2.8M |
| Change in Receivables | -1.01M | -396K | 5.5M | -1.1M | -9.2M | -4.21M | -4.13M | -8.07M | 3.66M | -5.55M | -1.07M | -301K | 632K | -1.68M | 1.65M | -1.3M | -1.17M | 696K | 660K | -2.49M | 0 | 0 | 4K | -25K | 241K | 0 | -267.02M | 0 | 0 | 0 |
| Change in Inventory | -12.8M | -14.68M | 7.03M | -14.95M | -1.77M | -19.61M | -4.03M | -6.04M | 806K | -2.09M | -1.78M | 3.99M | 3.03M | -1.81M | -3.74M | -487K | 2.02M | 3.37M | -4.05M | -5.23M | 0 | 0 | 18.84M | -48.04M | -4.51M | -1.12M | -1.07B | 0 | 0 | 0 |
| Change in Payables | 482K | 5.72M | -1.48M | -7.33M | -4.91M | 12.2M | 1.98M | 4.94M | 5.68M | 2.49M | 3.26M | -3.87M | -973K | -1.51M | 2.51M | 1.45M | -1.19M | 102K | -2.15M | 3.44M | 0 | 0 | -2.96M | -5.38M | 3.24M | 0 | 1.26B | 0 | 0 | 0 |
| Cash from Investing | 17.94M | -8.13M | -8.13M | 8.62M | 8.46M | 12.69M | -49.56M | 28.18M | -43.85M | 421K | -19.92M | 1.41M | -3.35M | -29.06M | 205K | 563K | -87K | 9.44M | 23.89M | 9.3M | -7.94M | 15.36M | 28.52M | -45.25M | 12.04M | -41.78M | 15.87M | -23.9M | -4M | -10.4M |
| Capital Expenditures | -2.11M | -2.84M | -2.84M | -4.6M | -2M | -910K | -1.61M | -8.94M | -1.14M | -353K | -563K | -722K | -2.11M | -663K | -81K | -158K | -1.71M | -191K | -1.19M | -700K | -1.11M | -856K | -594K | -297K | -5.03M | -1.24M | -2.62M | -700K | -300K | -400K |
| CapEx % of Revenue | 0.93% | 1.38% | 1.57% | 2.94% | 1.23% | 0.7% | 1.76% | 11.97% | 1.88% | 0.81% | 1.51% | 2.11% | 5.77% | 1.67% | 0.22% | 0.48% | 7.4% | 1.06% | 7.23% | 6.34% | 3.11% | 3.51% | 4.27% | 3.07% | 59.27% | 27.25% | 141.6% | 29.17% | 10.34% | 5.8% |
| Acquisitions | 0 | 0 | 0 | 0 | -10.46M | 910K | 0 | 0 | 0 | -3.47M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 191K | 1.19M | 700K | 0 | 0 | 0 | 10K | 0 | 25K | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 1.97M | 0 | 0 | 0 | 10.46M | -910K | 0 | 0 | -42.7M | 3.47M | -19.36M | -104K | -175K | -15K | -1K | 55K | -11K | -191K | -1.19M | -700K | 0 | 51K | -1.24M | 63.64M | 64.2M | 27.32M | -1K | 100K | 0 | 0 |
| Cash from Financing | -21.1M | 4.96M | 4.96M | 10.67M | 4.19M | 34.29M | 91.78M | 43.49M | 92.75M | 43M | 24.57M | 97.95M | 36.45M | 58.64M | 14.91M | 11.62M | 25.86M | 12.21M | 1.33M | 1.44M | 63.13M | -33.81M | 207K | 104.59M | 1.54M | 78.41M | 84.5M | 54.6M | 8.3M | 32.6M |
| Debt Issued (Net) | -21.16M | -329K | 4.3M | 9.92M | 212K | 21.18M | 3.5M | 13.35M | -133K | 10.38M | -622K | 9.89M | 6.37M | -4.47M | 353K | 2.2M | 6.34M | -5K | 65K | -84K | -4.54M | -34.5M | -19K | 49.97M | -31K | -33K | -31K | 0 | -100K | -100K |
| Equity Issued (Net) | 321K | 560K | 667K | -175K | 3.98M | 2.74M | 76.53M | 26.93M | 85.04M | 30.2M | 22.12M | 75.3M | 18.49M | 61.42M | 14.23M | 9.27M | 19.29M | 12.21M | 1.29M | 1.52M | 67.67M | 693K | 226K | 54.63M | 1.57M | 78.44M | 85.16M | 54.7M | 8.3M | 32.6M |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -639K | 0 | 0 | 0 |
| Share Repurchases | 0 | 0 | 0 | -175K | -104K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -500K | 0 | 0 | 0 |
| Other Financing | -265K | 4.73M | 0 | 925K | 0 | 10.37M | 11.75M | 3.21M | 7.85M | 2.43M | 3.07M | 12.77M | 11.59M | 1.68M | 332K | 143K | 230K | 0 | -25K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1K | -100K | 100K | 100K |
| Net Change in Cash | 666K | 8M | 8M | -24M | -13.69M | 12.14M | 1.48M | 5.83M | 17.66M | -8.81M | -48.89M | 48.24M | -6.7M | 2.79M | 1.2M | -3.45M | 11.66M | 6.98M | -9.32M | -26.66M | 40.51M | -33.39M | 16M | 730K | -42.07M | -7.37M | 68.33M | -2.7M | -5.4M | 5.6M |
| Free Cash Flow | 494K | 8.52M | 8.52M | -47.77M | -27.61M | -34.83M | -43.43M | -74.43M | -32.39M | -52.59M | -54.09M | -51.85M | -41.92M | -27.46M | -14M | -15.79M | -15.82M | -14.86M | -35.74M | -38.1M | -15.79M | -15.8M | -13.32M | -58.91M | -60.69M | -45.24M | -34.65M | -34M | -10M | -17M |
| FCF Margin % | 0.22% | 4.13% | 4.73% | -30.55% | -17.04% | -26.62% | -47.24% | -99.71% | -53.18% | -120.7% | -145.48% | -151.51% | -114.83% | -69.24% | -38.15% | -47.78% | -68.46% | -82.61% | -216.51% | -345% | -44.39% | -64.84% | -95.77% | -609.54% | -714.78% | -997.49% | -1872.12% | -1416.67% | -344.83% | -246.38% |
| FCF Growth % | 194.05% | 0% | 117.84% | -72.97% | 20.72% | 19.79% | 41.66% | -129.81% | 38.41% | 2.78% | -4.32% | -23.7% | -52.65% | -96.17% | 11.35% | 0.19% | -6.5% | 58.43% | 6.2% | -141.26% | 0.06% | -18.62% | 77.39% | 2.92% | -34.15% | -30.54% | -1.92% | -240% | 41.18% | - |
| FCF per Share | 0.00 | 0.04 | 0.05 | -0.26 | -0.16 | -0.20 | -0.26 | -0.53 | -0.25 | -0.49 | -0.53 | -0.54 | -0.55 | -0.41 | -0.25 | -0.33 | -0.39 | -0.43 | -1.10 | -1.20 | -0.55 | -0.66 | -0.60 | -3.04 | -3.83 | -2.99 | -2.65 | -3.06 | -1.07 | -2.04 |
| FCF Conversion (FCF/Net Income) | -0.07x | -0.73x | -0.54x | 1.15x | 0.60x | 0.62x | 0.70x | 0.92x | 0.54x | 0.86x | 0.85x | 0.92x | 1.03x | 0.62x | 0.87x | 0.92x | 0.83x | 0.61x | 1.18x | 0.83x | 3.07x | -1.14x | 0.41x | 1.01x | 0.97x | 0.89x | 0.89x | 1.47x | 0.33x | 1.13x |
| Interest Paid | 0 | 0 | 0 | 9.21M | 5.1M | 4.18M | 3.27M | 3.08M | 2.73M | 2.03M | 1.37M | 1.09M | 563K | 294K | 460K | 1.02M | 600K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 356K | 322K | 270K | 278K | 265K | 229K | 254K | 160K | 157K | 153K | 177K | 146K | 162K | 125K | 114K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Quick answers to the most common questions about buying CERS stock.
Cerus Corporation (CERS) generated $11.4M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Cerus Corporation (CERS) generated $8.5M 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.
Cerus Corporation (CERS) spent $2.8M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.
Key Metrics
Top Statement Risk
Volatile operating cash generation
Metrics are mathematically derived from official filings.
Operating Cash Diverges From Reported Losses
According to recent quarterly cash flow figures, Cerus generated $3.0M of operating cash in 2026Q3 against a net loss of $550K, a reversal that warrants scrutiny of the working capital and non-cash items driving the gap.
The gap between net income and operating cash flow is the most informative signal here, as the company reported positive operating cash flow in several quarters while posting net losses. Quarters such as 2025Q4 and 2024Q3 show operating cash well above net income, but these conversions coincide with working capital swings of -$3.9M and -$7.3M in adjacent periods. This pattern suggests reported operating cash may be driven more by timing of collections and payables than by durable earnings power, and investors should monitor whether conversion stabilizes.
Free Cash Flow Oscillates Around Breakeven
Based on reported figures, free cash flow swung from a $3.5M burn in 2026Q2 to a $2.4M gain in 2026Q3, with FCF margins ranging between -6.2% and 8.5% across the ten quarters shown.
The sign changes in free cash flow indicate the business has not yet established a consistent self-funding profile, and the magnitude of quarterly swings is large relative to the company's revenue base. Stock-based compensation of $4.9M to $10.6M per quarter is a material non-cash add-back, and a meaningful share of reported operating cash strength appears to depend on it. Investors should treat the positive quarters as provisional until they recur without relying on working capital releases.
Light Capital Intensity Limits Investment Burden
As reported in financial statements, Cerus's capital expenditures ran between 0.1% and 3.5% of revenue across recent quarters, indicating a capital-light cost base relative to its operating scale.
Low capex intensity means that free cash flow weakness is driven primarily by operating expenses and working capital rather than heavy reinvestment requirements. Depreciation and amortization of roughly $0.3M to $0.8M per quarter sits above many quarterly capex figures, which suggests the company is not currently replacing its asset base at a rate matching book depreciation. This may flatter near-term free cash flow, and the sustainability of that position warrants further investigation.
No Capital Returned Amid Cash Volatility
According to the supplied data, Cerus reported zero dividends, zero share buybacks, and no net acquisition spending across all ten quarters, leaving any positive free cash flow with no disclosed deployment path.
The absence of shareholder distributions is consistent with a company still prioritizing liquidity over returns, which is appropriate given intermittent negative free cash flow. Because cash is not being returned or deployed into acquisitions, the positive quarters would be expected to accumulate on the balance sheet, though the supplied data does not establish the cash balance itself. Investors should monitor whether incremental cash is directed toward debt reduction or toward sustaining operations.
Cumulative Cash Lags Cumulative Losses
Based on the ten reported quarters, cumulative net loss totals roughly -$29.6M while cumulative operating cash flow is approximately $0.7M, a divergence driven heavily by non-cash stock compensation.
Summing the quarterly figures shows reported losses substantially exceed operating cash generation over the window, but the gap narrows materially once stock-based compensation is considered. This suggests a meaningful portion of the economic cost of operations is being settled in equity rather than cash, which shifts the burden onto shareholders through dilution. The divergence is therefore less a sign of hidden cash leakage than a reflection of compensation structure, and investors should weigh the dilution cost explicitly.
Cash Strength May Rest on Non-Cash Add-Backs
Based on reported quarterly figures, stock-based compensation of $4.9M to $10.6M per quarter and working capital swings of up to $7.3M may account for much of the apparent cash generation, which the cash flow statement alone does not isolate.
The headline operating cash flow figures are flattered by large non-cash add-backs, and the cash flow statement does not reveal whether equity-settled costs will eventually require cash replacement through future financing. Quarters with strong operating cash often coincide with favorable working capital releases that may reverse, which the supplied data cannot confirm as sustainable. This analysis is inferential rather than conclusive, and investors should examine receivables and payables trends directly before treating recent cash generation as durable.