Free cash flow burn worsened to -$19.9M in 2026Q2 (FCF margin -12.2%), with operating cash flow at 0.92x net income, while minimal capex (<4% of revenue) underscores a capital-light R&D model.
Aclaris Therapeutics, Inc. (ACRS) cash flow statement — 13-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 |
|---|
| Cash from Operations | -75.21M | -47.11M | -20.07M | -78.33M | -67.57M | -52.13M | -38.63M | -96.44M | -100.81M | -54.66M | -34.6M | -20.37M | -7.64M | -4.92M |
| Operating CF Margin % | - | -602.01% | -107.24% | -250.65% | -227.1% | -771.1% | -596% | -2281.64% | -999.02% | -3247.95% | - | - | - | - |
| Operating CF Growth % | -304.79% | -134.68% | 74.37% | -15.92% | -29.6% | -34.95% | 59.94% | 4.33% | -84.42% | -57.97% | -69.88% | -166.75% | -55.2% | - |
| Net Income | -79.63M | -64.92M | -132.06M | -88.48M | -86.91M | -90.86M | -51.02M | -113.54M | -132.74M | -68.52M | -48.08M | -20.56M | -8.52M | -5.24M |
| Depreciation & Amortization | 411K | 454K | 807K | 863K | 797K | 923K | 1.32M | 1.59M | 1.32M | 402K | 120K | 90K | 12K | 11K |
| Stock-Based Compensation | 11.81M | 12.38M | 10.86M | 20.54M | 15.04M | 14.06M | 11.21M | 0 | 20.05M | 14.43M | 6.1M | 891K | 27K | 0 |
| Deferred Taxes | 0 | 0 | 0 | -367K | 0 | 752K | -182K | 0 | 0 | -1.84M | 216K | 289K | 0 | 0 |
| Other Non-Cash Items | -11.04M | 2.3M | 89.41M | -20.27M | 4.7M | 24.34M | 2.39M | 18.21M | 1.11M | 10.67M | 2.78M | -5K | 1K | 3K |
| Working Capital Changes | 3.24M | 2.67M | 10.92M | 9.39M | -1.2M | -1.34M | -2.36M | -2.7M | 9.44M | 865K | 4.25M | -1.07M | 841K | 302K |
| Change in Receivables | 0 | 6.14M | -20K | 186K | 139K | 149K | 4.9M | -809K | -4.38M | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 605K | 102K | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | -154K | 8.45M | -4.19M | -1.47M | 368K | 3.65M | -5.22M | -3.16M | 6.96M | 4.56M | 1.81M | -359K | 819K | 303K |
| Cash from Investing | -43.52M | 48.37M | -69.77M | 46.22M | 12.63M | -167.63M | 6.39M | 105.68M | 9.37M | -55.69M | -61.9M | -76.95M | -1.78M | -4.54M |
| Capital Expenditures | -24K | -111K | -121K | -1.31M | -605K | -308K | -453K | -1.61M | -1.36M | -1.24M | -232K | -507K | -417K | 0 |
| CapEx % of Revenue | 0.37% | 1.42% | 0.65% | 4.19% | 2.03% | 4.56% | 6.99% | 38.16% | 13.44% | 73.38% | - | - | - | - |
| Acquisitions | 0 | 0 | 0 | 0 | -13.23M | 167.32M | 0 | 0 | -67.12M | -9.65M | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -53.89M | -833K | -35.81M | 0 | 13.23M | -167.32M | 0 | 34.19M | 77.84M | -44.81M | -61.67M | -76.44M | -1.36M | -4.54M |
| Cash from Financing | 113.86M | -5.86M | 74.54M | 26.71M | 72.87M | 225.05M | 18.37M | -30.32M | 128.26M | 100.39M | 116.83M | 96.41M | 10.58M | 0 |
| Debt Issued (Net) | 0 | 0 | 0 | 0 | 0 | -11.48M | 10.78M | -30.52M | 29.26M | -78K | 0 | 0 | 0 | 0 |
| Equity Issued (Net) | 57.72M | -446K | 74.91M | 26.71M | 72.74M | 238.2M | 7.74M | 207K | 100.2M | 100.23M | 116.7M | 96.41M | 10.58M | 0 |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | -162K | -446K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | 56.15M | -5.42M | -377K | -8K | 123K | -1.67M | -141K | 0 | -1.21M | 235K | 121K | 0 | 0 | 0 |
| Net Change in Cash | -4.86M | -4.61M | -15.31M | -5.4M | 17.93M | 5.29M | -13.87M | -21.08M | 36.82M | -9.97M | 20.32M | -906K | 1.17M | -9.46M |
| Free Cash Flow | -75.23M | -47.11M | -20.2M | -79.63M | -68.17M | -52.44M | -39.09M | -98.06M | -102.17M | -55.9M | -34.84M | -20.88M | -8.05M | -4.92M |
| FCF Margin % | -1175.3% | -602.01% | -107.88% | -254.84% | -229.13% | -775.65% | -602.99% | -2319.8% | -1012.46% | -3321.33% | - | - | - | - |
| FCF Growth % | 5.55% | -133.28% | 74.64% | -16.81% | -30% | -34.17% | 60.14% | 4.02% | -82.77% | -60.47% | -66.87% | -159.23% | -63.68% | - |
| FCF per Share | -0.50 | -0.38 | -0.26 | -1.14 | -1.05 | -0.92 | -0.92 | -2.37 | -3.10 | -1.99 | -1.63 | -1.12 | -0.76 | -2.94 |
| FCF Conversion (FCF/Net Income) | 0.94x | 0.73x | 0.15x | 0.89x | 0.78x | 0.57x | 0.76x | 0.60x | 0.76x | 0.80x | 0.72x | 0.99x | 0.90x | 0.94x |
| Interest Paid | 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 |
Quick answers to the most common questions about buying ACRS stock.
Aclaris Therapeutics, Inc. (ACRS) generated $-47.1M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Aclaris Therapeutics, Inc. (ACRS) reported negative free cash flow of $47.1M in 2025, indicating capital requirements exceeded cash from operations.
Aclaris Therapeutics, Inc. (ACRS) spent $0.1M 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, Aclaris Therapeutics, Inc. (ACRS) spent $0.4M on share repurchases. This shows the company's commitment to returning capital to its equity investors.
Key Metrics
Top Statement Risk
Liquidity risk from cash burn
Metrics are mathematically derived from official filings.
Cash Conversion Masked by Non-Cash Charges
Operating cash flow averaged 0.92x net income in 2026 quarters, but 2024Q4's -$96.6M net loss included a large impairment, distorting the conversion ratio, as per financial statements.
In the most recent quarters, OCF/NI ratios hovered near 0.9, suggesting that reported losses are largely cash-based, with minimal non-cash adjustments beyond stock-based compensation. The 2024Q4 anomaly, where OCF/NI dropped to 0.09, reflects a one-time impairment that did not consume cash, indicating that the underlying cash burn is more consistent than net income volatility suggests.
Free Cash Flow Burn Accelerates
FCF deteriorated from -$20.9M in 2024Q1 to -$19.9M in 2026Q2, with FCF margins worsening from -8.7% to -12.2%, as reported in cash flow statements.
The quarterly FCF deficit has remained persistently negative, with the latest quarter's -$19.9M FCF representing a 12.2% negative margin on revenue of $1.6M. This indicates that the company's cash consumption is not abating, and the slight improvement from 2024Q4's -$44.7M is misleading due to that quarter's one-time impairment and elevated capex. The trajectory suggests that without a significant revenue inflection or cost reduction, the cash runway will be exhausted within a few quarters.
Minimal Capital Expenditure Signals R&D Focus
CapEx averaged under $0.1M per quarter in 2025-2026, representing less than 4% of revenue, indicating a capital-light model focused on R&D rather than fixed assets, per cash flow data.
The negligible capital expenditure, with the highest quarter at $35.8M in 2024Q4 (likely a one-time asset acquisition), underscores that ACRS's cash burn is driven by operating expenses, particularly R&D, rather than capital investment. This suggests that the company's infrastructure is largely intangible, and any future growth would require increased spending on clinical trials rather than physical capacity.
Working Capital Swings Provide Temporary Relief
Working capital changes contributed positive cash flows of $3.2M in 2025Q4 and $25.6M in 2024Q3, but turned negative in 2026, as per cash flow statements.
The positive working capital adjustments in earlier quarters likely stemmed from favorable timing of payables or collections, providing a temporary cushion to cash burn. However, the recent negative changes, such as -$1.4M in 2026Q2, indicate that this source of liquidity is reversing, potentially reflecting tighter vendor terms or reduced accruals. This suggests that the company cannot rely on working capital management to offset its operational losses.
No Capital Returns, All Cash to Operations
ACRS paid no dividends and repurchased only negligible amounts (max $275K in 2025Q1), with no acquisition activity, indicating all cash is directed to funding operations, per cash flow data.
The absence of shareholder returns and M&A underscores that the company is in survival mode, conserving every dollar for R&D and general operations. The minimal buybacks, which were likely to offset dilution from employee stock plans, do not signal confidence in undervaluation. This capital deployment strategy is consistent with a company facing a liquidity crunch, where preserving cash is paramount.
Cumulative Losses Exceed Cash Burn
Over the last ten quarters, cumulative net losses of -$238.3M exceeded cumulative operating cash outflows of -$104.9M, indicating significant non-cash charges, as per financial statements.
The gap between net income and operating cash flow, totaling over $133M, is primarily attributable to the 2024Q4 impairment and stock-based compensation. This divergence suggests that while the company's cash burn is severe, the reported losses overstate the immediate cash drain, but the underlying trend is still unsustainable. Investors should monitor whether future impairments or non-cash items continue to mask the true cash consumption rate.
What the Cash Flow Statement Obscures
Stock-based compensation of $2.7M in 2026Q2 and a $35.8M capex spike in 2024Q4 may obscure the true cash burn, as per cash flow statements.
The cash flow statement does not separately disclose R&D tax credits or potential ATM equity facility usage, which could affect the reported cash position. The 2024Q4 capex spike, likely an asset acquisition, distorts the capital expenditure trend, and the absence of acquisition details limits visibility into potential future cash outflows. Investors should reconcile the reported cash of $19.96M against any off-balance-sheet commitments or undisclosed financing activities.