NASDAQ : CLIR
ClearSign Technologies Corporation — Financial statements
Industrials · Pollution & Treatment Controls · United States
Last price 2.31 USD (Oct 30, 2026, 4:00 PM EDT) · Market cap 15.73M
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Financial statements
ClearSign Technologies Corporation (CLIR) reported revenue of 5.45M USD (TTM). Five years of income statement, balance sheet, cash flow and ratios below.
Income statement
Fiscal year January - December; amounts in USD.
| TTM | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|---|
| Revenue | 5.45M | 5.23M | 3.60M | 2.40M | 374.00K | 607.00K |
| Cost of Revenue | 4.44M | 3.81M | 2.48M | 1.59M | 258.00K | 1.06M |
| Gross Profit | 1.01M | 1.42M | 1.12M | 817.00K | 116.00K | -452.00K |
| Selling, General & Admin | 5.94M | 6.67M | 6.13M | 6.06M | 5.73M | 5.01M |
| Research & Development | 1.43M | 1.42M | 1.47M | 739.00K | 505.00K | 2.68M |
| Operating Expenses | 7.36M | 8.10M | 7.61M | 6.80M | 6.23M | 7.69M |
| Operating Income | -6.35M | -6.67M | -6.49M | -5.98M | -6.12M | -8.14M |
| Interest & Investment Income | 314.00K | 439.00K | 516.00K | 324.00K | 83.00K | 1.00K |
| Other Non Operating Income (Expenses) | 802.00K | 736.00K | 673.00K | 463.00K | 238.00K | 1.00K |
| EBT Excluding Unusual Items | -5.24M | -5.50M | -5.30M | -5.19M | -5.80M | -8.14M |
| Gain (Loss) on Sale of Assets | 38.00K | |||||
| Other Unusual Items | 251.00K | |||||
| Pretax Income | -5.24M | -5.50M | -5.30M | -5.19M | -5.76M | -7.89M |
| Earnings From Continuing Operations | -5.24M | -5.50M | -5.30M | -5.19M | -5.76M | -7.89M |
| Minority Interest in Earnings | 1.00K | |||||
| Net Income | -5.24M | -5.50M | -5.30M | -5.19M | -5.76M | -7.89M |
| Net Income to Common | -5.24M | -5.50M | -5.30M | -5.19M | -5.76M | -7.89M |
| Shares Outstanding (Basic) | 5.69M | 5.55M | 4.89M | 3.85M | 3.53M | 3.12M |
| Shares Outstanding (Diluted) | 5.69M | 5.55M | 4.89M | 3.85M | 3.53M | 3.12M |
| EPS (Basic) | -0.92 | -0.99 | -1.08 | -1.35 | -1.63 | -2.53 |
| EPS (Diluted) | -0.92 | -0.99 | -1.08 | -1.35 | -1.63 | -2.53 |
| Free Cash Flow | -5.70M | -4.74M | -4.41M | -3.23M | -5.00M | -6.78M |
| Free Cash Flow Per Share | -1.00 | -0.85 | -0.90 | -0.84 | -1.42 | -2.17 |
| Gross Margin | 18.49% | 27.21% | 31.09% | 34.00% | 31.02% | -74.46% |
| Operating Margin | -116.55% | -127.46% | -180.42% | -248.90% | -1,635.56% | -1,341.85% |
| Profit Margin | -96.07% | -105.01% | -147.36% | -216.15% | -1,539.57% | -1,300.00% |
| Free Cash Flow Margin | -104.53% | -90.56% | -122.69% | -134.54% | -1,337.43% | -1,116.97% |
| EBITDA | -6.18M | -6.48M | -6.30M | -5.68M | -5.96M | -7.88M |
| EBITDA Margin | -113.39% | -123.84% | -175.25% | -236.45% | ||
| D&A For EBITDA | 172.00K | 189.00K | 186.00K | 299.00K | 161.00K | 260.00K |
| EBIT | -6.35M | -6.67M | -6.49M | -5.98M | -6.12M | -8.14M |
| EBIT Margin | -116.55% | -127.46% | -180.42% | -248.90% |
Balance sheet
Fiscal year January - December; amounts in USD.
| TTM | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|---|
| Cash & Equivalents | 9.89M | 9.18M | 14.04M | 5.68M | 6.45M | 7.61M |
| Short-Term Investments | 2.61M | |||||
| Cash & Short-Term Investments | 9.89M | 9.18M | 14.04M | 5.68M | 9.06M | 7.61M |
| Receivables | 234.00K | 1.36M | 165.00K | 475.00K | 99.00K | 72.00K |
| Prepaid Expenses | 591.00K | 359.00K | 454.00K | 350.00K | 577.00K | 345.00K |
| Other Current Assets | 471.00K | 329.00K | 562.00K | |||
| Total Current Assets | 11.19M | 11.23M | 15.22M | 6.51M | 9.73M | 8.02M |
| Property, Plant & Equipment | 141.00K | 195.00K | 238.00K | 275.00K | 384.00K | 530.00K |
| Other Intangible Assets | 737.00K | 760.00K | 830.00K | 836.00K | 798.00K | 799.00K |
| Other Long-Term Assets | 10.00K | 10.00K | ||||
| Total Assets | 12.19M | 12.18M | 16.28M | 7.62M | 10.93M | 9.36M |
| Accounts Payable | 323.00K | 852.00K | 749.00K | 256.00K | 291.00K | 224.00K |
| Accrued Expenses | 387.00K | 564.00K | 671.00K | 703.00K | 471.00K | 218.00K |
| Current Portion of Leases | 100.00K | 96.00K | 75.00K | 71.00K | 133.00K | 205.00K |
| Current Unearned Revenue | 415.00K | 100.00K | 441.00K | 1.12M | 247.00K | 84.00K |
| Other Current Liabilities | 1.11M | 972.00K | 471.00K | 110.00K | 5.00K | |
| Total Current Liabilities | 2.34M | 2.58M | 2.41M | 2.26M | 1.15M | 731.00K |
| Long-Term Leases | 17.00K | 67.00K | 113.00K | 172.00K | 226.00K | 350.00K |
| Total Liabilities | 2.36M | 2.65M | 2.52M | 2.43M | 1.37M | 1.08M |
| Common Stock | 1.00K | 1.00K | 1.00K | 4.00K | 4.00K | 3.00K |
| Additional Paid-In Capital | 117.86M | 114.06M | 112.80M | 98.92M | 98.08M | 91.03M |
| Retained Earnings | -108.01M | -104.51M | -99.02M | -93.72M | -88.52M | -82.77M |
| Comprehensive Income & Other | -17.00K | -20.00K | -21.00K | -17.00K | -8.00K | 9.00K |
| Total Common Equity | 9.83M | 9.53M | 13.76M | 5.19M | 9.55M | 8.28M |
| Shareholders' Equity | 9.83M | 9.53M | 13.76M | 5.19M | 9.55M | 8.28M |
| Total Liabilities & Equity | 12.19M | 12.18M | 16.28M | 7.62M | 10.93M | 9.36M |
| Total Debt | 117.00K | 163.00K | 188.00K | 243.00K | 359.00K | 555.00K |
| Net Cash (Debt) | 9.77M | 9.02M | 13.85M | 5.44M | 8.70M | 7.05M |
| Net Cash Per Share | 1.72 | 1.62 | 2.83 | 1.41 | 2.46 | 2.26 |
| Filing Date Shares Outstanding | 6.81M | 5.41M | 5.24M | 3.90M | 3.85M | 3.22M |
| Total Common Shares Outstanding | 6.31M | 5.33M | 5.03M | 3.87M | 3.80M | 3.16M |
| Working Capital | 8.85M | 8.64M | 12.81M | 4.25M | 8.59M | 7.29M |
| Book Value Per Share | 1.56 | 1.79 | 2.74 | 1.34 | 2.51 | 2.62 |
| Tangible Book Value | 9.10M | 8.77M | 12.93M | 4.36M | 8.75M | 7.48M |
| Tangible Book Value Per Share | 1.44 | 1.65 | 2.57 | 1.13 | 2.30 | 2.37 |
| Machinery | 103.00K | 103.00K | 99.00K | 60.00K | 567.00K | 940.00K |
| Leasehold Improvements | 43.00K | 43.00K | 43.00K | 43.00K | 192.00K | 192.00K |
Cash flow statement
Fiscal year January - December; amounts in USD.
| TTM | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|---|
| Net Income | -5.24M | -5.50M | -5.30M | -5.19M | -5.76M | -7.89M |
| Depreciation & Amortization | 261.00K | 277.00K | 272.00K | 424.00K | 292.00K | 448.00K |
| Loss (Gain) From Sale of Assets | -5.00K | -38.00K | ||||
| Asset Writedown & Restructuring Costs | 42.00K | 3.00K | 20.00K | 95.00K | 19.00K | 484.00K |
| Loss (Gain) From Sale of Investments | -79.00K | -45.00K | ||||
| Stock-Based Compensation | 1.02M | 958.00K | 557.00K | 624.00K | 399.00K | 713.00K |
| Other Operating Activities | -3.00K | -14.00K | -252.00K | |||
| Change in Accounts Receivable | -336.00K | -1.20M | 122.00K | -376.00K | -27.00K | 20.00K |
| Change in Accounts Payable | -173.00K | 378.00K | 816.00K | -57.00K | -125.00K | -393.00K |
| Change in Unearned Revenue | -2.52M | -341.00K | -1.41M | 869.00K | 163.00K | -10.00K |
| Change in Other Net Operating Assets | 1.25M | 680.00K | 550.00K | 480.00K | 128.00K | 174.00K |
| Operating Cash Flow | -5.70M | -4.74M | -4.37M | -3.23M | -4.99M | -6.71M |
| Capital Expenditures | -4.00K | -39.00K | -10.00K | -73.00K | ||
| Sale of Property, Plant & Equipment | 5.00K | 39.00K | ||||
| Sale (Purchase) of Intangibles | -133.00K | -97.00K | -179.00K | -200.00K | -154.00K | -140.00K |
| Investment in Securities | 2.69M | -2.56M | ||||
| Investing Cash Flow | -133.00K | -101.00K | -218.00K | 2.49M | -2.69M | -213.00K |
| Issuance of Common Stock | 3.41M | 24.00K | 12.99M | 6.54M | 5.69M | |
| Repurchase of Common Stock | -36.00K | -45.00K | -46.00K | -15.00K | ||
| Financing Cash Flow | 3.38M | -21.00K | 12.95M | -15.00K | 6.54M | 5.69M |
| Foreign Exchange Rate Adjustments | 4.00K | 1.00K | -4.00K | -9.00K | -17.00K | 9.00K |
| Net Cash Flow | -2.45M | -4.86M | 8.35M | -767.00K | -1.16M | -1.22M |
| Free Cash Flow | -5.70M | -4.74M | -4.41M | -3.23M | -5.00M | -6.78M |
| Free Cash Flow Margin | -104.53% | -90.56% | -122.69% | -134.54% | -1,337.43% | -1,116.97% |
| Free Cash Flow Per Share | -1.00 | -0.85 | -0.90 | -0.84 | -1.42 | -2.17 |
| Levered Free Cash Flow | -4.66M | -3.75M | -3.65M | -1.87M | -3.07M | -4.39M |
| Unlevered Free Cash Flow | -4.66M | -3.75M | -3.65M | -1.87M | -3.07M | -4.39M |
| Change in Working Capital | -1.78M | -478.00K | 80.00K | 916.00K | 139.00K | -209.00K |
Ratios
Fiscal year January - December; amounts in USD.
| TTM | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|---|
| Market Capitalization | 16.07M | 29.63M | 72.34M | 42.81M | 20.38M | 43.57M |
| Enterprise Value | 6.29M | 19.32M | 58.06M | 35.84M | 11.02M | 35.34M |
| Last Close Price | 2.31 | 5.56 | 14.40 | 11.10 | 5.36 | 13.80 |
| PS Ratio | 2.88 | 5.66 | 20.12 | 17.81 | 54.49 | 71.78 |
| PB Ratio | 1.48 | 3.11 | 5.26 | 8.24 | 2.13 | 5.26 |
| P/TBV Ratio | 1.73 | 3.38 | 5.59 | 9.83 | 2.33 | 5.82 |
| EV/Sales Ratio | 1.09 | 3.69 | 16.15 | 14.91 | 29.46 | 58.22 |
| Debt / Equity Ratio | 0.01 | 0.02 | 0.01 | 0.05 | 0.04 | 0.07 |
| Net Debt / Equity Ratio | -0.99 | -0.95 | -1.01 | -1.05 | -0.91 | -0.85 |
| Net Debt / EBITDA Ratio | 1.58 | 1.39 | 2.20 | 0.96 | 1.46 | 0.89 |
| Net Debt / FCF Ratio | 1.72 | 1.90 | 3.14 | 1.68 | 1.74 | 1.04 |
| Asset Turnover | 0.41 | 0.37 | 0.30 | 0.26 | 0.04 | 0.06 |
| Quick Ratio | 4.33 | 4.08 | 5.90 | 2.73 | 7.98 | 10.51 |
| Current Ratio | 4.78 | 4.34 | 6.32 | 2.88 | 8.49 | 10.98 |
| Return on Equity (ROE) | -51.73% | -47.19% | -55.91% | -70.46% | -64.57% | -88.56% |
| Return on Assets (ROA) | -30.06% | -29.29% | -33.93% | -40.31% | -37.69% | -49.70% |
| Return on Capital Employed (ROCE) | -64.50% | -69.50% | -46.80% | -111.50% | -62.60% | -94.40% |
| Earnings Yield | -39.03% | -18.55% | -7.32% | -12.13% | -28.26% | -18.11% |
| FCF Yield | -36.23% | -16.00% | -6.10% | -7.55% | -24.55% | -15.56% |
| Buyback Yield / Dilution | -3.48% | -13.44% | -27.10% | -8.95% | -13.15% | -12.19% |