ClearSign Technologies Corporation (ClearSign) is a United States-based company that develops emission-control technology.
| trading_symbol | registrant_name | time | price | change | percentage_change |
|---|---|---|---|---|---|
| CLIR | ClearSign Technologies Corp | 2026-04-02 15:10:04 | 4.83 | -0.08 | -1.63 |
| trading_symbol | central_index_key | registrant_name | isin_number | lei_number | ein_number | exchange | sic_code | sic_description | fiscal_year_end | state_of_incorporation | address_street | address_city | address_state | address_zip_code | address_country | address_country_code | phone_number | mailing_address | business_address | former_name | industry | founding_date | chief_executive_officer | number_of_employees | website | market_cap | shares_issued | shares_outstanding | description | update_time |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CLIR | 0001434524 | ClearSign Technologies Corp | US1850641028 | 529900KAAUSQWCW66J95 | — | Nasdaq | 3823 | Industrial Instruments For Measurement, Display, and Control | 1231 | DE | 8023 E. 63RD PLACE, SUITE 101 | TULSA | OK | 74133 | UNITED STATES | US | (918) 500-7312 | 8023 E. 63RD PLACE, SUITE 101, TULSA, OK, 74133 | 8023 E. 63RD PLACE, SUITE 101, TULSA, OK, 74133 | CLEARSIGN COMBUSTION CORP | — | — | Colin "Jim" Deller | 16 | http://clearsign.com | 27,596,237 | 5,328,730 | 5,408,723 | ClearSign Technologies Corporation (ClearSign) is a United States-based company that develops emission-control technology. | 2026-04-02 18:42:40 |
| Fiscal Year | Market Cap | Change In Market Cap | Percentage Change In Market Cap | Shares Outstanding | Change In Shares Outstanding | Percentage Change In Shares Outstanding |
|---|---|---|---|---|---|---|
| 2025 | 27,596,237 | -5,877,895 | -17.5595 | 5,408,723 | -47,013,809 | -89.6824 |
| 2024 | 33,474,132 | -6,886,851 | -17.0631 | 52,422,532 | 6,508,986 | 14.1766 |
| 2023 | 40,360,983 | 3,974,203 | 10.9221 | 45,913,546 | 7,371,740 | 19.1266 |
| Executive Name | Executive Position | Fiscal Year | Salary | Bonus | Stock Awards | Incentive Plan Compensation | Other Compensation | Total Compensation |
|---|---|---|---|---|---|---|---|---|
| Colin J. Deller | Chief Executive Officer | 2024 | 350,000 | 86,821 | 0 | — | 38,435 | 475,256 |
| Brent Hinds | Chief Financial Officer | 2024 | 200,000 | 44,124 | 26,915 | — | 33,758 | 304,797 |
| Brent Hinds | Chief Financial Officer | 2023 | 200,000 | 47,780 | 7,285 | — | 33,637 | 319,857 |
| Colin J. Deller | Chief Executive Officer | 2023 | 350,000 | 138,989 | 0 | — | 38,320 | 642,501 |
| Colin J. Deller | Chief Executive Officer | 2022 | 350,000 | 86,747 | 0 | — | 35,220 | 498,205 |
| Fiscal Year | Employee Count |
|---|---|
| 2025 | 15 |
| 2024 | 18 |
| 2023 | 15 |
| Fiscal Year | 2025 | 2024 | 2023 |
|---|---|---|---|
| Revenue | 5,234,000 | 3,596,000 | 2,403,000 |
| Cost Of Revenue | 3,810,000 | 2,478,000 | 1,586,000 |
| Gross Profit | 1,424,000 | 1,118,000 | 817,000 |
| Research And Development Expenses | 1,422,000 | 1,471,000 | 739,000 |
| General And Administrative Expenses | 6,673,000 | 6,135,000 | 6,059,000 |
| Operating Expenses | 8,095,000 | 7,606,000 | 6,798,000 |
| Operating Income | -6,671,000 | -6,488,000 | -5,981,000 |
| Net Income | -5,496,000 | -5,299,000 | -5,194,000 |
| Earnings Per Share Basic | -0.99 | -0.11 | -0.13 |
| Earnings Per Share Diluted | -0.99 | -0.11 | -0.13 |
| Weighted Average Shares Outstanding Basic | 5,551,194 | 48,935,988 | 38,500,933 |
| Weighted Average Shares Outstanding Diluted | 5,551,194 | 48,935,988 | 38,500,933 |
| Fiscal Year | 2025 | 2024 | 2023 |
|---|---|---|---|
| Cash And Cash Equivalents | 9,178,000 | 14,035,000 | 5,684,000 |
| Marketable Securities Current | — | — | 0 |
| Accounts Receivable | 1,360,000 | 165,000 | 287,000 |
| Inventories | — | — | — |
| Non Trade Receivables | — | — | — |
| Other Assets Current | — | — | — |
| Total Assets Current | 11,226,000 | 14,848,000 | 6,509,000 |
| Marketable Securities Non Current | — | — | — |
| Property Plant And Equipment | 195,000 | 238,000 | 275,000 |
| Other Assets Non Current | — | — | — |
| Total Assets Non Current | 955,000 | 1,068,000 | 1,111,000 |
| Total Assets | 12,181,000 | 15,916,000 | 7,620,000 |
| Accounts Payable | 1,644,000 | 1,220,000 | 366,000 |
| Deferred Revenue | 100,000 | 73,000 | 1,116,000 |
| Short Term Debt | — | — | — |
| Other Liabilities Current | 180,000 | 671,000 | 703,000 |
| Total Liabilities Current | 2,584,000 | 2,039,000 | 2,256,000 |
| Long Term Debt | — | — | — |
| Other Liabilities Non Current | — | — | — |
| Total Liabilities Non Current | 67,000 | 113,000 | 172,000 |
| Total Liabilities | 2,651,000 | 2,152,000 | 2,428,000 |
| Common Stock | 1,000 | 5,000 | 4,000 |
| Retained Earnings | -104,512,000 | -99,016,000 | -93,717,000 |
| Accumulated Other Comprehensive Income | — | — | — |
| Total Shareholders Equity | 9,530,000 | 13,764,000 | 5,192,000 |
| Fiscal Year | 2025 | 2024 | 2023 |
|---|---|---|---|
| Depreciation And Amortization | 25,000 | 21,000 | 152,000 |
| Share Based Compensation Expense | 893,000 | 528,000 | 614,000 |
| Other Non Cash Income Expense | — | — | 5,000 |
| Change In Accounts Receivable | 1,195,000 | -122,000 | 208,000 |
| Change In Inventories | — | — | — |
| Change In Non Trade Receivables | — | — | — |
| Change In Other Assets | — | — | — |
| Change In Accounts Payable | 378,000 | 816,000 | -57,000 |
| Change In Other Liabilities | — | — | — |
| Cash From Operating Activities | -4,736,000 | -4,373,000 | -3,233,000 |
| Purchases Of Marketable Securities | — | — | — |
| Sales Of Marketable Securities | — | — | — |
| Acquisition Of Property Plant And Equipment | 4,000 | 39,000 | — |
| Acquisition Of Business | — | — | — |
| Other Investing Activities | — | — | — |
| Cash From Investing Activities | -101,000 | -218,000 | 2,490,000 |
| Tax Withholding For Share Based Compensation | 45,000 | 46,000 | 15,000 |
| Payments Of Dividends | — | — | — |
| Issuance Of Common Stock | 0 | 12,967,000 | 0 |
| Repurchase Of Common Stock | — | — | — |
| Issuance Of Long Term Debt | — | — | — |
| Repayment Of Long Term Debt | — | — | — |
| Other Financing Activities | — | — | — |
| Cash From Financing Activities | -21,000 | 12,946,000 | -15,000 |
| Change In Cash | -4,857,000 | 8,351,000 | -767,000 |
| Cash At End Of Period | 9,178,000 | 14,035,000 | 5,684,000 |
| Income Taxes Paid | — | — | — |
| Interest Paid | — | — | 324,000 |
| Fiscal Year | 2025 | 2024 | 2023 |
|---|---|---|---|
| Earnings Per Share | -0.99 | -0.11 | -0.13 |
| Price To Earnings Ratio | -5.6172 | -130.9091 | -85.3846 |
| Earnings Growth Rate | 800 | -15.3846 | -18.75 |
| Price Earnings To Growth Ratio | -0.007 | 8.5091 | 4.5538 |
| Book Value Per Share | 1.7167 | 0.2813 | 0.1349 |
| Price To Book Ratio | 3.2393 | 51.1972 | 82.3113 |
| Ebitda | -5,471,000 | -5,278,000 | -4,718,000 |
| Enterprise Value | — | — | — |
| Dividend Yield | — | — | — |
| Dividend Payout Ratio | — | — | — |
| Debt To Equity Ratio | — | — | — |
| Capital Expenditures | -18,000 | -16,000 | 43,000 |
| Free Cash Flow | -4,718,000 | -4,357,000 | -3,276,000 |
| Return On Equity | -0.5767 | -0.385 | -1.0004 |
| One Year Beta | 1.5726 | 0.3049 | 0.8875 |
| Three Year Beta | 1.1262 | 0.8359 | 1.042 |
| Five Year Beta | 1.0992 | 1.0259 | 0.9959 |
| Insider Name | Relationship To Issuer | Transaction Date | Amount Of Securities | Acquired Or Disposed | Securities Owned Following Transaction |
|---|---|---|---|---|---|
| DIGIANDOMENICO ANTHONY | Director | 2026-03-31 | 3,024 | A | 3,024 |
| Silva Gil Todd | Director | 2026-03-31 | 3,440 | A | 123,909 |
| Silva Gil Todd | Director | 2026-03-31 | 3,024 | A | 3,024 |
| Basenese Lou | Director | 2026-03-31 | 3,024 | A | 3,024 |
| Silva Gil Todd | Director | 2026-03-17 | 2,000 | A | 4,000 |
| Investor Name | Period Of Report | Market Value | Amount Of Securities | Price Per Security |
|---|---|---|---|---|
| Rockefeller Capital Management L.P. | 2025-12-31 | 45,160 | 81,209 | 0.5561 |
| RAYMOND JAMES FINANCIAL INC | 2025-12-31 | 28,832 | 51,847 | 0.5561 |
| BANK OF AMERICA CORP /DE/ | 2025-12-31 | 504 | 907 | 0.5557 |
| TWO SIGMA SECURITIES, LLC | 2025-12-31 | 14,900 | 26,794 | 0.5561 |
| Creative Planning | 2025-12-31 | 75,659 | 136,053 | 0.5561 |
| Registrant Name | Period Of Report | Fund Name | Fund Symbol | Amount Of Units | Value In Usd | Percentage Value Compared To Assets |
|---|---|---|---|---|---|---|
| VANGUARD INSTITUTIONAL INDEX FUNDS | 2025-12-31 | Institutional Plus Shares | VITPX | 20,576 | 11,442.31 | 0.0 |
| VANGUARD INSTITUTIONAL INDEX FUNDS | 2025-12-31 | Institutional Shares | VITNX | 20,576 | 11,442.31 | 0.0 |
| VANGUARD INDEX FUNDS | 2025-12-31 | Institutional Select Shares | VSTSX | 590,264 | 328,245.81 | 0.0 |
| VANGUARD INDEX FUNDS | 2025-12-31 | Institutional Plus Shares | VSMPX | 590,264 | 328,245.81 | 0.0 |
| VANGUARD INDEX FUNDS | 2025-12-31 | ETF Shares | VTI | 590,264 | 328,245.81 | 0.0 |