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Friday 6 November 2026
Export CLIR’s income statement to Excel — free account
ClearSign Technologies Corporation
CLIR Industrials Pollution & Treatment Controls
ClearSign Technologies Corporation’s revenue for fiscal 2025 (year ended December 2025) was $5.2 million, up 45.6% from fiscal 2024.
- Revenue
- +321.1%
- EPS
- +26.7%
- Free cash flow
- −137.5%
Quarter to June 2026, against a year earlier
2.36
0.05
+2.16%
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| Older periods | Sep '25 | Dec '25 | Mar '26 | Jun '26 | |
|---|---|---|---|---|---|
P/E ratio |
+8 more quarters Free account |
0.00 | 0.00 | 0.00 | 0.00 |
P/S ratio |
19.96 | 5.90 | 4.88 | 3.99 | |
P/FCF ratio |
0.00 | 0.00 | 0.00 | 0.00 | |
P/Operating CF |
(23.47) | (24.06) | (18.20) | (17.61) | |
P/B ratio |
4.73 | 3.24 | 3.22 | 2.21 | |
Price to Tangible BV |
5.18 | 3.52 | 3.58 | 2.39 | |
EV/Sales |
15.21 | 4.19 | 3.39 | 2.23 | |
EV/EBITDA |
0.00 | 0.00 | 0.00 | 0.00 | |
EV/Operating CF |
(8.46) | (4.63) | (3.43) | (2.13) | |
EV/FCF |
(8.20) | (4.53) | (3.34) | (2.08) | |
Quick Ratio |
3.02 | 4.08 | 3.64 | 4.33 | |
Current Ratio |
3.28 | 4.34 | 4.05 | 4.78 | |
Net Debt/EBITDA |
6.24 | 12.12 | 3.53 | 6.96 | |
Debt/Assets |
0.00% | 0.00% | 0.00% | 0.00% | |
Debt/Equity |
0.00 | 0.00 | 0.00 | 0.00 | |
Asset Turnover |
0.14 | 0.37 | 0.41 | 0.41 | |
Operating CF/Net income |
1.28 | 4.13 | 0.62 | 0.95 | |
Capex/Depreciation |
(0.36) | (0.33) | (0.73) | (0.32) | |
Research and Development Expense of Revenue |
30.13% | 11.39% | 130.37% | 80.00% | |
Selling, General and Administrative Expense of Revenue |
175.70% | 33.04% | 857.07% | 228.21% | |
Intangible Assets out of Total Assets |
0.06 | 0.06 | 0.08 | 0.06 | |
Share Based Compensation of Revenue |
74.54% | 0.82% | 39.79% | 14.29% | |
Graham Net Nets |
0.19 | 0.28 | 0.27 | 0.41 | |
Graham Number |
0.00 | 0.00 | 0.00 | 0.00 | |
Earnings Yield |
(15.43%) | (17.84%) | (22.98%) | (25.12%) | |
Free Cash Flow Yield |
(9.30%) | (15.70%) | (20.82%) | (26.84%) | |
Revenue per Share |
0.18 | 0.66 | 0.03 | 0.09 | |
Operating CF per Share |
(0.33) | (0.23) | (0.24) | (0.21) | |
Capex per Share |
0.00 | 0.00 | (0.01) | 0.00 | |
Free Cash Flow per Share |
(0.33) | (0.24) | (0.25) | (0.21) | |
Cash per Share |
1.88 | 1.65 | 1.37 | 1.67 | |
Shareholders Equity per Share |
1.63 | 1.72 | 1.35 | 1.66 | |
Interest Debt per Share |
0.00 | 0.00 | 0.00 | 0.00 | |
Book value per Share |
1.63 | 1.72 | 1.35 | 1.66 | |
Free Cash Flow |
(1.86) | (1.31) | (1.41) | (1.26) | |
Working Capital |
8.17 | 8.64 | 6.61 | 8.85 | |
Capital Expenditures |
(0.02) | (0.02) | (0.06) | (0.02) | |
Net Current Asset Value |
8.08 | 8.58 | 6.57 | 8.83 | |
EV/EBIT |
0.00 | 0.00 | 0.00 | 0.00 | |
Capex to Sales |
0.02 | 0.01 | 0.34 | 0.04 | |
Price to Operating Income |
0.00 | 0.00 | 0.00 | 0.00 | |
| Other line items | |||||
Average Receivables |
0.54 | 0.76 | 0.15 | 0.13 | |
Average Payables |
1.73 | 1.43 | 1.46 | 1.50 | |
Average Assets |
14.92 | 14.23 | 12.19 | 13.21 | |
Average Common Equity |
11.95 | 11.65 | 9.83 | 10.12 |
Columns are period end dates · fundamentals updated 25 Oct 2026