Pulling SEC filings + quote and writing the call…
| Fiscal year | FY2016 | FY2017 | FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $621K | $540K | $530K | $0.00 | $0.00 | $607K | $374K | $2.40M | $3.60M | $5.23M |
| Revenue growth | — | -13.0% | -1.9% | -100.0% | — | — | -38.4% | 542.5% | 49.6% | 45.6% |
| Gross profit | $136K | $160K | $103K | -$1.00K | -$279K | -$452K | $116K | $817K | $1.12M | $1.42M |
| Gross margin | 21.9% | 29.6% | 19.4% | — | — | -74.5% | 31.0% | 34.0% | 31.1% | 27.2% |
| Operating income | -$11.2M | -$9.71M | -$9.57M | -$8.58M | -$6.93M | -$8.14M | -$6.12M | -$5.98M | -$6.49M | -$6.67M |
| Operating margin | -1804.3% | -1798.5% | -1805.8% | — | — | -1341.8% | -1635.6% | -248.9% | -180.4% | -127.5% |
| Net income | -$11.2M | -$9.68M | -$9.50M | -$8.48M | -$6.88M | -$7.89M | -$5.76M | -$5.19M | -$5.30M | -$5.50M |
| Net margin | -1799.2% | -1792.6% | -1792.5% | — | — | -1300.0% | -1539.6% | -216.1% | -147.4% | -105.0% |
| EPS (diluted) | -$0.86 | $0.63 | $0.42 | $0.32 | -$0.25 | -$0.25 | -$0.16 | -$0.13 | -$1.08 | -$0.99 |
| Fiscal year | FY2016 | FY2017 | FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Operating cash flow | -$8.67M | -$8.26M | -$8.38M | -$6.90M | -$5.96M | -$6.71M | -$4.99M | -$3.23M | -$4.37M | -$4.74M |
| Capital expenditures | $137K | $94.0K | $94.0K | $20.0K | $17.0K | $73.0K | $10.0K | — | $39.0K | $4.00K |
| Free cash flow | -$8.81M | -$8.35M | -$8.48M | -$6.92M | -$5.98M | -$6.78M | -$5.00M | — | -$4.41M | -$4.74M |
| Fiscal year | FY2016 | FY2017 | FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Cash & equivalents | $1.26M | $1.25M | $8.95M | $8.55M | $8.82M | $7.61M | $6.45M | $5.68M | $14.0M | $9.18M |
| Total assets | $4.29M | $4.16M | $18.6M | $10.9M | $11.1M | $9.36M | $10.9M | $7.62M | $16.3M | $12.2M |
| Total liabilities | $2.04M | $1.73M | $1.73M | $1.72M | $1.58M | $1.08M | $1.37M | $2.43M | $2.52M | $2.65M |
| Long-term debt | — | — | — | — | $251K | — | — | — | — | — |
| Shareholders' equity | $2.24M | $2.43M | $16.9M | $9.23M | $9.54M | $8.28M | $9.55M | $5.19M | $13.8M | $9.53M |
| Retained earnings | -$40.3M | -$50.0M | -$59.5M | -$68.0M | -$74.9M | -$82.8M | -$88.5M | -$93.7M | -$99.0M | -$105M |
| Shares (wtd avg diluted) | 1.33M | 3.49M | 3.38M | 2.21M | 2.78M | 31.2M | 35.3M | 38.5M | 4.89M | 5.55M |
Every figure is extracted from ClearSign Technologies Corp’s annual reports as filed with the SEC (XBRL company facts) — no third-party estimates. Fiscal years are labeled by period end; filers occasionally re-tag concepts, so a sparse cell means the company didn’t report that concept for that year. Free cash flow = operating cash flow − capital expenditures.
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