Financial health
- The company is unprofitable; at its current free-cash-flow burn it has roughly 1.9 years of cash runway.
CLIR Financials ClearSign Technologies Corp
15 years of revenue, profit, cash flow and balance-sheet history through FY2025, from SEC filings — with a computed, factual read of the trend. Updated Overview →
RevenueNet income
GrossOperatingNet
Free cash flow
CashTotal debt
OperatingInvestingFinancing
Key annual figures
| FY | Revenue | Net income | Gross M | Op M | FCF | Total debt | Cash |
|---|---|---|---|---|---|---|---|
| 2025 | $5M | -$5M | 27.2% | -127.5% | -$5M | — | $9M |
| 2024 | $4M | -$5M | 31.1% | -180.4% | -$4M | — | $14M |
| 2023 | $2M | -$5M | 34.0% | -248.9% | — | — | $6M |
| 2022 | $374000 | -$6M | 31.0% | -1635.6% | -$5M | — | $6M |
| 2021 | $607000 | -$8M | -74.5% | -1341.8% | -$7M | — | $8M |
| 2020 | $0 | -$7M | — | — | -$6M | $251000 | $9M |
| 2019 | $0 | -$8M | — | — | -$7M | $0 | $9M |
| 2018 | $530000 | -$10M | 19.4% | -1805.8% | -$8M | — | $9M |
| 2017 | — | -$10M | — | — | -$8M | — | $1M |
| 2017 | — | $47M | — | — | — | — | $4M |
| 2017 | — | $45M | — | — | — | — | $5M |
| 2017 | — | $43M | — | — | — | — | $8M |
| 2016 | — | -$11M | — | — | -$9M | — | $1M |
| 2016 | — | $38M | — | — | — | — | $4M |
| 2016 | — | -$34M | — | — | — | — | $5M |
RevenueNet income
GrossOperatingNet
Free cash flow
CashTotal debt
OperatingInvestingFinancing
Key quarterly figures
| Quarter | Revenue | Net income | Gross M | Op M | FCF | Total debt | Cash |
|---|---|---|---|---|---|---|---|
| Mar '26 | $191000 | -$2M | -205.8% | -1193.2% | — | — | $8M |
| Dec '25 | $4M | -$311000 | 21.9% | -22.5% | -$1M | — | $9M |
| Sep '25 | $1M | -$1M | 35.8% | -170.1% | -$2M | — | $10M |
| Jun '25 | $133000 | -$2M | 41.4% | -1382.0% | -$511000 | — | $12M |
| Mar '25 | $401000 | -$2M | 48.9% | -562.8% | -$1M | — | $13M |
| Dec '24 | $590000 | -$1M | 14.9% | -282.4% | -$436000 | — | $14M |
| Sep '24 | $2M | -$1M | 29.6% | -77.1% | -$1M | — | $14M |
| Jun '24 | $45000 | -$2M | 93.3% | -4748.9% | — | — | $16M |
| Mar '24 | $1M | -$1M | 39.7% | -113.6% | — | — | $5M |
| Dec '23 | $1M | -$955000 | 43.8% | -90.3% | — | — | $6M |
| Sep '23 | $85000 | -$1M | 28.2% | -1761.2% | — | — | $7M |
| Jun '23 | $150000 | -$1M | 86.0% | -1086.0% | — | — | $8M |
| Mar '23 | $894000 | -$1M | 11.9% | -190.6% | — | — | $5M |
| Dec '22 | $50000 | -$1M | -14.0% | -3010.0% | -$733000 | — | $6M |
| Sep '22 | $324000 | -$1M | 38.0% | -442.9% | -$917000 | — | $6M |
| Jun '22 | $0 | -$2M | — | — | -$2M | — | $9M |
| Mar '22 | $0 | -$1M | — | — | -$2M | — | $7M |
| Dec '21 | $54000 | -$1M | 5.6% | -2268.5% | -$1M | — | $8M |
| Sep '21 | $190000 | -$2M | -46.3% | -1240.5% | -$2M | $0 | $9M |
| Jun '21 | $0 | -$2M | — | — | -$2M | $0 | $11M |
Valuation over time
How the market has priced CLIR against its own fundamentals since 2023-03 — each month-end's share price set against the most recent annual filing, so the multiple moves as price runs ahead of (or behind) earnings. Split-adjusted.
- The price-to-sales ratio has fallen from 10.7× (Mar '23) to 3.6× (Jun '26).
P/S
Frequently asked questions
Is CLIR growing its revenue and profit?
See the revenue and net-income charts above for ClearSign Technologies Corp's multi-year trend.
How much debt does CLIR have?
As of FY2025, ClearSign Technologies Corp reported — of total debt against $9M of cash.
What is CLIR's profit margin?
In FY2025, gross margin was 27.2%, operating margin -127.5%, and net margin -105.0%.
Where does this data come from?
All figures are extracted from the company’s SEC EDGAR/XBRL filings — 10-K annual reports and 10-Q quarterly reports (use the Annual / Quarterly toggle). Quarterly figures are derived from the as-filed statements (year-to-date amounts are differenced into discrete quarters). Growth rates and ratios are computed by tradmap; nothing here is investment advice.
Source: SEC EDGAR / XBRL (10-K + 10-Q filings) · prices EOD (Databento), corporate-action-adjusted · growth rates, valuation multiples & ratios computed by tradmap. Valuation uses each month-end price against the latest annual filing. Informational only — not investment advice.