ClearSign Technologies Corp
CLIR Nasdaq· Industrial Instruments For Measurement, Display, And Control
Last close · Oct 26, 2026
$2.30
KIRA · Stoqly’s AI analyst, in plain words
- ClearSign Technologies Corp had $5.2M of revenue in fiscal 2025, up 45.6% on the year before.
- Its operating margin was −127.5%, up 53.0 pts: of every 100 in sales, about −127 is left after running the business.
- ClearSign Technologies Corp lost $5.5M in fiscal 2025.
- Free cash flow was −$4.7M in fiscal 2025, −90.6% of revenue.
Market cap
$13.6M
P/E
—
Revenue
$5.2M
Net income
−$5.5M
Free cash flow
−$4.7M
Operating margin
−127.5%
ClearSign Technologies Corp in 30 seconds · fiscal 2025
Are sales growing?
+45.6%
Yes. Sales grew 45.6% last year.
Does it make a profit?
−105.0%
No. It lost money last year.
Does profit turn into cash?
−90.6%
No. It spent more cash than it brought in.
How healthy are the accounts?
2 / 8
Weak. It passes 2 of 8 health tests.
How is the share priced?
—
No P/E: it made no profit over the last four quarters.
What ClearSign Technologies Corp does
No business description yet.
- Fiscal year ends
- December 31, 2025
- Latest annual report
- 10-K · Mar 31, 2026
- Legal name
- ClearSign Technologies Corp
- CIK
- 0001434524
ClearSign Technologies Corp · CLIR
Results and finances
The last 5 fiscal years. Amounts in USD.
| Fiscal year | FY21 | FY22 | FY23 | FY24 | FY25 |
|---|---|---|---|---|---|
| Sales and profit | |||||
| Revenue | $0.6M | $0.4M | $2.4M | $3.6M | $5.2M |
| Revenue growth | — | −38.4% | 542.5% | 49.6% | 45.6% |
| Net interest income | $0.0M | $0.1M | $0.3M | — | — |
| Gross margin | −74.5% | 31.0% | 34.0% | 31.1% | 27.2% |
| Operating margin | −1,341.8% | −1,635.6% | −248.9% | −180.4% | −127.5% |
| Net income | −$7.9M | −$5.8M | −$5.2M | −$5.3M | −$5.5M |
| Net margin | −1,300.0% | −1,539.6% | −216.1% | −147.4% | −105.0% |
| Diluted EPS | −$0.25 | −$0.16 | −$0.13 | −$1.08 | −$0.99 |
| Cash | |||||
| Cash from operations | −$6.7M | −$5.0M | −$3.2M | −$4.4M | −$4.7M |
| Capital expenditure | $0.1M | $0.0M | — | $0.0M | $0.0M |
| Free cash flow | −$6.8M | −$5.0M | — | −$4.4M | −$4.7M |
| FCF margin | −1,117.0% | −1,337.4% | — | −122.7% | −90.6% |
| Share count change | 1,033.3% | 13.2% | 8.9% | −87.3% | 13.4% |
| Debt and strength | |||||
| Cash and short-term investments | $7.6M | $9.1M | $5.7M | $14.0M | $9.2M |
| Shareholders' equity | $8.3M | $9.6M | $5.2M | $13.8M | $9.5M |
| Current ratio | 11.0x | 8.5x | 2.9x | 6.3x | 4.3x |
| Returns and quality | |||||
| Return on equity | −88.6% | −64.6% | −70.5% | −55.9% | −47.2% |
| Return on tangible equity | −105.5% | −65.8% | −119.2% | −41.0% | −62.7% |
| Piotroski F-score | 3 | 3 | 3 | 4 | 2 |
| Altman Z'' | −21.5 | −17.7 | −39.5 | −11.6 | −23.2 |
Insiders bought, 12 months
$1.8M
2 insiders
Insiders sold, 12 months
$0.0M
0 insiders
Of sales under plans
—
$0.0M
How to read these numbers
- Revenue:
- Total sales reported in the income statement.
- Operating margin:
- Operating income as a share of revenue.
- Net income:
- Profit after all expenses, interest and tax.
- Free cash flow:
- Cash from operations minus capital spending.
- Net debt / EBITDA:
- Years of EBITDA needed to pay off net debt. Below zero means more cash than debt.
- Return on capital:
- After-tax operating income as a share of the money invested in the business: debt plus equity, minus cash.
ClearSign Technologies Corp · CLIR
Charts and comparison
Ten years at a glance, and how it stacks up against similar companies.
Revenue
Net income
Margins, % of revenue
Cash vs debt (incl. leases)
Free cash flow
Dividends and buybacks
KIRA
At $2.30 a share, the company is worth $13.6M.
Source: SEC EDGAR XBRL filings (CIK 0001434524). Data updated October 24, 2026. For information only — not investment advice. Check the original filings before relying on any figure.