CLIR
ClearSign Combustion Corporation
NASDAQ: CLIR · INDUSTRIALS · POLLUTION & TREATMENT CONTROLS
$5.00
-6.89% today
Updated 2026-04-30
Market cap
$27.04M
P/E ratio
—
P/S ratio
5.17x
EPS (TTM)
$-0.10
Dividend yield
—
52W range
$3 – $11
Volume
0.1M
ClearSign Combustion Corporation (CLIR) Financial statements
SEC filings — annual and quarterly data.
Profit margin
-105.00%
Operating margin
-22.50%
ROE
-47.20%
ROA
-29.30%
Debt/equity
—
Margin trends — annual
Gross margin Operating margin Profit margin
| Year | Revenue | Net income | Gross margin | Op. margin | Profit margin |
|---|---|---|---|---|---|
| 2009 | — | $-528772.00 | — | — | — |
| 2010 | — | $-395587.00 | — | — | — |
| 2011 | — | $-2.98M | — | — | — |
| 2012 | $0.00 | $-4.19M | — | — | — |
| 2013 | $93000.00 | $-5.29M | 5.38% | -5,694.62% | -5,682.80% |
| 2014 | $0.00 | $-7.30M | — | — | — |
| 2015 | $61000.00 | $-7.90M | 18.03% | -13,019.67% | -12,947.54% |
| 2016 | $621000.00 | $-11.17M | 21.90% | -1,804.35% | -1,799.19% |
| 2017 | $540000.00 | $-9.68M | 29.63% | -1,798.52% | -1,792.59% |
| 2018 | $530000.00 | $-9.57M | 19.43% | -1,815.47% | -1,805.09% |
| 2019 | $0.00 | $-8.38M | — | — | — |
| 2020 | $44000.00 | $-6.84M | -634.09% | -15,754.55% | -15,540.91% |
| 2021 | $607000.00 | $-7.89M | -74.46% | -1,341.85% | -1,299.84% |
| 2022 | $374000.00 | $-5.76M | -8.02% | -1,635.56% | -1,539.57% |
| 2023 | $2.40M | $-5.19M | 34.00% | -248.90% | -216.15% |
| 2024 | $3.60M | $-5.30M | 31.09% | -180.42% | -147.36% |
| 2025 | $5.23M | $-5.50M | 27.21% | -113.39% | -105.01% |