Revenue
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
ClearSign Technologies Corp (CLIR)
Price$3.91Cached quote
Net income
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Free cash flow
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Total cash / debt
CashTotal debt
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Financial statements
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $5.2M | $3.6M | $2.4M | $374,000 | $607,000 | $0 | $0 | $530,000 | $540,000 | $621,000 | $61,000 | $0 | — | — | — |
| Gross profit | $1.4M | $1.1M | $817,000 | $116,000 | −$452,000 | −$279,000 | −$1,000 | $103,000 | $160,000 | $136,000 | $11,000 | $0 | $5,000 | $0 | — |
| Gross margin | 27.21% | 31.09% | 34.00% | 31.02% | −74.46% | — | — | 19.43% | 29.63% | 21.90% | 18.03% | — | — | — | — |
| Research & development | $1.4M | $1.5M | $739,000 | $505,000 | $2.7M | $2.0M | $3.1M | $4.1M | $4.7M | $4.8M | $2.9M | $2.2M | $1.9M | $1.2M | $463,000 |
| Operating expenses | $8.1M | $7.6M | $6.8M | $6.2M | $7.7M | $6.7M | $8.6M | $9.7M | $9.9M | $11.3M | $8.0M | $7.3M | $5.3M | $4.2M | $3.0M |
| Operating income | −$6.7M | −$6.5M | −$6.0M | −$6.1M | −$8.1M | −$6.9M | −$8.6M | −$9.6M | −$9.7M | −$11.2M | −$7.9M | −$7.3M | −$5.3M | −$4.2M | −$3.0M |
| Operating margin | −127.46% | −180.42% | −248.90% | −1,635.56% | −1,341.85% | — | — | −1,805.85% | −1,798.52% | −1,804.35% | −13,019.67% | — | — | — | — |
| EBITDA | −$6.5M | −$6.3M | −$5.7M | −$6.0M | −$7.9M | −$6.7M | −$8.3M | −$9.3M | −$9.4M | −$11.0M | −$7.7M | −$7.1M | −$5.1M | −$4.1M | −$3.0M |
| EBITDA margin | −123.84% | −175.25% | −236.45% | −1,592.51% | −1,299.01% | — | — | −1,754.72% | −1,743.52% | −1,770.85% | −12,691.80% | — | — | — | — |
| Net income | −$5.5M | −$5.3M | −$5.2M | −$5.8M | −$7.9M | −$6.9M | −$8.5M | −$9.5M | −$9.7M | −$11.2M | −$7.9M | −$7.3M | −$5.3M | −$4.2M | −$3.0M |
| Net profit margin | −105.01% | −147.36% | −216.15% | −1,539.57% | −1,300.00% | — | — | −1,792.45% | −1,792.59% | −1,799.19% | −12,947.54% | — | — | — | — |
| Basic EPSper basic share | -$0.99 | -$1.08 | -$13.00 | -$16.00 | -$25.00 | -$25.00 | $32.00 | $42.00 | $63.00 | -$86.00 | -$63.00 | -$77.00 | -$60.00 | -$55.00 | -$67.00 |
| Diluted EPSper diluted share | -$0.99 | -$1.08 | -$13.00 | -$16.00 | -$25.00 | -$25.00 | $32.00 | $42.00 | $63.00 | -$86.00 | -$63.00 | -$77.00 | -$60.00 | -$55.00 | -$67.00 |
Owners
Reported shareholders
≈8.63%of listed shares
DIGIANDOMENICO ANTHONY544.48K shares · May 22, 2025
View holders
| Holder | % owned |
|---|---|
PASQUESI JOHN M | —8.43M shares |
DIGIANDOMENICO ANTHONY | ≈8.63%544.48K shares |
Hinds Brent | ≈2.71%170.82K shares |
VANGUARD CAPITAL MANAGEMENT LLC | 1.67%105.43K shares |
Cambridge Investment Research Advisors, Inc. | 1.40%88.6K shares |
SIMON QUICK ADVISORS, LLC | 0.96%60.31K shares |
GEODE CAPITAL MANAGEMENT, LLC | 0.82%51.46K shares |
Deller Colin James | —31.47K shares |
Beacon Pointe Advisors, LLC | 0.43%27.17K shares |
VANGUARD FIDUCIARY TRUST CO | 0.37%23.46K shares |
HighTower Advisors, LLC | 0.36%22.66K shares |
CITADEL ADVISORS LLC | 0.33%20.57K shares |
Basenese Lou | ≈0.32%20K shares |
BlackRock, Inc. | 0.31%19.5K shares |
DDD Partners, LLC | 0.19%12K shares |
NORTHERN TRUST CORP | 0.16%10.08K shares |
Rockefeller Capital Management L.P. | 0.13%8.12K shares |
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 0.11%7.17K shares |
Silva Gil Todd | ≈0.10%6K shares |
WELLS FARGO & COMPANY/MN | 0.03%2.13K shares |
Percentages use 6.31M shares of this listed class outstanding on Jun 30, 2026. ≈ compares the latest reported holding with a share total from a different date; it is not a confirmed current stake.
Gray completes the 100% scale. Reported positions may overlap; holders have different reporting dates.
Source: SEC Form 3 ↗Updated Sep 29, 2026 · Quarterly data
Insider buys & sells
| Transaction | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| Apr 23, 2026Form 4 | Silva Gil ToddDirector | BuyCommon Stock | 1.0K | $5.25 | $5.3K | 6.0K |
| Apr 23, 2026Form 4 | Silva Gil ToddDirector | BuyCommon Stock | 1.0K | $5.32 | $5.3K | 5.0K |
| Mar 17, 2026Form 4 | Silva Gil ToddDirector | BuyCommon Stock | 2.0K | $4.20 | $8.4K | 4.0K |
| Mar 16, 2026Form 4 | Silva Gil ToddDirector | BuyCommon Stock | 2.0K | $4.36 | $8.7K | 2.0K |