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CLIR · ClearSign Technologies Corp · Earnings Call Transcripts & Audio

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$3.85 -0.18 (-4.47%) At close · Sep 14
Rebalance outlook locked
Going-concern doubt — flagged Aug 14, 2026

Substantial doubt about the company's ability to continue as a going concern.

“There can be no assurance that we will be successful in achieving our long term plans, or that such plans, if consummated, will result in profitable operations or enable us to continue in the long term as a going concern.”
View the 10-Q filed Aug 14, 2026
Market Cap
$27.30M
Shares
6.81M

ClearSign Technologies Corp Earnings Call Transcripts

Quarterly earnings calls for ClearSign Technologies Corp (CLIR), with available speaker-labelled transcripts, captured audio replays, call highlights, 8-K earnings releases and periodic filings. Investor days and conferences appear here too.

Pull transcripts and briefs through the earnings call transcript API or MCP →

Revenue & result across quarters

Revenue Net income YoY up YoY down artefacts
· $ −$1.64M '22 Q2 22-09-06 ▲70.5% $324,000 −$1.31M '22 Q3 22-09-30 ▼7.4% $50,000 −$1.32M '22 Q4 22-12-31 · $894,000 −$1.43M '23 Q1 23-04-07 · $150,000 −$1.48M '23 Q2 23-09-01 ▼73.8% $85,000 −$1.33M '23 Q3 23-11-15 ▲2448% $1.27M −$955,000 '23 Q4 24-02-07 ▲23.3% $1.10M −$1.11M '24 Q1 24-04-25 ▼70% $45,000 −$1.87M '24 Q2 24-08-23 ▲2087.1% $1.86M −$1.16M '24 Q3 24-11-21 ▼63.6% $401,000 −$2.08M '25 Q1 25-04-04 ▲195.6% $133,000 −$1.68M '25 Q2 25-08-15 ▼44.6% $1.03M −$1.43M '25 Q3 25-11-21 ▲522.2% $3.67M −$311,000 '25 Q4 26-04-09 ▼52.4% $191,000 −$2.19M '26 Q1 26-05-20 LATEST ▲321.1% $560,000 −$1.31M '26 Q2 26-08-19
Earnings call
FY26 · Q2
2026-08-19
ClearSign Technologies Corp (CLIR) Q2 2026 Earnings Call Transcript
Positive tone M-series midstream burner orders and pipeline Process burners and flare systems Financial performance and liquidity
Revenue
$560,000
▲ 321.1% YoY
Diluted EPS
$-0.22
Gross margin
40.7%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY26 · Q1
2026-05-20
ClearSign Technologies Corp (CLIR) Q1 2026 Earnings Call Transcript
Positive tone Refinery order progression (California 32-burner) Market opportunity and emissions regulations Competitive landscape (SCR displacement)
Revenue
$191,000
▼ 52.4% YoY
Diluted EPS
$-0.39
Gross margin
-205.8%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY25 · Q4
2026-04-09
ClearSign Technologies Corp (CLIR) Q4 2025 Earnings Call Transcript
Positive tone Revenue growth and large process burner orders Addressable market in refining and petrochemical Cash position and working capital
Revenue
$3.67M
▲ 522.2% YoY
Diluted EPS
$-0.06
Gross margin
21.9%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-K
Earnings call
FY25 · Q3
2025-11-21
ClearSign Technologies Corp (CLIR) Q3 2025 Earnings Call Transcript
Confident tone Hydrogen burner capability Order growth across product lines Flare business and repeat customers
Revenue
$1.03M
▼ 44.6% YoY
Diluted EPS
$-0.26
Gross margin
35.8%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY25 · Q2
2025-08-15
ClearSign Technologies Corp (CLIR) Q2 2025 Earnings Call Transcript
Positive tone Zeeco partnership Advanced engineering / CFD modeling work Financial results and cash position
Revenue
$133,000
▲ 195.6% YoY
Diluted EPS
$-0.30
Gross margin
41.4%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY25 · Q1
2025-04-04
ClearSign Technologies Corp (CLIR) Q1 2025 Earnings Call Transcript
Positive tone Large Texas Gulf Coast process burner order ClearSign Eye Sensor commercialization Revenue decline and legal costs
Revenue
$401,000
▼ 63.6% YoY
Diluted EPS
$-0.38
Gross margin
48.9%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY24 · Q3
2024-11-21
ClearSign Technologies Corp (CLIR) Q3 2024 Earnings Call Transcript
Confident tone Zeeco partnership and co-marketing Process burner orders and pipeline growth BACT designation and NOx regulatory driver
Revenue
$1.86M
▲ 2087.1% YoY
Diluted EPS
$-0.20
Gross margin
29.6%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY24 · Q2
2024-08-23
ClearSign Technologies Corp (CLIR) Q2 2024 Earnings Call Transcript
Positive tone Boiler burner technology and California GET program Process burner commercial progress Industry conferences and customer engagement
Revenue
$45,000
▼ 70% YoY
Diluted EPS
$-0.40
Gross margin
93.3%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY24 · Q1
2024-04-25
ClearSign Technologies Corp (CLIR) Q1 2024 Earnings Call Transcript
Positive tone Process burner business / refining customers Hydrogen burner / DOE grant Financial results and liquidity
Revenue
$1.10M
▲ 23.3% YoY
Diluted EPS
$-0.30
Gross margin
39.7%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY23 · Q4
2024-02-07
ClearSign Technologies Corp (CLIR) Q4 2023 Earnings Call Transcript
Confident tone California BACT regulatory designation Process burner installations and startup Pipeline and end-user interest
Revenue
$1.27M
▲ 2448% YoY
Diluted EPS
$-0.20
Gross margin
43.8%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-K
Earnings call
FY23 · Q3
2023-11-15
ClearSign Technologies Corp (CLIR) Q3 2023 Earnings Call Transcript
Revenue
$85,000
▼ 73.8% YoY
Diluted EPS
$-0.30
Gross margin
28.2%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY23 · Q2
2023-09-01
ClearSign Technologies Corp (CLIR) Q2 2023 Earnings Call Transcript
Revenue
$150,000
Diluted EPS
$-0.40
Gross margin
86.0%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY23 · Q1
2023-04-07
ClearSign Technologies Corp (CLIR) Q1 2023 Earnings Call Transcript
Revenue
$894,000
Diluted EPS
$-0.40
Gross margin
11.9%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY22 · Q4
2022-12-31
ClearSign Technologies Corp (CLIR) Q4 2022 Earnings Call Transcript
Revenue
$50,000
▼ 7.4% YoY
Diluted EPS
$-0.30
Gross margin
-14.0%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-K
Earnings call
FY22 · Q3
2022-09-30
ClearSign Technologies Corp (CLIR) Q3 2022 Earnings Call Transcript
Revenue
$324,000
▲ 70.5% YoY
Diluted EPS
$-0.30
Gross margin
38.0%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY22 · Q2
2022-09-06
ClearSign Technologies Corp (CLIR) Q2 2022 Earnings Call Transcript
Revenue
$
Diluted EPS
$-0.50
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY22 · Q1
2022-04-08
ClearSign Technologies Corp (CLIR) Q1 2022 Earnings Call Transcript
Revenue
$
▼ 100% YoY
Diluted EPS
$-0.50
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY21 · Q3
2021-11-29
ClearSign Technologies Corp (CLIR) Q3 2021 Earnings Call
Revenue
$190,000
Diluted EPS
$-0.70
Gross margin
-46.3%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY21 · Q2
2021-09-10
ClearSign Technologies Corp (CLIR) Q2 2021 Earnings Call
Revenue
$
Diluted EPS
$-0.70
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY21 · Q1
2021-06-21
ClearSign Technologies Corp (CLIR) Q1 2021 Earnings Call
Revenue
$363,000
Diluted EPS
$-0.70
Gross margin
38.0%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY20 · Q4
2021-03-25
ClearSign Technologies Corp (CLIR) Q4 2020 Earnings Call Transcript
Revenue
$
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-K
Earnings call
FY20 · Q3
2020-09-30
ClearSign Technologies Corp (CLIR) Q3 2020 Earnings Call Transcript
Revenue
$
Diluted EPS
$-0.60
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY20 · Q2
2020-06-30
ClearSign Technologies Corp (CLIR) Q2 2020 Earnings Call Transcript
Revenue
$
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY20 · Q1
2020-03-31
ClearSign Technologies Corp (CLIR) Q1 2020 Earnings Call Transcript
Revenue
$
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY19 · Q4
2020-03-13
ClearSign Technologies Corp (CLIR) Q4 2019 Earnings Call
Revenue
$
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-K
Showing 1–25 of 25 earnings calls
Key facts CIK 1434524 CUSIP 185064201 13F (30d) 2 filings 2 filers Visit website Investor relations