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ClearSign Technologies Corporation (CLIR)

Nasdaq: CLIR · Industrial Instruments For Measurement, Display, and Control · Tulsa, OK · filing with the SEC since 2008
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Grade3.8
◀ Past 2.0● Present 3.5▶ Future 6.1
1 est.
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The grade of ClearSign Technologies Corporation

Nine metrics read from its own filings, by tense
Headline grade
3.8/10
◀ Past2.030% of the headline
● Present3.540% of the headline
▶ Future6.130% of the headline

All three tenses have at least two readings, so the archetype blend applies as printed.

Of the nine metrics, 8 read as filed from the record and 1 is an SI estimate, each with its reasoning, its confidence and what would change it on its card.

◀ Past

What did they actually do?

2.0/1030% of the headline grade · 2 of 3 filed, 1 estimated

Surviving crises

as filed
0.9/10

Has it survived what it has been through?

13 warning events since 2017; the latest 2025-09-30.

weight 33% of this tense · 9th percentile among 17 sector filers · read for itself

From the record

ClearSign Technologies Corporation's filings since 2017 show 13 warning events of 3 kinds: a notice about its exchange listing (8-K item 3.01, 11 times, the latest 2025-09-30); an auditor change (8-K item 4.01, the latest 2021-07-07); a late-report notice (Form NT 10-K or NT 10-Q, the latest 2021-08-16) (its current reports).

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Track record

as filed
3.4/10

What has it actually done, year after year?

+38.7% a year over 8 filed years; profitable in 0 of 8.

weight 45% of this tense · 34th percentile among 17 sector filers · read for its customers

From the record

ClearSign Technologies Corporation's 8 filed years say what it did: revenue went from $530 thousand in fiscal 2018 to $5 million in fiscal 2025, up 38.7% a year; it rose in 3 of 5 years; the deepest fall was 100% from fiscal 2018 to fiscal 2019; net income was positive in 0 of 8 of those years (its annual reports).

What it rests on

  • revenue growth over the filed span38.7%top 9% of its family
  • the share of years revenue rosebottom 32% of its family
  • the share of filed years with a profitbottom 9% of its family
  • the deepest fall from a revenue peak100.0%bottom 3% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Shareholder treatment

SI estimate
0.9/10

How has it treated the people who own it?

SI estimate 0.9/10, confidence 35 of 100 (one part).

weight 22% of this tense · 9th percentile among 17 sector filers · read for its shareholders

SI estimate Inferred, not read as filed

Why it is an estimate
Read from one part only, the share count over the years, which ranks in the bottom 9% of 17 in its family; fewer than two of the parts can be read: the share count over the years, and the cash returned against a positive operating cash flow or net income.
What the record cannot read
Fewer than two of the parts can be read: the share count over the years, and the cash returned against a positive operating cash flow or net income.
How it was reasoned
one part: the share count over the years, the one part on file, ranked among 17 in its family.
Confidence
35 of 100
What would change it
A filing that carries the missing parts replaces this estimate with the filed reading.

From the record

SI estimate, not a filed reading: ClearSign Technologies Corporation's shareholder treatment is put at 0.9 of 10 with a confidence of 35 of 100, because read from one part only, the share count over the years, which ranks in the bottom 9% of 17 in its family; fewer than two of the parts can be read: the share count over the years, and the cash returned against a positive operating cash flow or net income. A filing that carries the missing parts replaces this estimate with the filed reading.

● Present

What are they doing right now?

3.5/1040% of the headline grade · 3 of 3 filed

Financial health

as filed
3.7/10

Is it financially healthy right now?

ROE -58%: lost 58¢ per shareholder dollar. Leverage 22%: owes 22¢ per asset dollar.

weight 45% of this tense · 37th percentile among 17 sector filers · read for itself

From the record

Return on equity: in the fiscal year ended 2025-12-31, ClearSign Technologies Corporation lost about 58 cents for every dollar of shareholders' money, and gross profitability: its products earned about 12 cents per dollar of everything the company owns. Leverage: it owed about 22 cents per dollar of assets, and net share issuance: its share count grew 13.4% over the year (the filed statements).

What it rests on

  • what it owes per dollar of assetstop 15% of its family
  • return on equitybottom 26% of its family
  • gross profit against assetsbottom 21% of its family
  • the share count against the year beforebottom 15% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Industry position

as filed
4.2/10

How strong is its position in its industry?

bottom 42% of 17 in its family; net margin -105%.

weight 33% of this tense · 42nd percentile among 17 sector filers · read for its customers

From the record

ClearSign Technologies Corporation's standing among 17 graded names in its industry family: revenue of $5 million in fiscal 2025 ranks in the bottom 9% by size; a net margin of -105% ranks in the bottom 21%; revenue growth of 140.9% a year over the last 3 filed years ranks in the top 3% (its annual reports).

What it rests on

  • revenue against the family$5.2Mbottom 9% of its family
  • net margin-105.0%bottom 21% of its family
  • three-year revenue growth140.9%top 3% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Leadership

as filed
1.9/10

What are the people in charge doing?

bottom 19% of 13 in its family for leadership; chief executive since 2020.

weight 22% of this tense · 19th percentile among 13 sector filers · read for its shareholders

From the record

ClearSign Technologies Corporation's leadership, from its insiders' filings and its current reports: the chief executive on the record is Deller, Colin James (Chief Executive Officer, as filed), filing under that title since 2020-02-14, 6.7 years (top 50% of its family); the 6 officers and directors filing in the last fifteen months have been on the record a median of 1.9 years (bottom 4%); 6 officer or director changes were reported on Form 8-K since 2023-11-13, against the 6 people in charge now (bottom 4%; fewer changes for each person reads higher) (the Form 4 record, its Form 8-K reports). Years count from a person's first filing in the SEC's data sets, which begin in 2006, so each is a floor.

What it rests on

  • officer and director changes on Form 8-K, against the people in charge6 in three years among 6 peoplebottom 4% of its family
  • the median years the people in charge have filed1.9 yearsbottom 4% of its family
  • the chief executive's years on the record6.7 yearstop 50% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

▶ Future

What are they set up to do next?

6.1/1030% of the headline grade · 3 of 3 filed

Room to expand

as filed
5.5/10

How much room does it have to grow?

top 45% of 17 in its family for room to expand.

weight 45% of this tense · 55th percentile among 17 sector filers · read for itself

From the record

ClearSign Technologies Corporation's room to grow, from the newest filed statements (fiscal 2025): cash of $9 million against no long-term debt tagged leaves 75.3% of its assets as net cash, top 9% of its family; cash from operations less capital spending is -90.6% of revenue (bottom 21%); a gross margin of 27.2% (bottom 26%); research spending of 27.2% of revenue (top 17%) (its annual report).

What it rests on

  • cash less debt against assets75.3%top 9% of its family
  • cash from operations less capital spending against revenue-90.6%bottom 21% of its family
  • gross margin27.2%bottom 26% of its family
  • research spending against revenue27.2%top 17% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Growth drivers

as filed
7.0/10

What could actually drive growth from here?

top 30% of 17 in its family for growth drivers.

weight 33% of this tense · 70th percentile among 17 sector filers · read for its customers

From the record

ClearSign Technologies Corporation's growth drivers, from the filed years to fiscal 2025: revenue grew 140.9% a year over the last three filed years against 38.7% over all 8, speeding up (top 3% of its family); the newest year grew 45.6% (top 9%); research spending grew 41.2% a year (top 9%); capital spending grew -51.6% a year (bottom 3%) (its annual reports). ClearSign Technologies Corporation tags no split of its revenue by line in the annual report on file, so growth by line cannot be read here; research and capital spending are on the trend.

What it rests on

  • three-year growth against the whole span+102.2 points a yeartop 3% of its family
  • the newest year's revenue growth45.6%top 9% of its family
  • three-year growth of research spending41.2%top 9% of its family
  • three-year growth of capital spending-51.6%bottom 3% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Expectations vs reality

as filed
5.7/10

Did its newest year beat what its own record pointed to?

top 43% of 15 in its family for expectations against reality.

weight 22% of this tense · 57th percentile among 15 sector filers · read for its shareholders

From the record

ClearSign Technologies Corporation's newest year against its own record: revenue of $5 million in fiscal 2025 came in 53% below the $11 million its prior three years' pace pointed to (bottom 3% of its family); net income of $5 million against a prior three-year average of $5 million (top 30%); a net margin of a loss larger than its revenue against losses larger than its revenue before (top 3%) (its annual reports).

What it rests on

  • revenue against the prior three years' pace-53.0%bottom 3% of its family
  • net income against the prior three years' average-2%top 30% of its family
  • net margin against its prior averageup more than 100 pointstop 3% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

The grade is the company against its own industry, from its filings. It is not a view on the share price. How the grade is made

SI Assistanton CLIR · research, not advice