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Research & education only — not financial advice. EDGAR is not a registered investment adviser; calls are impersonal, generated from SEC filings and a delayed/third-party price feed, and may be wrong or out of date. The operator and an affiliated trading operation may hold or trade the securities EDGAR rates — see Disclosures. Do your own research.

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Home›Stocks›CLIR

CLIR

ClearSign Technologies Corp

Next earnings Aug 12, 2026 · consensus $-0.29 EPS, $696K rev

Last earnings +2.2% on 2026-05-21

Hold
$3.62
▲ +6.78%
$3.62▼ -37.24%
over 1Y
L $3.39EODHDH $10.60
Earnings Dividend Split Congress buy Congress sellGrouped by date · hover a pin to expand
Today+6.8%
1W-2.7%
1M-18.7%
3M-3.2%
YTD-36.5%
1Y-37.2%
OverviewFinancialsValuationQualityTimelineFilings
Rating
Hold
Quality
C-
Valuation
Fair value
Filings
Clean
Hold
Conviction
Horizon
Medium (3–12mo)
Street · 7 analysts
Buy

Revenue grew 45.6% YoY; but unprofitable (net margin -105.0%).

Revenue (FY2025) $5.23M · FY2025

ClearSign Technologies Corp shows $5.23M in FY2025 revenue (+45.6% YoY), a -105.0% net margin, and -57.7% ROE.

Financials · annual, by fiscal year

Line itemFY21FY22FY23FY24FY25
Revenue$607K$374K$2.40M$3.60M$5.23M
Gross profit-$452K$116K$817K$1.12M$1.42M
Operating income-$8.14M-$6.12M-$5.98M-$6.49M-$6.67M
Net income-$7.89M-$5.76M-$5.19M-$5.30M-$5.50M
Diluted EPS-$0.25-$0.16-$0.13-$1.08-$0.99
Net margin-1300.0%-1539.6%-216.1%-147.4%-105.0%

Annual figures from SEC 10-K XBRL filings. Open the filing links below for full statement detail.

Key statistics

Valuation

Enterprise value$10.8M
EV / EBITDA—
EV / Sales2.1
EV / FCF—
P / FCF—
PEG (trailing)—
Earnings yield-28.1%
FCF yield-24.2%

Quality & risk

ROIC (est.)-53.3%
Free cash flow-$4.74M
Total debt$349K
Net cash$8.83M
Altman Z-Score-8.11 distress
Piotroski F-Score2/8

Capital returns

Buyback yield—
Dividend yield (est.)—
Shareholder yield—
Shares Δ YoY+10401290.4%

Computed from SEC XBRL annual figures + the current quote. EV and ROIC use long-term + current debt where filed; estimates, not investment advice.

Disclosure timeline

SEC · 8-Ks + reports
Routine disclosure cadence — no material red flags in recent filings.
  1. 8-K Other event2026-06-18
  2. 8-K Shareholder vote2026-06-09
  3. 8-K Material agreement2026-06-01
  4. 8-K Other event2026-05-28
  5. 8-K Earnings results2026-05-21
  6. 10-Q Quarterly report2026-05-15
  7. DEF 14A Proxy statement2026-04-28
  8. 8-K Earnings results2026-04-10
  9. 10-K Annual report2026-03-31

Recent filings

all on EDGAR ↗
8-KPeriod ending 2026-06-182026-06-18open ↗8-KPeriod ending 2026-06-082026-06-09open ↗8-KPeriod ending 2026-05-282026-06-01open ↗424B5Filing2026-06-01open ↗424B5Filing2026-05-28open ↗8-KPeriod ending 2026-05-262026-05-28open ↗8-KPeriod ending 2026-05-202026-05-21open ↗10-QPeriod ending 2026-03-312026-05-15open ↗ARSPeriod ending 2025-12-312026-04-28open ↗DEFA14AFiling2026-04-28open ↗DEF 14APeriod ending 2026-06-082026-04-28open ↗4/APeriod ending 2026-02-262026-04-27open ↗

Quality score

C-
ValueGrowthProfitHealthMom.
ValueB
GrowthB-
ProfitabilityF
Financial healthB-
Momentum—
  • ✓Revenue growing year-over-year
  • ✗Profitable (positive net income)
  • ✗Net margin above 10%
  • ✗Return on equity above 15%
  • ✓Liabilities below 2× equity
Revenue
$5.23M
+45.6% YoY
Net margin
-105.0%
ROE
-57.7%
P/E
—

SEC fundamentals · FY 2025

'21'22'23'24'25

■ revenue · ■ net income, by fiscal year

Revenue$5.23M+45.6%
Net income-$5.50M-3.7%
Gross profit$1.42M+27.4%
Operating income-$6.67M-2.8%
Diluted EPS-$0.99+8.3%
Cash & equivalents$9.18M-34.6%
Total assets$12.2M-25.2%
Total liabilities$2.65M+5.2%
Stockholders' equity$9.53M-30.8%
Gross: 27.2%Op.: -127.5%L/E: 0.28x

Frequently asked

Is ClearSign Technologies Corp (CLIR) a buy?
CLIR currently carries a Hold rating with 2/5 conviction, derived from its latest SEC filings. Revenue grew 45.6% YoY; but unprofitable (net margin -105.0%).
What is ClearSign Technologies Corp's quality score?
CLIR scores 53.8235294117647/100 (grade C-) on a SEC-grounded quality model spanning value, growth, profitability, financial health and momentum.

Sources: SEC EDGAR (CIK 0001434524, latest 10-Q filed 2026-05-15) · EODHD · as of 6/22/2026, 11:36:15 PM.

Research and education only — not financial advice. EDGAR is not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities EDGAR rates; see Disclosures. Past performance does not guarantee future results. Do your own research.

Insider activity

Form 4 · SEC

Last 90 days: 2 open-market buys · 0 sales

2026-04-23
Silva Gil Todd
Director
Buy1.00K @ $5.32$5.32K
2026-04-23
Silva Gil Todd
Director
Buy1.00K @ $5.25$5.25K
2026-03-17
Silva Gil Todd
Director
Buy2.00K @ $4.20$8.40K
2026-03-16
Silva Gil Todd
Director
Buy2.00K @ $4.36$8.71K
2026-02-26
Deller Colin James
Chief Executive Officer
Award210K
2026-02-26
Deller Colin James
Chief Executive Officer
Tax105K @ $0.56$59.0K
2026-02-26
Hinds Brent
Chief Financial Officer
Award56.6K
2026-02-26
Hinds Brent
Chief Financial Officer
Tax20.8K @ $0.56$11.7K
2026-02-22
Hinds Brent
Chief Financial Officer
Exercise7.55K
2026-02-22
Hinds Brent
Chief Financial Officer
Tax2.77K @ $0.59$1.64K
2026-02-20
Hinds Brent
Chief Financial Officer
Exercise9.31K
2026-02-20
Hinds Brent
Chief Financial Officer
Tax3.41K @ $0.59$2.03K

Earnings history

beat/miss · move
2026-05-21Miss -31.8% est▲ +2.24%8-K ↗
2026-04-10Miss -31.8% est▼ -14.40%8-K ↗
2026-02-25Beat +80.4% est▼ -1.34%8-K ↗
2026-01-07Beat +80.4% est▲ +27.85%8-K ↗
2025-11-21Beat +26.5% est▼ -0.97%8-K ↗
2025-08-15Beat +26.5% est▼ -8.32%8-K ↗

Dates from 8-K (Item 2.02); beat/miss = reported EPS vs consensus (Finnhub, recent quarters); move = prior close → close on/after.

Recent news

market news →
Clearsign outlines October startup for 26-burner Gulf Coast project while advancing $0.5M phase of 32-burner California orderBullish
seekingalpha.com· 2026-05-21
ClearSign Technologies Q1 Earnings Miss Estimates, Revenues Fall Y/YBullish
finance.yahoo.com· 2026-05-21
ClearSign Technologies Corporation Q4 2025 Earnings Call SummaryBullish
finance.yahoo.com· 2026-04-10
Clearsign Technologies GAAP EPS of -$0.99, revenue of $5.2M misses by $4.53MBearish
seekingalpha.com· 2026-04-09
Quant snapshot: Delta Air Lines leads top-rated names as Byrna Technologies, Simulations Plus lagBullish
seekingalpha.com· 2026-04-05
Clearsign Technologies Q3 2025 Earnings PreviewBullish
seekingalpha.com· 2025-11-18

Vs tracked universe

compare →

1044 tracked peers · median

EDGAR Score54 vs 67
Revenue growth45.6% vs 7.1%
Net margin-105.0% vs 10.5%
Return on equity-57.7% vs 12.3%
P/E— vs 25.5