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Side-by-side financial comparison of ClearSign Technologies Corp (CLIR) and Solid Power, Inc. (SLDP). Click either name above to swap in a different company.

ClearSign Technologies Corp is the larger business by last-quarter revenue ($3.7M vs $3.6M, roughly 1.0× Solid Power, Inc.). On growth, ClearSign Technologies Corp posted the faster year-over-year revenue change (522.2% vs -18.6%). Over the past eight quarters, ClearSign Technologies Corp's revenue compounded faster (82.5% CAGR vs -21.9%).

ClearSign Technologies Corporation (ClearSign) is a United States-based company that develops emission-control technology.

Solid Energy was the largest coal mining company in New Zealand and is a state owned enterprise of the New Zealand Government.

CLIR vs SLDP — Head-to-Head

Bigger by revenue
CLIR
CLIR
1.0× larger
CLIR
$3.7M
$3.6M
SLDP
Growing faster (revenue YoY)
CLIR
CLIR
+540.8% gap
CLIR
522.2%
-18.6%
SLDP
Faster 2-yr revenue CAGR
CLIR
CLIR
Annualised
CLIR
82.5%
-21.9%
SLDP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CLIR
CLIR
SLDP
SLDP
Revenue
$3.7M
$3.6M
Net Profit
$-311.0K
Gross Margin
21.9%
Operating Margin
-22.5%
-730.1%
Net Margin
-8.5%
Revenue YoY
522.2%
-18.6%
Net Profit YoY
73.3%
EPS (diluted)
$-0.06
$-0.15

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CLIR
CLIR
SLDP
SLDP
Q4 25
$3.7M
$3.6M
Q3 25
$1.0M
$3.7M
Q2 25
$133.0K
$6.5M
Q1 25
$401.0K
$6.0M
Q4 24
$590.0K
$4.5M
Q3 24
$1.9M
$4.7M
Q2 24
$45.0K
$5.1M
Q1 24
$1.1M
$6.0M
Net Profit
CLIR
CLIR
SLDP
SLDP
Q4 25
$-311.0K
Q3 25
$-1.4M
$-25.9M
Q2 25
$-1.7M
$-25.3M
Q1 25
$-2.1M
$-15.2M
Q4 24
$-1.2M
Q3 24
$-1.2M
$-22.4M
Q2 24
$-1.9M
$-22.3M
Q1 24
$-1.1M
$-21.2M
Gross Margin
CLIR
CLIR
SLDP
SLDP
Q4 25
21.9%
Q3 25
35.8%
Q2 25
41.4%
Q1 25
48.9%
Q4 24
14.9%
Q3 24
29.6%
Q2 24
93.3%
Q1 24
39.7%
Operating Margin
CLIR
CLIR
SLDP
SLDP
Q4 25
-22.5%
-730.1%
Q3 25
-170.1%
-654.4%
Q2 25
-1382.0%
-398.9%
Q1 25
-562.8%
-399.4%
Q4 24
-282.4%
-561.1%
Q3 24
-77.1%
-593.2%
Q2 24
-4748.9%
-530.8%
Q1 24
-113.6%
-433.1%
Net Margin
CLIR
CLIR
SLDP
SLDP
Q4 25
-8.5%
Q3 25
-138.9%
-693.1%
Q2 25
-1263.2%
-390.7%
Q1 25
-517.7%
-251.8%
Q4 24
-197.3%
Q3 24
-62.1%
-482.0%
Q2 24
-4160.0%
-438.9%
Q1 24
-100.5%
-356.2%
EPS (diluted)
CLIR
CLIR
SLDP
SLDP
Q4 25
$-0.06
$-0.15
Q3 25
$-0.26
$-0.14
Q2 25
$-0.30
$-0.14
Q1 25
$-0.37
$-0.08
Q4 24
$-0.18
$-0.16
Q3 24
$-0.20
$-0.13
Q2 24
$-0.40
$-0.13
Q1 24
$-0.30
$-0.12

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CLIR
CLIR
SLDP
SLDP
Cash + ST InvestmentsLiquidity on hand
$9.2M
$250.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$9.5M
$415.7M
Total Assets
$12.2M
$455.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CLIR
CLIR
SLDP
SLDP
Q4 25
$9.2M
$250.8M
Q3 25
$10.5M
$251.2M
Q2 25
$12.3M
$230.9M
Q1 25
$12.9M
$240.9M
Q4 24
$14.0M
$118.2M
Q3 24
$14.5M
$132.0M
Q2 24
$16.0M
$140.5M
Q1 24
$4.6M
$146.6M
Stockholders' Equity
CLIR
CLIR
SLDP
SLDP
Q4 25
$9.5M
$415.7M
Q3 25
$9.1M
$381.2M
Q2 25
$10.4M
$370.6M
Q1 25
$12.0M
$397.1M
Q4 24
$13.8M
$410.3M
Q3 24
$14.8M
$439.4M
Q2 24
$15.9M
$456.8M
Q1 24
$4.5M
$479.4M
Total Assets
CLIR
CLIR
SLDP
SLDP
Q4 25
$12.2M
$455.1M
Q3 25
$12.7M
$416.1M
Q2 25
$14.2M
$398.0M
Q1 25
$14.5M
$419.4M
Q4 24
$16.3M
$448.3M
Q3 24
$17.1M
$470.9M
Q2 24
$17.8M
$492.6M
Q1 24
$6.6M
$516.2M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CLIR
CLIR
SLDP
SLDP
Operating Cash FlowLast quarter
$-1.3M
$-18.4M
Free Cash FlowOCF − Capex
$-23.0M
FCF MarginFCF / Revenue
-633.0%
Capex IntensityCapex / Revenue
0.0%
126.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-83.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CLIR
CLIR
SLDP
SLDP
Q4 25
$-1.3M
$-18.4M
Q3 25
$-1.8M
$-14.3M
Q2 25
$-511.0K
$-14.4M
Q1 25
$-1.1M
$-26.3M
Q4 24
$-415.0K
$-13.9M
Q3 24
$-1.4M
$-9.9M
Q2 24
$-1.5M
$-11.1M
Q1 24
$-1.0M
$-29.1M
Free Cash Flow
CLIR
CLIR
SLDP
SLDP
Q4 25
$-23.0M
Q3 25
$-14.8M
Q2 25
$-17.1M
Q1 25
$-1.1M
$-28.6M
Q4 24
$-18.6M
Q3 24
$-12.6M
Q2 24
$-15.5M
Q1 24
$-33.1M
FCF Margin
CLIR
CLIR
SLDP
SLDP
Q4 25
-633.0%
Q3 25
-397.6%
Q2 25
-264.2%
Q1 25
-278.1%
-476.1%
Q4 24
-416.5%
Q3 24
-271.5%
Q2 24
-305.8%
Q1 24
-556.3%
Capex Intensity
CLIR
CLIR
SLDP
SLDP
Q4 25
0.0%
126.5%
Q3 25
0.0%
15.3%
Q2 25
0.0%
41.5%
Q1 25
1.0%
39.1%
Q4 24
105.5%
Q3 24
0.0%
59.7%
Q2 24
86.8%
Q1 24
68.1%

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

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