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Side-by-side financial comparison of AmpliTech Group, Inc. (AMPG) and ClearSign Technologies Corp (CLIR). Click either name above to swap in a different company.
AmpliTech Group, Inc. is the larger business by last-quarter revenue ($4.5M vs $3.7M, roughly 1.2× ClearSign Technologies Corp). ClearSign Technologies Corp runs the higher net margin — -8.5% vs -71.6%, a 63.2% gap on every dollar of revenue. On growth, ClearSign Technologies Corp posted the faster year-over-year revenue change (522.2% vs 141.6%). Over the past eight quarters, ClearSign Technologies Corp's revenue compounded faster (82.5% CAGR vs 39.7%).
Ampli Energy is a South African company providing a renewable energy trading platform that uses a wheeling process to deliver green energy to consumers.
ClearSign Technologies Corporation (ClearSign) is a United States-based company that develops emission-control technology.
AMPG vs CLIR — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $4.5M | $3.7M |
| Net Profit | $-3.2M | $-311.0K |
| Gross Margin | 22.8% | 21.9% |
| Operating Margin | -73.3% | -22.5% |
| Net Margin | -71.6% | -8.5% |
| Revenue YoY | 141.6% | 522.2% |
| Net Profit YoY | 16.1% | 73.3% |
| EPS (diluted) | $-0.14 | $-0.06 |
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.
| Q4 25 | $4.5M | $3.7M | ||
| Q3 25 | $6.1M | $1.0M | ||
| Q2 25 | $11.0M | $133.0K | ||
| Q1 25 | $3.6M | $401.0K | ||
| Q4 24 | $1.9M | $590.0K | ||
| Q3 24 | $2.8M | $1.9M | ||
| Q2 24 | $2.5M | $45.0K | ||
| Q1 24 | $2.3M | $1.1M |
| Q4 25 | $-3.2M | $-311.0K | ||
| Q3 25 | $-188.4K | $-1.4M | ||
| Q2 25 | $-1.8M | $-1.7M | ||
| Q1 25 | $-1.8M | $-2.1M | ||
| Q4 24 | $-3.8M | $-1.2M | ||
| Q3 24 | $-1.2M | $-1.2M | ||
| Q2 24 | $-1.6M | $-1.9M | ||
| Q1 24 | $-4.7M | $-1.1M |
| Q4 25 | 22.8% | 21.9% | ||
| Q3 25 | 48.6% | 35.8% | ||
| Q2 25 | 7.8% | 41.4% | ||
| Q1 25 | 33.0% | 48.9% | ||
| Q4 24 | 10.7% | 14.9% | ||
| Q3 24 | 47.6% | 29.6% | ||
| Q2 24 | 41.8% | 93.3% | ||
| Q1 24 | 38.5% | 39.7% |
| Q4 25 | -73.3% | -22.5% | ||
| Q3 25 | -3.6% | -170.1% | ||
| Q2 25 | -17.5% | -1382.0% | ||
| Q1 25 | -52.5% | -562.8% | ||
| Q4 24 | -234.5% | -282.4% | ||
| Q3 24 | -38.4% | -77.1% | ||
| Q2 24 | -62.0% | -4748.9% | ||
| Q1 24 | -62.3% | -113.6% |
| Q4 25 | -71.6% | -8.5% | ||
| Q3 25 | -3.1% | -138.9% | ||
| Q2 25 | -16.1% | -1263.2% | ||
| Q1 25 | -51.1% | -517.7% | ||
| Q4 24 | -206.2% | -197.3% | ||
| Q3 24 | -42.0% | -62.1% | ||
| Q2 24 | -62.4% | -4160.0% | ||
| Q1 24 | -203.0% | -100.5% |
| Q4 25 | $-0.14 | $-0.06 | ||
| Q3 25 | $-0.01 | $-0.26 | ||
| Q2 25 | $-0.09 | $-0.30 | ||
| Q1 25 | $-0.09 | $-0.37 | ||
| Q4 24 | $-0.28 | $-0.18 | ||
| Q3 24 | $-0.12 | $-0.20 | ||
| Q2 24 | $-0.16 | $-0.40 | ||
| Q1 24 | $-0.48 | $-0.30 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $5.0M | $9.2M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $32.9M | $9.5M |
| Total Assets | $51.5M | $12.2M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $5.0M | $9.2M | ||
| Q3 25 | $8.4M | $10.5M | ||
| Q2 25 | $11.1M | $12.3M | ||
| Q1 25 | $16.9M | $12.9M | ||
| Q4 24 | $19.3M | $14.0M | ||
| Q3 24 | $1.1M | $14.5M | ||
| Q2 24 | $1.0M | $16.0M | ||
| Q1 24 | $2.4M | $4.6M |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | $1.1M | — | ||
| Q2 24 | $36.4K | — | ||
| Q1 24 | $63.2K | — |
| Q4 25 | $32.9M | $9.5M | ||
| Q3 25 | $35.8M | $9.1M | ||
| Q2 25 | $35.8M | $10.4M | ||
| Q1 25 | $35.8M | $12.0M | ||
| Q4 24 | $37.5M | $13.8M | ||
| Q3 24 | $20.4M | $14.8M | ||
| Q2 24 | $20.7M | $15.9M | ||
| Q1 24 | $22.2M | $4.5M |
| Q4 25 | $51.5M | $12.2M | ||
| Q3 25 | $47.2M | $12.7M | ||
| Q2 25 | $48.6M | $14.2M | ||
| Q1 25 | $42.1M | $14.5M | ||
| Q4 24 | $43.2M | $16.3M | ||
| Q3 24 | $27.5M | $17.1M | ||
| Q2 24 | $25.4M | $17.8M | ||
| Q1 24 | $26.9M | $6.6M |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | 0.06× | — | ||
| Q2 24 | 0.00× | — | ||
| Q1 24 | 0.00× | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-3.4M | $-1.3M |
| Free Cash FlowOCF − Capex | $-3.5M | — |
| FCF MarginFCF / Revenue | -78.4% | — |
| Capex IntensityCapex / Revenue | 1.9% | 0.0% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | $-9.7M | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-3.4M | $-1.3M | ||
| Q3 25 | $-999.4K | $-1.8M | ||
| Q2 25 | $-2.3M | $-511.0K | ||
| Q1 25 | $-2.0M | $-1.1M | ||
| Q4 24 | $-1.2M | $-415.0K | ||
| Q3 24 | $-1.7M | $-1.4M | ||
| Q2 24 | $-1.3M | $-1.5M | ||
| Q1 24 | $-1.1M | $-1.0M |
| Q4 25 | $-3.5M | — | ||
| Q3 25 | $-1.4M | — | ||
| Q2 25 | $-2.4M | — | ||
| Q1 25 | $-2.4M | $-1.1M | ||
| Q4 24 | $-1.2M | — | ||
| Q3 24 | $-1.7M | — | ||
| Q2 24 | $-1.3M | — | ||
| Q1 24 | $-1.1M | — |
| Q4 25 | -78.4% | — | ||
| Q3 25 | -23.7% | — | ||
| Q2 25 | -21.6% | — | ||
| Q1 25 | -65.8% | -278.1% | ||
| Q4 24 | -63.9% | — | ||
| Q3 24 | -61.6% | — | ||
| Q2 24 | -52.7% | — | ||
| Q1 24 | -47.0% | — |
| Q4 25 | 1.9% | 0.0% | ||
| Q3 25 | 7.3% | 0.0% | ||
| Q2 25 | 1.1% | 0.0% | ||
| Q1 25 | 10.0% | 1.0% | ||
| Q4 24 | 0.9% | — | ||
| Q3 24 | 0.4% | 0.0% | ||
| Q2 24 | 0.5% | — | ||
| Q1 24 | 0.1% | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
AMPG
| Other | $2.7M | 60% |
| Distribution | $1.8M | 40% |
CLIR
Segment breakdown not available.
