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Side-by-side financial comparison of AmpliTech Group, Inc. (AMPG) and Coya Therapeutics, Inc. (COYA). Click either name above to swap in a different company.

AmpliTech Group, Inc. is the larger business by last-quarter revenue ($4.5M vs $4.0M, roughly 1.1× Coya Therapeutics, Inc.). On growth, Coya Therapeutics, Inc. posted the faster year-over-year revenue change (202768.8% vs 141.6%).

Ampli Energy is a South African company providing a renewable energy trading platform that uses a wheeling process to deliver green energy to consumers.

Coya Therapeutics, Inc. is a clinical-stage biotechnology company focused on developing innovative regulatory T cell (Treg)-based therapies to address unmet medical needs for patients with neurodegenerative, autoimmune, and inflammatory diseases. Its core pipeline includes lead candidates targeting conditions like amyotrophic lateral sclerosis, with primary planned commercial markets across North America and the European Union.

AMPG vs COYA — Head-to-Head

Bigger by revenue
AMPG
AMPG
1.1× larger
AMPG
$4.5M
$4.0M
COYA
Growing faster (revenue YoY)
COYA
COYA
+202627.2% gap
COYA
202768.8%
141.6%
AMPG

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMPG
AMPG
COYA
COYA
Revenue
$4.5M
$4.0M
Net Profit
$-3.2M
Gross Margin
22.8%
Operating Margin
-73.3%
Net Margin
-71.6%
Revenue YoY
141.6%
202768.8%
Net Profit YoY
16.1%
-95.8%
EPS (diluted)
$-0.14

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
AMPG
AMPG
COYA
COYA
Q4 25
$4.5M
$4.0M
Q3 25
$6.1M
$3.6M
Q2 25
$11.0M
Q1 25
$3.6M
Q4 24
$1.9M
Q3 24
$2.8M
$0
Q2 24
$2.5M
$3.4M
Q1 24
$2.3M
Net Profit
AMPG
AMPG
COYA
COYA
Q4 25
$-3.2M
Q3 25
$-188.4K
$-2.1M
Q2 25
$-1.8M
Q1 25
$-1.8M
Q4 24
$-3.8M
Q3 24
$-1.2M
$-4.0M
Q2 24
$-1.6M
$-2.9M
Q1 24
$-4.7M
Gross Margin
AMPG
AMPG
COYA
COYA
Q4 25
22.8%
Q3 25
48.6%
Q2 25
7.8%
Q1 25
33.0%
Q4 24
10.7%
Q3 24
47.6%
Q2 24
41.8%
Q1 24
38.5%
Operating Margin
AMPG
AMPG
COYA
COYA
Q4 25
-73.3%
Q3 25
-3.6%
-68.3%
Q2 25
-17.5%
Q1 25
-52.5%
Q4 24
-234.5%
Q3 24
-38.4%
Q2 24
-62.0%
-94.5%
Q1 24
-62.3%
Net Margin
AMPG
AMPG
COYA
COYA
Q4 25
-71.6%
Q3 25
-3.1%
-59.4%
Q2 25
-16.1%
Q1 25
-51.1%
Q4 24
-206.2%
Q3 24
-42.0%
Q2 24
-62.4%
-84.4%
Q1 24
-203.0%
EPS (diluted)
AMPG
AMPG
COYA
COYA
Q4 25
$-0.14
Q3 25
$-0.01
$-0.13
Q2 25
$-0.09
Q1 25
$-0.09
Q4 24
$-0.28
Q3 24
$-0.12
$-0.26
Q2 24
$-0.16
$-0.19
Q1 24
$-0.48

Balance Sheet & Financial Strength

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

Metric
AMPG
AMPG
COYA
COYA
Cash + ST InvestmentsLiquidity on hand
$5.0M
$46.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$32.9M
$43.0M
Total Assets
$51.5M
$50.0M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPG
AMPG
COYA
COYA
Q4 25
$5.0M
$46.8M
Q3 25
$8.4M
$28.1M
Q2 25
$11.1M
Q1 25
$16.9M
Q4 24
$19.3M
Q3 24
$1.1M
$31.1M
Q2 24
$1.0M
$36.6M
Q1 24
$2.4M
Total Debt
AMPG
AMPG
COYA
COYA
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
$1.1M
Q2 24
$36.4K
Q1 24
$63.2K
Stockholders' Equity
AMPG
AMPG
COYA
COYA
Q4 25
$32.9M
$43.0M
Q3 25
$35.8M
$27.3M
Q2 25
$35.8M
Q1 25
$35.8M
Q4 24
$37.5M
Q3 24
$20.4M
$32.0M
Q2 24
$20.7M
$35.3M
Q1 24
$22.2M
Total Assets
AMPG
AMPG
COYA
COYA
Q4 25
$51.5M
$50.0M
Q3 25
$47.2M
$32.0M
Q2 25
$48.6M
Q1 25
$42.1M
Q4 24
$43.2M
Q3 24
$27.5M
$35.6M
Q2 24
$25.4M
$39.9M
Q1 24
$26.9M
Debt / Equity
AMPG
AMPG
COYA
COYA
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
AMPG
AMPG
COYA
COYA
Operating Cash FlowLast quarter
$-3.4M
$-10.7M
Free Cash FlowOCF − Capex
$-3.5M
FCF MarginFCF / Revenue
-78.4%
Capex IntensityCapex / Revenue
1.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-9.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPG
AMPG
COYA
COYA
Q4 25
$-3.4M
$-10.7M
Q3 25
$-999.4K
$-1.1M
Q2 25
$-2.3M
Q1 25
$-2.0M
Q4 24
$-1.2M
Q3 24
$-1.7M
$-5.5M
Q2 24
$-1.3M
$-4.6M
Q1 24
$-1.1M
Free Cash Flow
AMPG
AMPG
COYA
COYA
Q4 25
$-3.5M
Q3 25
$-1.4M
Q2 25
$-2.4M
Q1 25
$-2.4M
Q4 24
$-1.2M
Q3 24
$-1.7M
Q2 24
$-1.3M
Q1 24
$-1.1M
FCF Margin
AMPG
AMPG
COYA
COYA
Q4 25
-78.4%
Q3 25
-23.7%
Q2 25
-21.6%
Q1 25
-65.8%
Q4 24
-63.9%
Q3 24
-61.6%
Q2 24
-52.7%
Q1 24
-47.0%
Capex Intensity
AMPG
AMPG
COYA
COYA
Q4 25
1.9%
Q3 25
7.3%
Q2 25
1.1%
Q1 25
10.0%
Q4 24
0.9%
Q3 24
0.4%
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
AMPG

Other$2.7M60%
Distribution$1.8M40%

COYA
COYA

Segment breakdown not available.

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