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Side-by-side financial comparison of Amprius Technologies, Inc. (AMPX) and GREENE COUNTY BANCORP INC (GCBC). Click either name above to swap in a different company.

Amprius Technologies, Inc. is the larger business by last-quarter revenue ($25.2M vs $22.2M, roughly 1.1× GREENE COUNTY BANCORP INC). GREENE COUNTY BANCORP INC runs the higher net margin — 46.3% vs -96.7%, a 143.0% gap on every dollar of revenue. On growth, Amprius Technologies, Inc. posted the faster year-over-year revenue change (137.4% vs 23.8%). GREENE COUNTY BANCORP INC produced more free cash flow last quarter ($6.2M vs $-5.9M). Over the past eight quarters, Amprius Technologies, Inc.'s revenue compounded faster (228.7% CAGR vs 18.9%).

Amprius Technologies, Inc. develops and manufactures high-energy density lithium-ion batteries using proprietary silicon anode technology. It serves aerospace, defense, electric mobility, and portable electronics segments, offering products with longer runtime and faster charging than conventional alternatives.

Bank of Greene County is an American federally-chartered savings bank headquartered in Catskill, NY. The bank's branches are located in the Upstate New York counties of Greene, Columbia, Albany, Ulster, and Rensselaer.

AMPX vs GCBC — Head-to-Head

Bigger by revenue
AMPX
AMPX
1.1× larger
AMPX
$25.2M
$22.2M
GCBC
Growing faster (revenue YoY)
AMPX
AMPX
+113.6% gap
AMPX
137.4%
23.8%
GCBC
Higher net margin
GCBC
GCBC
143.0% more per $
GCBC
46.3%
-96.7%
AMPX
More free cash flow
GCBC
GCBC
$12.1M more FCF
GCBC
$6.2M
$-5.9M
AMPX
Faster 2-yr revenue CAGR
AMPX
AMPX
Annualised
AMPX
228.7%
18.9%
GCBC

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
AMPX
AMPX
GCBC
GCBC
Revenue
$25.2M
$22.2M
Net Profit
$-24.4M
$10.3M
Gross Margin
23.6%
Operating Margin
-100.9%
52.0%
Net Margin
-96.7%
46.3%
Revenue YoY
137.4%
23.8%
Net Profit YoY
-113.6%
37.4%
EPS (diluted)
$-0.19
$0.60

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
AMPX
AMPX
GCBC
GCBC
Q4 25
$25.2M
$22.2M
Q3 25
$21.4M
$21.5M
Q2 25
$15.1M
$20.5M
Q1 25
$11.3M
$20.1M
Q4 24
$10.6M
$17.9M
Q3 24
$7.9M
$16.9M
Q2 24
$3.3M
$16.6M
Q1 24
$2.3M
$15.7M
Net Profit
AMPX
AMPX
GCBC
GCBC
Q4 25
$-24.4M
$10.3M
Q3 25
$-3.9M
$8.9M
Q2 25
$-6.4M
$9.3M
Q1 25
$-9.4M
$8.1M
Q4 24
$-11.4M
$7.5M
Q3 24
$-10.8M
$6.3M
Q2 24
$-12.5M
$6.7M
Q1 24
$-9.9M
$5.9M
Gross Margin
AMPX
AMPX
GCBC
GCBC
Q4 25
23.6%
Q3 25
15.5%
Q2 25
8.9%
Q1 25
-20.9%
Q4 24
-21.2%
Q3 24
-64.9%
Q2 24
-195.2%
Q1 24
Operating Margin
AMPX
AMPX
GCBC
GCBC
Q4 25
-100.9%
52.0%
Q3 25
-21.9%
47.4%
Q2 25
-45.2%
53.5%
Q1 25
-85.7%
44.6%
Q4 24
-110.6%
45.0%
Q3 24
-143.3%
39.6%
Q2 24
-386.6%
41.2%
Q1 24
-441.7%
39.4%
Net Margin
AMPX
AMPX
GCBC
GCBC
Q4 25
-96.7%
46.3%
Q3 25
-18.2%
41.2%
Q2 25
-42.3%
45.6%
Q1 25
-83.0%
40.1%
Q4 24
-107.4%
41.7%
Q3 24
-138.1%
37.1%
Q2 24
-374.2%
40.6%
Q1 24
-423.2%
37.3%
EPS (diluted)
AMPX
AMPX
GCBC
GCBC
Q4 25
$-0.19
$0.60
Q3 25
$-0.03
$0.52
Q2 25
$-0.05
$0.55
Q1 25
$-0.08
$0.47
Q4 24
$-0.11
$0.44
Q3 24
$-0.10
$0.37
Q2 24
$-0.13
$0.39
Q1 24
$-0.11
$0.34

Balance Sheet & Financial Strength

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

Metric
AMPX
AMPX
GCBC
GCBC
Cash + ST InvestmentsLiquidity on hand
$90.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$103.8M
$258.3M
Total Assets
$156.9M
$3.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPX
AMPX
GCBC
GCBC
Q4 25
$90.5M
Q3 25
$73.2M
Q2 25
$54.2M
Q1 25
$48.4M
$155.5M
Q4 24
$55.2M
$166.4M
Q3 24
$35.0M
Q2 24
$46.4M
$190.4M
Q1 24
$39.0M
Stockholders' Equity
AMPX
AMPX
GCBC
GCBC
Q4 25
$103.8M
$258.3M
Q3 25
$103.2M
$248.2M
Q2 25
$76.7M
$238.8M
Q1 25
$70.4M
$229.0M
Q4 24
$69.5M
$218.4M
Q3 24
$56.0M
$216.3M
Q2 24
$65.1M
$206.0M
Q1 24
$59.9M
$199.2M
Total Assets
AMPX
AMPX
GCBC
GCBC
Q4 25
$156.9M
$3.1B
Q3 25
$156.5M
$3.1B
Q2 25
$123.0M
$3.0B
Q1 25
$118.5M
$3.0B
Q4 24
$121.1M
$3.0B
Q3 24
$104.2M
$2.9B
Q2 24
$112.8M
$2.8B
Q1 24
$104.7M
$2.9B

Cash Flow & Capital Efficiency

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

Metric
AMPX
AMPX
GCBC
GCBC
Operating Cash FlowLast quarter
$-3.5M
$6.4M
Free Cash FlowOCF − Capex
$-5.9M
$6.2M
FCF MarginFCF / Revenue
-23.2%
28.0%
Capex IntensityCapex / Revenue
9.3%
0.9%
Cash ConversionOCF / Net Profit
0.62×
TTM Free Cash FlowTrailing 4 quarters
$-35.5M
$47.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPX
AMPX
GCBC
GCBC
Q4 25
$-3.5M
$6.4M
Q3 25
$-9.2M
$7.0M
Q2 25
$-4.3M
$28.0M
Q1 25
$-14.1M
$7.3M
Q4 24
$-6.1M
$5.3M
Q3 24
$-9.5M
$2.1M
Q2 24
$-8.0M
$24.9M
Q1 24
$-9.8M
$5.6M
Free Cash Flow
AMPX
AMPX
GCBC
GCBC
Q4 25
$-5.9M
$6.2M
Q3 25
$-9.7M
$6.5M
Q2 25
$-5.0M
$27.3M
Q1 25
$-15.0M
$7.3M
Q4 24
$-9.7M
$5.1M
Q3 24
$-10.9M
$2.0M
Q2 24
$-9.6M
$23.4M
Q1 24
$-13.7M
$4.9M
FCF Margin
AMPX
AMPX
GCBC
GCBC
Q4 25
-23.2%
28.0%
Q3 25
-45.1%
30.4%
Q2 25
-33.1%
133.3%
Q1 25
-133.3%
36.1%
Q4 24
-91.4%
28.6%
Q3 24
-138.3%
11.8%
Q2 24
-285.9%
141.2%
Q1 24
-585.4%
31.3%
Capex Intensity
AMPX
AMPX
GCBC
GCBC
Q4 25
9.3%
0.9%
Q3 25
1.9%
1.9%
Q2 25
4.8%
3.4%
Q1 25
8.1%
0.3%
Q4 24
34.1%
1.0%
Q3 24
17.0%
0.9%
Q2 24
48.0%
9.1%
Q1 24
166.8%
4.2%
Cash Conversion
AMPX
AMPX
GCBC
GCBC
Q4 25
0.62×
Q3 25
0.78×
Q2 25
3.00×
Q1 25
0.91×
Q4 24
0.71×
Q3 24
0.34×
Q2 24
3.70×
Q1 24
0.95×

Financial Flow Comparison

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

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