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Side-by-side financial comparison of Eton Pharmaceuticals, Inc. (ETON) and FS Bancorp, Inc. (FSBW). Click either name above to swap in a different company.

FS Bancorp, Inc. is the larger business by last-quarter revenue ($40.0M vs $21.3M, roughly 1.9× Eton Pharmaceuticals, Inc.). On growth, Eton Pharmaceuticals, Inc. posted the faster year-over-year revenue change (82.7% vs 12.0%). FS Bancorp, Inc. produced more free cash flow last quarter ($51.9M vs $-11.6M). Over the past eight quarters, Eton Pharmaceuticals, Inc.'s revenue compounded faster (63.4% CAGR vs 6.2%).

Eton Pharmaceuticals, Inc. is a specialty pharmaceutical firm focused on developing and commercializing innovative therapies for rare diseases, pediatric care and hospital care segments. It mainly operates in the U.S. market, partnering with medical stakeholders to deliver accessible high-quality treatments to underserved patients.

FS Bancorp, Inc. is a U.S.-headquartered bank holding company that serves as the parent of 1st Security Bank of Washington. It offers a full range of personal and commercial banking solutions including deposit products, mortgage loans, small business financing and construction loans, primarily catering to customers in the Pacific Northwest, with core segments covering retail banking, commercial banking and residential lending.

ETON vs FSBW — Head-to-Head

Bigger by revenue
FSBW
FSBW
1.9× larger
FSBW
$40.0M
$21.3M
ETON
Growing faster (revenue YoY)
ETON
ETON
+70.7% gap
ETON
82.7%
12.0%
FSBW
More free cash flow
FSBW
FSBW
$63.5M more FCF
FSBW
$51.9M
$-11.6M
ETON
Faster 2-yr revenue CAGR
ETON
ETON
Annualised
ETON
63.4%
6.2%
FSBW

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ETON
ETON
FSBW
FSBW
Revenue
$21.3M
$40.0M
Net Profit
$1.5M
Gross Margin
61.6%
Operating Margin
11.6%
25.8%
Net Margin
7.0%
Revenue YoY
82.7%
12.0%
Net Profit YoY
348.0%
EPS (diluted)
$1.11

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
ETON
ETON
FSBW
FSBW
Q4 25
$21.3M
$40.0M
Q3 25
$22.5M
$39.3M
Q2 25
$18.9M
$37.3M
Q1 25
$17.3M
$36.1M
Q4 24
$11.6M
$35.7M
Q3 24
$10.3M
$37.2M
Q2 24
$9.1M
$36.3M
Q1 24
$8.0M
$35.5M
Net Profit
ETON
ETON
FSBW
FSBW
Q4 25
$1.5M
Q3 25
$-1.9M
$9.2M
Q2 25
$-2.6M
$7.7M
Q1 25
$-1.6M
$8.0M
Q4 24
$-598.0K
Q3 24
$627.0K
$10.3M
Q2 24
$-3.0M
$9.0M
Q1 24
$-811.0K
$8.4M
Gross Margin
ETON
ETON
FSBW
FSBW
Q4 25
61.6%
Q3 25
35.0%
Q2 25
63.0%
Q1 25
57.1%
Q4 24
55.6%
Q3 24
61.0%
Q2 24
62.0%
Q1 24
62.9%
Operating Margin
ETON
ETON
FSBW
FSBW
Q4 25
11.6%
25.8%
Q3 25
-6.1%
29.5%
Q2 25
-7.8%
26.2%
Q1 25
-2.7%
26.2%
Q4 24
5.4%
27.6%
Q3 24
4.9%
26.5%
Q2 24
-32.3%
31.3%
Q1 24
-10.0%
29.7%
Net Margin
ETON
ETON
FSBW
FSBW
Q4 25
7.0%
Q3 25
-8.6%
23.4%
Q2 25
-13.7%
20.7%
Q1 25
-9.1%
22.2%
Q4 24
-5.1%
Q3 24
6.1%
27.6%
Q2 24
-33.5%
24.7%
Q1 24
-10.2%
23.7%
EPS (diluted)
ETON
ETON
FSBW
FSBW
Q4 25
$1.11
Q3 25
$-0.07
$1.18
Q2 25
$0.99
Q1 25
$1.01
Q4 24
$0.88
Q3 24
$0.02
$1.29
Q2 24
$-0.12
$1.13
Q1 24
$-0.03
$1.06

Balance Sheet & Financial Strength

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

Metric
ETON
ETON
FSBW
FSBW
Cash + ST InvestmentsLiquidity on hand
$25.9M
$28.2M
Total DebtLower is stronger
Stockholders' EquityBook value
$26.2M
$307.7M
Total Assets
$92.1M
$3.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ETON
ETON
FSBW
FSBW
Q4 25
$25.9M
$28.2M
Q3 25
$37.1M
$61.3M
Q2 25
$25.4M
$33.2M
Q1 25
$17.4M
$62.7M
Q4 24
$14.9M
$31.6M
Q3 24
$20.3M
$40.3M
Q2 24
$17.7M
$33.0M
Q1 24
$16.7M
$45.4M
Total Debt
ETON
ETON
FSBW
FSBW
Q4 25
Q3 25
Q2 25
Q1 25
$30.0M
Q4 24
$29.8M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
ETON
ETON
FSBW
FSBW
Q4 25
$26.2M
$307.7M
Q3 25
$23.1M
$300.5M
Q2 25
$24.0M
$297.2M
Q1 25
$24.4M
$298.8M
Q4 24
$24.4M
$295.8M
Q3 24
$16.0M
$288.9M
Q2 24
$13.5M
$284.0M
Q1 24
$15.5M
$277.9M
Total Assets
ETON
ETON
FSBW
FSBW
Q4 25
$92.1M
$3.2B
Q3 25
$104.5M
$3.2B
Q2 25
$101.7M
$3.2B
Q1 25
$84.0M
$3.1B
Q4 24
$76.1M
$3.0B
Q3 24
$35.8M
$3.0B
Q2 24
$31.8M
$2.9B
Q1 24
$30.8M
$3.0B
Debt / Equity
ETON
ETON
FSBW
FSBW
Q4 25
Q3 25
Q2 25
Q1 25
1.23×
Q4 24
1.22×
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
ETON
ETON
FSBW
FSBW
Operating Cash FlowLast quarter
$-11.6M
$72.3M
Free Cash FlowOCF − Capex
$-11.6M
$51.9M
FCF MarginFCF / Revenue
-54.5%
129.8%
Capex IntensityCapex / Revenue
0.2%
50.9%
Cash ConversionOCF / Net Profit
-7.79×
TTM Free Cash FlowTrailing 4 quarters
$107.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ETON
ETON
FSBW
FSBW
Q4 25
$-11.6M
$72.3M
Q3 25
$12.0M
$44.6M
Q2 25
$8.0M
$7.1M
Q1 25
$2.1M
$8.2M
Q4 24
$-765.0K
$50.8M
Q3 24
$3.0M
$-891.0K
Q2 24
$1.3M
$9.9M
Q1 24
$-2.5M
$275.0K
Free Cash Flow
ETON
ETON
FSBW
FSBW
Q4 25
$-11.6M
$51.9M
Q3 25
$11.7M
$41.6M
Q2 25
$5.9M
Q1 25
$7.8M
Q4 24
$-777.0K
$49.2M
Q3 24
$-1.5M
Q2 24
$9.6M
Q1 24
$-2.5M
$-82.0K
FCF Margin
ETON
ETON
FSBW
FSBW
Q4 25
-54.5%
129.8%
Q3 25
52.3%
105.9%
Q2 25
15.7%
Q1 25
21.7%
Q4 24
-6.7%
137.7%
Q3 24
-4.1%
Q2 24
26.6%
Q1 24
-31.2%
-0.2%
Capex Intensity
ETON
ETON
FSBW
FSBW
Q4 25
0.2%
50.9%
Q3 25
1.3%
7.7%
Q2 25
0.0%
3.5%
Q1 25
0.0%
1.0%
Q4 24
0.1%
4.6%
Q3 24
0.0%
1.7%
Q2 24
0.0%
0.8%
Q1 24
0.2%
1.0%
Cash Conversion
ETON
ETON
FSBW
FSBW
Q4 25
-7.79×
Q3 25
4.86×
Q2 25
0.92×
Q1 25
1.02×
Q4 24
Q3 24
4.71×
-0.09×
Q2 24
1.11×
Q1 24
0.03×

Financial Flow Comparison

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

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