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Side-by-side financial comparison of FS Bancorp, Inc. (FSBW) and SURF AIR MOBILITY INC. (SRFM). Click either name above to swap in a different company.

FS Bancorp, Inc. is the larger business by last-quarter revenue ($40.0M vs $26.4M, roughly 1.5× SURF AIR MOBILITY INC.). On growth, FS Bancorp, Inc. posted the faster year-over-year revenue change (12.0% vs -5.7%). FS Bancorp, Inc. produced more free cash flow last quarter ($51.9M vs $-20.1M). Over the past eight quarters, FS Bancorp, Inc.'s revenue compounded faster (6.2% CAGR vs -7.1%).

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.

Surf Air Mobility Inc. is an American aviation company focused on regional flying. The company plans to develop electric and hybrid powertrains to upgrade existing aircraft. Surf Air Mobility is also developing AI-enabled SurfOS operating system for the regional air mobility industry. Surf Air Mobility is the parent company of Surf Air, Surf On Demand, and two airlines, Mokulele Airlines and Southern Airways Express.

FSBW vs SRFM — Head-to-Head

Bigger by revenue
FSBW
FSBW
1.5× larger
FSBW
$40.0M
$26.4M
SRFM
Growing faster (revenue YoY)
FSBW
FSBW
+17.7% gap
FSBW
12.0%
-5.7%
SRFM
More free cash flow
FSBW
FSBW
$72.0M more FCF
FSBW
$51.9M
$-20.1M
SRFM
Faster 2-yr revenue CAGR
FSBW
FSBW
Annualised
FSBW
6.2%
-7.1%
SRFM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FSBW
FSBW
SRFM
SRFM
Revenue
$40.0M
$26.4M
Net Profit
$-36.9M
Gross Margin
Operating Margin
25.8%
-97.8%
Net Margin
-139.4%
Revenue YoY
12.0%
-5.7%
Net Profit YoY
-3015.3%
EPS (diluted)
$1.11
$-0.08

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
FSBW
FSBW
SRFM
SRFM
Q4 25
$40.0M
$26.4M
Q3 25
$39.3M
$29.2M
Q2 25
$37.3M
$27.4M
Q1 25
$36.1M
$23.5M
Q4 24
$35.7M
$28.0M
Q3 24
$37.2M
$28.4M
Q2 24
$36.3M
$32.4M
Q1 24
$35.5M
$30.6M
Net Profit
FSBW
FSBW
SRFM
SRFM
Q4 25
$-36.9M
Q3 25
$9.2M
$-27.2M
Q2 25
$7.7M
$-28.0M
Q1 25
$8.0M
$-18.5M
Q4 24
$1.3M
Q3 24
$10.3M
$-12.2M
Q2 24
$9.0M
$-27.0M
Q1 24
$8.4M
$-37.0M
Operating Margin
FSBW
FSBW
SRFM
SRFM
Q4 25
25.8%
-97.8%
Q3 25
29.5%
-56.6%
Q2 25
26.2%
-58.1%
Q1 25
26.2%
-79.0%
Q4 24
27.6%
28.9%
Q3 24
26.5%
-30.4%
Q2 24
31.3%
-78.0%
Q1 24
29.7%
-112.6%
Net Margin
FSBW
FSBW
SRFM
SRFM
Q4 25
-139.4%
Q3 25
23.4%
-93.3%
Q2 25
20.7%
-102.1%
Q1 25
22.2%
-78.6%
Q4 24
4.5%
Q3 24
27.6%
-43.1%
Q2 24
24.7%
-83.4%
Q1 24
23.7%
-120.7%
EPS (diluted)
FSBW
FSBW
SRFM
SRFM
Q4 25
$1.11
$-0.08
Q3 25
$1.18
$-0.64
Q2 25
$0.99
$-1.34
Q1 25
$1.01
$-1.09
Q4 24
$0.88
$0.80
Q3 24
$1.29
$-0.94
Q2 24
$1.13
$-2.31
Q1 24
$1.06
$-3.35

Balance Sheet & Financial Strength

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

Metric
FSBW
FSBW
SRFM
SRFM
Cash + ST InvestmentsLiquidity on hand
$28.2M
$12.7M
Total DebtLower is stronger
$17.1M
Stockholders' EquityBook value
$307.7M
$-54.9M
Total Assets
$3.2B
$131.7M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSBW
FSBW
SRFM
SRFM
Q4 25
$28.2M
$12.7M
Q3 25
$61.3M
$7.1M
Q2 25
$33.2M
$22.6M
Q1 25
$62.7M
$6.6M
Q4 24
$31.6M
$21.1M
Q3 24
$40.3M
$506.0K
Q2 24
$33.0M
$1.5M
Q1 24
$45.4M
$1.3M
Total Debt
FSBW
FSBW
SRFM
SRFM
Q4 25
$17.1M
Q3 25
$63.8M
Q2 25
$63.3M
Q1 25
$62.9M
Q4 24
$62.4M
Q3 24
$22.5M
Q2 24
$23.3M
Q1 24
$25.1M
Stockholders' Equity
FSBW
FSBW
SRFM
SRFM
Q4 25
$307.7M
$-54.9M
Q3 25
$300.5M
$-92.6M
Q2 25
$297.2M
$-115.5M
Q1 25
$298.8M
$-135.6M
Q4 24
$295.8M
$-120.0M
Q3 24
$288.9M
$-135.6M
Q2 24
$284.0M
$-128.1M
Q1 24
$277.9M
$-106.3M
Total Assets
FSBW
FSBW
SRFM
SRFM
Q4 25
$3.2B
$131.7M
Q3 25
$3.2B
$106.8M
Q2 25
$3.2B
$129.0M
Q1 25
$3.1B
$105.3M
Q4 24
$3.0B
$124.1M
Q3 24
$3.0B
$97.9M
Q2 24
$2.9B
$105.5M
Q1 24
$3.0B
$108.8M

Cash Flow & Capital Efficiency

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

Metric
FSBW
FSBW
SRFM
SRFM
Operating Cash FlowLast quarter
$72.3M
$-18.4M
Free Cash FlowOCF − Capex
$51.9M
$-20.1M
FCF MarginFCF / Revenue
129.8%
-76.0%
Capex IntensityCapex / Revenue
50.9%
6.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$107.2M
$-70.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSBW
FSBW
SRFM
SRFM
Q4 25
$72.3M
$-18.4M
Q3 25
$44.6M
$-19.3M
Q2 25
$7.1M
$-10.6M
Q1 25
$8.2M
$-15.8M
Q4 24
$50.8M
$-23.6M
Q3 24
$-891.0K
$-12.3M
Q2 24
$9.9M
$-5.6M
Q1 24
$275.0K
$-12.8M
Free Cash Flow
FSBW
FSBW
SRFM
SRFM
Q4 25
$51.9M
$-20.1M
Q3 25
$41.6M
$-21.1M
Q2 25
$5.9M
$-11.9M
Q1 25
$7.8M
$-17.1M
Q4 24
$49.2M
$-32.7M
Q3 24
$-1.5M
$-13.6M
Q2 24
$9.6M
$-6.3M
Q1 24
$-82.0K
$-13.5M
FCF Margin
FSBW
FSBW
SRFM
SRFM
Q4 25
129.8%
-76.0%
Q3 25
105.9%
-72.2%
Q2 25
15.7%
-43.2%
Q1 25
21.7%
-72.6%
Q4 24
137.7%
-116.5%
Q3 24
-4.1%
-47.8%
Q2 24
26.6%
-19.5%
Q1 24
-0.2%
-44.2%
Capex Intensity
FSBW
FSBW
SRFM
SRFM
Q4 25
50.9%
6.5%
Q3 25
7.7%
5.9%
Q2 25
3.5%
4.4%
Q1 25
1.0%
5.4%
Q4 24
4.6%
32.4%
Q3 24
1.7%
4.4%
Q2 24
0.8%
2.2%
Q1 24
1.0%
2.3%
Cash Conversion
FSBW
FSBW
SRFM
SRFM
Q4 25
Q3 25
4.86×
Q2 25
0.92×
Q1 25
1.02×
Q4 24
-18.64×
Q3 24
-0.09×
Q2 24
1.11×
Q1 24
0.03×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FSBW
FSBW

Segment breakdown not available.

SRFM
SRFM

Scheduled$17.2M65%
On Demand$9.2M35%

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