vs

Side-by-side financial comparison of Arq, Inc. (ARQ) 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 $29.4M, roughly 1.4× Arq, Inc.). On growth, FS Bancorp, Inc. posted the faster year-over-year revenue change (12.0% vs 8.8%). FS Bancorp, Inc. produced more free cash flow last quarter ($51.9M vs $-3.5M). Over the past eight quarters, Arq, Inc.'s revenue compounded faster (16.4% CAGR vs 6.2%).

Arq, Inc. is a sustainable technology firm focused on processing coal mining waste to produce high-value, low-carbon solid fuels and industrial carbon products. It caters to customers across the energy, construction, and manufacturing sectors, with core markets in North America and major European regions, aiming to cut industrial waste and carbon footprints for its clients.

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.

ARQ vs FSBW — Head-to-Head

Bigger by revenue
FSBW
FSBW
1.4× larger
FSBW
$40.0M
$29.4M
ARQ
Growing faster (revenue YoY)
FSBW
FSBW
+3.2% gap
FSBW
12.0%
8.8%
ARQ
More free cash flow
FSBW
FSBW
$55.5M more FCF
FSBW
$51.9M
$-3.5M
ARQ
Faster 2-yr revenue CAGR
ARQ
ARQ
Annualised
ARQ
16.4%
6.2%
FSBW

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ARQ
ARQ
FSBW
FSBW
Revenue
$29.4M
$40.0M
Net Profit
Gross Margin
13.6%
Operating Margin
-174.1%
25.8%
Net Margin
Revenue YoY
8.8%
12.0%
Net Profit YoY
EPS (diluted)
$-1.20
$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
ARQ
ARQ
FSBW
FSBW
Q4 25
$29.4M
$40.0M
Q3 25
$35.1M
$39.3M
Q2 25
$28.6M
$37.3M
Q1 25
$27.2M
$36.1M
Q4 24
$27.0M
$35.7M
Q3 24
$34.8M
$37.2M
Q2 24
$25.4M
$36.3M
Q1 24
$21.7M
$35.5M
Net Profit
ARQ
ARQ
FSBW
FSBW
Q4 25
Q3 25
$-653.0K
$9.2M
Q2 25
$-2.1M
$7.7M
Q1 25
$203.0K
$8.0M
Q4 24
Q3 24
$1.6M
$10.3M
Q2 24
$-2.0M
$9.0M
Q1 24
$-3.4M
$8.4M
Gross Margin
ARQ
ARQ
FSBW
FSBW
Q4 25
13.6%
Q3 25
28.8%
Q2 25
33.3%
Q1 25
36.4%
Q4 24
36.3%
Q3 24
38.6%
Q2 24
32.2%
Q1 24
36.9%
Operating Margin
ARQ
ARQ
FSBW
FSBW
Q4 25
-174.1%
25.8%
Q3 25
-2.4%
29.5%
Q2 25
-5.4%
26.2%
Q1 25
2.4%
26.2%
Q4 24
1.5%
27.6%
Q3 24
5.8%
26.5%
Q2 24
-5.6%
31.3%
Q1 24
-13.7%
29.7%
Net Margin
ARQ
ARQ
FSBW
FSBW
Q4 25
Q3 25
-1.9%
23.4%
Q2 25
-7.5%
20.7%
Q1 25
0.7%
22.2%
Q4 24
Q3 24
4.7%
27.6%
Q2 24
-7.7%
24.7%
Q1 24
-15.7%
23.7%
EPS (diluted)
ARQ
ARQ
FSBW
FSBW
Q4 25
$-1.20
$1.11
Q3 25
$-0.02
$1.18
Q2 25
$-0.05
$0.99
Q1 25
$0.00
$1.01
Q4 24
$-0.03
$0.88
Q3 24
$0.04
$1.29
Q2 24
$-0.06
$1.13
Q1 24
$-0.09
$1.06

Balance Sheet & Financial Strength

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

Metric
ARQ
ARQ
FSBW
FSBW
Cash + ST InvestmentsLiquidity on hand
$6.6M
$28.2M
Total DebtLower is stronger
$28.7M
Stockholders' EquityBook value
$168.0M
$307.7M
Total Assets
$230.6M
$3.2B
Debt / EquityLower = less leverage
0.17×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ARQ
ARQ
FSBW
FSBW
Q4 25
$6.6M
$28.2M
Q3 25
$7.0M
$61.3M
Q2 25
$7.0M
$33.2M
Q1 25
$6.3M
$62.7M
Q4 24
$13.5M
$31.6M
Q3 24
$48.7M
$40.3M
Q2 24
$28.5M
$33.0M
Q1 24
$35.2M
$45.4M
Total Debt
ARQ
ARQ
FSBW
FSBW
Q4 25
$28.7M
Q3 25
$26.1M
Q2 25
$28.9M
Q1 25
$27.1M
Q4 24
$25.1M
Q3 24
$21.6M
Q2 24
$22.2M
Q1 24
$22.6M
Stockholders' Equity
ARQ
ARQ
FSBW
FSBW
Q4 25
$168.0M
$307.7M
Q3 25
$217.2M
$300.5M
Q2 25
$216.8M
$297.2M
Q1 25
$218.2M
$298.8M
Q4 24
$217.3M
$295.8M
Q3 24
$218.1M
$288.9M
Q2 24
$189.6M
$284.0M
Q1 24
$175.2M
$277.9M
Total Assets
ARQ
ARQ
FSBW
FSBW
Q4 25
$230.6M
$3.2B
Q3 25
$277.9M
$3.2B
Q2 25
$284.5M
$3.2B
Q1 25
$283.7M
$3.1B
Q4 24
$284.4M
$3.0B
Q3 24
$280.0M
$3.0B
Q2 24
$248.6M
$2.9B
Q1 24
$229.8M
$3.0B
Debt / Equity
ARQ
ARQ
FSBW
FSBW
Q4 25
0.17×
Q3 25
0.12×
Q2 25
0.13×
Q1 25
0.12×
Q4 24
0.12×
Q3 24
0.10×
Q2 24
0.12×
Q1 24
0.13×

Cash Flow & Capital Efficiency

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

Metric
ARQ
ARQ
FSBW
FSBW
Operating Cash FlowLast quarter
$-2.8M
$72.3M
Free Cash FlowOCF − Capex
$-3.5M
$51.9M
FCF MarginFCF / Revenue
-12.0%
129.8%
Capex IntensityCapex / Revenue
2.7%
50.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-11.3M
$107.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ARQ
ARQ
FSBW
FSBW
Q4 25
$-2.8M
$72.3M
Q3 25
$5.3M
$44.6M
Q2 25
$527.0K
$7.1M
Q1 25
$-5.8M
$8.2M
Q4 24
$5.2M
$50.8M
Q3 24
$7.7M
$-891.0K
Q2 24
$-3.0M
$9.9M
Q1 24
$526.0K
$275.0K
Free Cash Flow
ARQ
ARQ
FSBW
FSBW
Q4 25
$-3.5M
$51.9M
Q3 25
$3.1M
$41.6M
Q2 25
$-1.4M
$5.9M
Q1 25
$-9.5M
$7.8M
Q4 24
$-37.8M
$49.2M
Q3 24
$-5.8M
$-1.5M
Q2 24
$-22.1M
$9.6M
Q1 24
$-9.1M
$-82.0K
FCF Margin
ARQ
ARQ
FSBW
FSBW
Q4 25
-12.0%
129.8%
Q3 25
8.8%
105.9%
Q2 25
-4.7%
15.7%
Q1 25
-34.9%
21.7%
Q4 24
-139.6%
137.7%
Q3 24
-16.5%
-4.1%
Q2 24
-87.1%
26.6%
Q1 24
-41.7%
-0.2%
Capex Intensity
ARQ
ARQ
FSBW
FSBW
Q4 25
2.7%
50.9%
Q3 25
6.3%
7.7%
Q2 25
6.6%
3.5%
Q1 25
13.6%
1.0%
Q4 24
158.9%
4.6%
Q3 24
38.7%
1.7%
Q2 24
75.5%
0.8%
Q1 24
44.1%
1.0%
Cash Conversion
ARQ
ARQ
FSBW
FSBW
Q4 25
Q3 25
4.86×
Q2 25
0.92×
Q1 25
-28.59×
1.02×
Q4 24
Q3 24
4.76×
-0.09×
Q2 24
1.11×
Q1 24
0.03×

Financial Flow Comparison

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

Related Comparisons