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Side-by-side financial comparison of Castellum, Inc. (CTM) and 1stdibs.com, Inc. (DIBS). Click either name above to swap in a different company.

1stdibs.com, Inc. is the larger business by last-quarter revenue ($22.4M vs $12.6M, roughly 1.8× Castellum, Inc.). 1stdibs.com, Inc. runs the higher net margin — -9.7% vs -10.5%, a 0.8% gap on every dollar of revenue. On growth, Castellum, Inc. posted the faster year-over-year revenue change (21.9% vs -0.7%). Over the past eight quarters, Castellum, Inc.'s revenue compounded faster (5.3% CAGR vs 0.3%).

Castellum, Inc. is a U.S.-based cybersecurity and information technology services provider. It caters to government defense agencies, public sector entities, and commercial enterprise clients, offering threat detection, data protection, cloud security, and managed IT solutions to help organizations mitigate cyber risks and safeguard critical digital infrastructure.

1stdibs.com, Inc. is an American e-commerce company. It has an online marketplace, which sells luxury items such as high-end furniture for interior design, fine art and jewelry. The company has been recognized for "pushing the antiques business into the 21st century." Originally, founded in Paris, it is headquartered in New York City.

CTM vs DIBS — Head-to-Head

Bigger by revenue
DIBS
DIBS
1.8× larger
DIBS
$22.4M
$12.6M
CTM
Growing faster (revenue YoY)
CTM
CTM
+22.6% gap
CTM
21.9%
-0.7%
DIBS
Higher net margin
DIBS
DIBS
0.8% more per $
DIBS
-9.7%
-10.5%
CTM
Faster 2-yr revenue CAGR
CTM
CTM
Annualised
CTM
5.3%
0.3%
DIBS

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CTM
CTM
DIBS
DIBS
Revenue
$12.6M
$22.4M
Net Profit
$-1.3M
$-2.2M
Gross Margin
33.9%
74.4%
Operating Margin
-11.1%
10.7%
Net Margin
-10.5%
-9.7%
Revenue YoY
21.9%
-0.7%
Net Profit YoY
51.8%
54.8%
EPS (diluted)
$-0.02
$-0.06

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
CTM
CTM
DIBS
DIBS
Q1 26
$22.4M
Q4 25
$12.6M
$23.0M
Q3 25
$14.6M
$22.0M
Q2 25
$14.0M
$22.1M
Q1 25
$11.7M
$22.5M
Q4 24
$10.3M
$22.8M
Q3 24
$11.6M
$21.2M
Q2 24
$11.5M
$22.2M
Net Profit
CTM
CTM
DIBS
DIBS
Q1 26
$-2.2M
Q4 25
$-1.3M
$-1.0M
Q3 25
$415.4K
$-3.5M
Q2 25
$-322.1K
$-4.3M
Q1 25
$-1.2M
$-4.8M
Q4 24
$-2.7M
$-5.2M
Q3 24
$-1.3M
$-5.7M
Q2 24
$-1.8M
$-4.4M
Gross Margin
CTM
CTM
DIBS
DIBS
Q1 26
74.4%
Q4 25
33.9%
73.5%
Q3 25
37.6%
74.3%
Q2 25
36.1%
71.8%
Q1 25
39.0%
72.4%
Q4 24
40.0%
72.3%
Q3 24
42.7%
71.0%
Q2 24
40.6%
71.7%
Operating Margin
CTM
CTM
DIBS
DIBS
Q1 26
10.7%
Q4 25
-11.1%
-10.1%
Q3 25
3.0%
-21.3%
Q2 25
-2.7%
-25.8%
Q1 25
-12.7%
-27.7%
Q4 24
-15.7%
-30.6%
Q3 24
-11.9%
-34.9%
Q2 24
-13.6%
-29.2%
Net Margin
CTM
CTM
DIBS
DIBS
Q1 26
-9.7%
Q4 25
-10.5%
-4.5%
Q3 25
2.8%
-16.0%
Q2 25
-2.3%
-19.5%
Q1 25
-10.0%
-21.3%
Q4 24
-26.6%
-22.9%
Q3 24
-11.0%
-26.8%
Q2 24
-16.0%
-20.0%
EPS (diluted)
CTM
CTM
DIBS
DIBS
Q1 26
$-0.06
Q4 25
$-0.02
$-0.02
Q3 25
$0.00
$-0.10
Q2 25
$0.00
$-0.12
Q1 25
$-0.01
$-0.14
Q4 24
$-0.05
$-0.14
Q3 24
$-0.02
$-0.15
Q2 24
$-0.03
$-0.12

Balance Sheet & Financial Strength

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

Metric
CTM
CTM
DIBS
DIBS
Cash + ST InvestmentsLiquidity on hand
$85.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$35.8M
$84.0M
Total Assets
$41.9M
$121.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTM
CTM
DIBS
DIBS
Q1 26
$85.3M
Q4 25
$22.9M
Q3 25
$19.9M
Q2 25
$22.4M
Q1 25
$20.3M
Q4 24
$26.0M
Q3 24
$22.0M
Q2 24
$23.8M
Total Debt
CTM
CTM
DIBS
DIBS
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$8.0M
Q3 24
$8.3M
Q2 24
$8.7M
Stockholders' Equity
CTM
CTM
DIBS
DIBS
Q1 26
$84.0M
Q4 25
$35.8M
$93.6M
Q3 25
$36.7M
$94.0M
Q2 25
$31.8M
$94.9M
Q1 25
$26.1M
$96.2M
Q4 24
$20.2M
$99.3M
Q3 24
$12.0M
$107.2M
Q2 24
$12.1M
$110.4M
Total Assets
CTM
CTM
DIBS
DIBS
Q1 26
$121.8M
Q4 25
$41.9M
$132.1M
Q3 25
$46.3M
$135.2M
Q2 25
$43.4M
$138.6M
Q1 25
$41.1M
$142.5M
Q4 24
$37.8M
$145.8M
Q3 24
$28.8M
$154.4M
Q2 24
$29.5M
$157.6M
Debt / Equity
CTM
CTM
DIBS
DIBS
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
0.40×
Q3 24
0.69×
Q2 24
0.72×

Cash Flow & Capital Efficiency

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

Metric
CTM
CTM
DIBS
DIBS
Operating Cash FlowLast quarter
$-661.7K
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTM
CTM
DIBS
DIBS
Q1 26
Q4 25
$-661.7K
$4.3M
Q3 25
$1.0M
$-1.5M
Q2 25
$214.2K
$-5.1M
Q1 25
$-2.5M
$-96.0K
Q4 24
$-394.4K
$2.8M
Q3 24
$742.2K
$-3.0K
Q2 24
$748.6K
$-2.6M
Free Cash Flow
CTM
CTM
DIBS
DIBS
Q1 26
Q4 25
$3.6M
Q3 25
$957.0K
$-1.5M
Q2 25
$-5.2M
Q1 25
$-143.0K
Q4 24
$1.5M
Q3 24
$738.9K
$-44.0K
Q2 24
$-3.0M
FCF Margin
CTM
CTM
DIBS
DIBS
Q1 26
Q4 25
15.7%
Q3 25
6.5%
-6.8%
Q2 25
-23.4%
Q1 25
-0.6%
Q4 24
6.5%
Q3 24
6.4%
-0.2%
Q2 24
-13.5%
Capex Intensity
CTM
CTM
DIBS
DIBS
Q1 26
Q4 25
2.9%
Q3 25
0.3%
0.1%
Q2 25
0.2%
Q1 25
0.2%
Q4 24
0.0%
5.8%
Q3 24
0.0%
0.2%
Q2 24
0.0%
1.6%
Cash Conversion
CTM
CTM
DIBS
DIBS
Q1 26
Q4 25
Q3 25
2.41×
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24

Financial Flow Comparison

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

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