Flagship explainer

How CASTELLUM, INC. makes its money

Start with a dollar of revenue and follow what the filing says remains.

revenueBranching filed flows with values and percentages directly labeled. Missing filing concepts are omitted rather than estimated.Revenue$52.9M · 100%Cost of revenue$33.5M · 63%Gross profit$19.4M · 37%Operating income−$2.8M · −5%Income before tax−$2.2M · −4%Income tax$207980 · 0%Net income−$2.4M · −5%As of 2025-12-31 · 1 SEC filing sourceBuy Like Buffett · buylikebuffett.com

Honest partial: the filing did not provide a normalized tag for Research and development, Selling, general and administrative; those components are omitted, not plugged.

Table alternative
Filed lineValue% of revenueSource
$52.9M100%
Cost of revenue$33.5M63%
$19.4M37%
−$2.8M−5%
Income before tax−$2.2M−4%
Income tax$2079800%
−$2.4M−5%
Source: · event Dec 31, 2025 · retrieved Jul 26, 2026 · annual-row source set
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