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How Koss Corporation 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$13M · 100%Cost of revenue$7.6M · 58%Gross profit$5.5M · 42%Operating income−$1.5M · −12%Income before tax−$380572 · −3%Income tax$10892 · 0%Net income−$391464 · −3%As of 2026-06-30 · 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
$13M100%
Cost of revenue$7.6M58%
$5.5M42%
−$1.5M−12%
Income before tax−$380572−3%
Income tax$108920%
−$391464−3%
Source: · event Jun 30, 2026 · retrieved Oct 16, 2026 · annual-row source set
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