Flagship explainer

How FASTLY, 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$624M · 100%Cost of revenue$268M · 43%Gross profit$356M · 57%Operating income−$119M · −19%Income before tax−$119M · −19%Income tax$2.5M · 0%Net income−$122M · −19%As of 2025-12-31 · 2 SEC filing sourcesBuy 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
$624M100%
Cost of revenue$268M43%
$356M57%
−$119M−19%
Income before tax−$119M−19%
Income tax$2.5M0%
−$122M−19%
Source: · event Dec 31, 2025 · retrieved Jul 26, 2026 · annual-row source set
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