Flagship explainer

What drives Amphastar Pharmaceuticals, Inc.’s return on equity?

ROE is five filed business factors multiplied together.

DuPont return on equity factor treeReturn on equity branches into tax burden, interest burden, operating margin, asset turnover, and the equity multiplier.Return on equity13%Tax burden79%net income ÷ pretax incomeInterest burden88%pretax ÷ operating incomeOperating margin20%operating income ÷ revenueAsset turnover0.45×revenue ÷ average assetsEquity multiplier2.11×average assets ÷ average equityAs of 2025-12-31 · 3 SEC filing sourcesBuy Like Buffett · buylikebuffett.com
DuPont source inputs
InputValueFiscal yearSource
$98.1MFY2025
Income before tax$124MFY2025
Operating income$140MFY2025
$720MFY2025
Ending assets$1.6BFY2025
Beginning assets$1.6BFY2024
$789MFY2025
$732MFY2024
Source: · event Dec 31, 2025 · retrieved Jul 26, 2026 · annual-row source set
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