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Amphastar Pharmaceuticals, Inc. (AMPH)

Amphastar Pharmaceuticals, Inc. (AMPH) stock — the fundamentals (P/E, market cap, valuation) and every material event, decoded in plain English.

Amphastar Pharmaceuticals, Inc. (AMPH) stock — financials & valuation

Key numbers for Amphastar Pharmaceuticals, Inc. (AMPH): P/E ratio, market cap, profit margins, returns, and whether the stock looks cheap or expensive versus its own 5-year range.

AllSight quality score: 58/100 — a percentile rank of Amphastar Pharmaceuticals, Inc.’s fundamentals against Manufacturing peers, weakest on financial health. A quality ranking, not a price prediction.

Market cap$1.1B
P / E14.0×
P / S1.5×
EV / EBITDA8.7×
Gross margin47.7%
Operating margin15.7%
Net margin10.8%
Return on equity10.2%
ROIC7.6%
Revenue growth1.0%
Debt / equity0.8×
Dividend yield0.0%

Is Amphastar Pharmaceuticals, Inc. overvalued? P/E looks fair vs its 5-year range; P/S looks undervalued vs its 5-year range; EV/EBITDA looks fair vs its 5-year range; P/B looks undervalued vs its 5-year range.

Independent of the events above — derived from Amphastar Pharmaceuticals, Inc.’s own financial statements and shown as context, never as advice.

Aug 6, 2026Beat
Amphastar beats Q2 EPS estimates as core glucagon and BAQSIMI sales slide
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