Amphastar Pharmaceuticals, Inc.: stock overview

AMPHNASDAQHealthcare · Pharmaceutical Preparations

Price

$29.37

November 13, 2026Market cap $1.3B

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  • The full history: 14 fiscal years, from 2012
  • The estimated fair value, with its range and its certainty
  • The full analysis, 18 a month
  • More questions to the chat on its filings
  • Excel with every year
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In short

Amphastar Pharmaceuticals had revenue of $746M over the last 12 months and net income of $99M, a net margin of 13.3%. Revenue grew by 15.5% a year on average over the last 5 years. At $29.37 the shares trade at a P/E of 12.7, against a median of 16.1 over the last 5 fiscal years. It has net debt of $382M. It pays no dividend.

From its SEC filings (latest fiscal year to December 31, 2025) and the price of November 13, 2026.

Its SEC filings
Market cap
$1.3B
42.65M shares
P/E
12.7
Today12.7
Median16.1
Revenue, 12 months
$746M
+15.5% a year over 5 years
Net margin
13.3%
2025: 13.6%, above 81% of its industry

Worth knowing

What a holder would want to hear from the company's SEC filings of the last three years. Each with its filing, without comment.

3 fiscal years in figures

Each fiscal year's figures as the company filed them, and the share price at its end.

2023–2025 fiscal years

+5.7% a year over 2 years

  • 202510-K
    Revenue$720M
  • 202410-K
    Revenue$732M
  • 202310-K
    Revenue$644M

Fiscal years in figures

AMPH's revenue, profit, cash flow and dividend with each year-end price, from 2012 to 2022, 11 more fiscal years

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Key figures

The company's current figures in five groups. Each term is explained behind its ⓘ.

Valuation

Market cap 3-year median: $1.8B
$1.3B
Enterprise value 
$1.6B
P/E 3-year median: 13.2
12.7
EV / EBIT 
11.7
EV / Revenue 
2.2
P/B 3-year median: 2.4
1.5
FCF yield 3-year median: 9.7%
11.1%
Earnings yield 3-year median: 7.6%
7.9%

Profitability

Gross margin 
46.8%
Operating margin 
18.7%
Net margin 3-year median: 21.3%
13.3%
ROIC 
7.6%
ROIC, 5-year average 
11.5%
ROE 
12.6%

Growth

Revenue, yearly change 
-1.7%
EPS, yearly change 
-33.7%
FCF, yearly change 
-29.7%
Revenue, average a year 
+15.5%
EPS, average a year 
+132.3%

The yearly change compares FY2025 with FY2024.

Balance sheet

Cash 
$231M
Total debt 
$692M
Of which operating leases 
$79M
Net debt 
$382M
Net debt / EBITDA 
2.2x
Interest cover 
5.3x
Current ratio 
3.32

Balance sheet of September 30, 2026.

Returns to shareholders

Dividend yield 
0.00%
Buybacks 
6.03%
Total returned 
6.03%
Shares, yearly change 
-4.8%
Valuation against its own pastEach fiscal year's P/E, P/FCF and P/B beside today's, and the DCF calculator for the company.Valuation

Against its industry

Where its margins and returns stood in fiscal 2025 among the SEC filers of its industry (SIC code 28).

Gross margin

49.5%

Above 59% of the 141 companies in its industry, and 68% of all.

Operating margin

19.5%

Above 84% of the 285 companies in its industry, and 82% of all.

Net margin

13.6%

Above 81% of the 302 companies in its industry, and 73% of all.

ROE

12.4%

Above 72% of the 267 companies in its industry, and 69% of all.

ROA

6.0%

Above 73% of the 313 companies in its industry, and 76% of all.

Revenue growth

-1.7%

Above 29% of the 292 companies in its industry, and 24% of all.

From the yearly figures every company files with the SEC, for those with revenue of at least $25 million. The industry is the first two digits of the SIC code.

The company at the SEC

How it is registered and when its fiscal year ends.

Name at the SEC
Amphastar Pharmaceuticals, Inc.
CIK
1297184
Exchange
NASDAQ
Industry (SIC)
2834 · Pharmaceutical Preparations
Fiscal year ends
December 31
Latest annual report
December 31, 2025
Reporting currency
USD
Shares
42.65M

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The full analysis

What do Amphastar Pharmaceuticals's filings show?

These are Amphastar Pharmaceuticals's figures. The full Ploutos AI analysis reads everything the company has filed and shows what stands behind it, with a source for every figure.

  • A fair value range built from the filings
  • Earnings quality, debt and red flags
  • Insider and institutional moves
  • The case for and the case against

Questions about AMPH

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What is AMPH's market cap?

Amphastar Pharmaceuticals, Inc.'s market cap is $1.3B, at a price of $29.37 on November 13, 2026 and 42.65M shares.

What is AMPH's P/E?

AMPH's P/E is 12.7, on earnings per share of $2.19 over the last 12 months. The median over the last 5 fiscal years was 16.1.

How much revenue does AMPH have?

Amphastar Pharmaceuticals had revenue of $746M over the last 12 months. Over the last 5 years it changed by +15.5% a year on average.

Does AMPH pay a dividend?

No. Amphastar Pharmaceuticals paid no regular dividend over the last 12 months.

Where do the figures come from?

From Amphastar Pharmaceuticals, Inc.'s SEC filings (10-K and 10-Q) and the share price. They hold no analyst estimates and no score, and they are not a recommendation.

Related pages

The other pages on US stocks, free to read. On the company pages, the last three fiscal years are open to everyone, five with a free account, and every year with Ploutos Investor.

US stocksThe market today, the sectors, the largest companies and the week's results.The market's sectorsThe 11 sectors side by side: returns, share of the market, median P/E and dividend.Compare stocksTwo companies side by side: price over up to ten years, with and without dividends, and every figure.US dividend stocksEach dividend's yield next to whether the company's cash covers it and whether it was ever cut.

The figures come from the company's SEC filings and the share price, and describe what it has reported. They are not a score or a fair value.