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NASDAQ:AMPH

Amphastar Pharmaceuticals (AMPH) Stock Price, News & Analysis

Amphastar Pharmaceuticals logo
$19.94 -0.44 (-2.16%)
Closing price 07/31/2026 04:00 PM Eastern
Extended Trading
$19.90 -0.04 (-0.18%)
As of 07/31/2026 07:46 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

About Amphastar Pharmaceuticals Stock (NASDAQ:AMPH)

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Key Stats

Today's Range
$19.67
$20.41
50-Day Range
$18.09
$21.78
52-Week Range
$16.65
$31.26
Volume
367,623 shs
Average Volume
385,438 shs
Market Capitalization
$879.15 million
P/E Ratio
12.01
Dividend Yield
N/A
Price Target
$22.00
Consensus Rating
Reduce

Company Overview

Amphastar Pharmaceuticals, Inc. is a specialty pharmaceutical company headquartered in Rancho Cucamonga, California. Founded in 2004, Amphastar focuses on the development, manufacturing and commercialization of injectable and inhalation products. The company’s manufacturing facilities in California produce both generic and proprietary formulations designed to address urgent and chronic medical conditions.

Amphastar’s portfolio includes a range of injectable generics such as epinephrine, naloxone and lidocaine, serving hospital, emergency medical and retail pharmacy channels. The company also markets proprietary respiratory therapies, including over-the-counter inhaled products. Amphastar leverages its in-house drug delivery technologies to support both its own product lines and contract manufacturing services for third-party partners.

In addition to marketed products, Amphastar maintains a pipeline of new drug candidates and device enhancements, including next-generation inhalation systems and branded formulations. The company’s research and development efforts are centered on improving patient access to essential medications while advancing delivery platforms that enhance convenience and dosing precision.

Amphastar primarily serves the U.S. pharmaceutical market, with select international distribution partnerships. Leadership is anchored by Chief Executive Officer Enno Walther, who oversees strategic growth initiatives and manufacturing operations. The company is governed by a board of directors with experience in pharmaceutical development, regulatory affairs and commercial strategy.

AI Generated. May Contain Errors.

Amphastar Pharmaceuticals Stock Analysis - MarketRank™

See Top-Rated MarketRank™ Stocks
54th Percentile Overall Score

AMPH MarketRank™: 

Amphastar Pharmaceuticals scored higher than 54% of companies evaluated by MarketBeat, and ranked 496th out of 898 stocks in the healthcare sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation.

  • Consensus Rating

    Amphastar Pharmaceuticals has received a consensus rating of Reduce. The company's average rating score is 1.75, and is based on no strong buy ratings, no buy ratings, 6 hold ratings, and 2 sell ratings.

  • Upside Potential

    Amphastar Pharmaceuticals has a consensus price target of $22.00, representing about 10.3% upside from its current price of $19.94.

  • Amount of Analyst Coverage

    Amphastar Pharmaceuticals has been the subject of 7 research reports in the past 90 days, demonstrating strong analyst interest in this stock.

  • Read more about Amphastar Pharmaceuticals' stock forecast and price target.
  • Earnings Growth

    Earnings for Amphastar Pharmaceuticals are expected to grow by 24.00% in the coming year, from $2.25 to $2.79 per share.

  • Price to Earnings Ratio vs. the Market

    The P/E ratio of Amphastar Pharmaceuticals is 12.01, which means that it is trading at a less expensive P/E ratio than the market average P/E ratio of about 40.22.

  • Price to Earnings Ratio vs. Sector

    The P/E ratio of Amphastar Pharmaceuticals is 12.01, which means that it is trading at a less expensive P/E ratio than the Healthcare sector average P/E ratio of about 280.89.

  • Price to Earnings Growth Ratio

    Amphastar Pharmaceuticals has a PEG Ratio of 4.30. PEG Ratios above 1 indicate that a company could be overvalued.

  • Price to Book Value per Share Ratio

    Amphastar Pharmaceuticals has a P/B Ratio of 1.16. P/B Ratios below 3 indicates that a company is reasonably valued with respect to its assets and liabilities.

  • Read more about Amphastar Pharmaceuticals' valuation and earnings.
  • Percentage of Shares Shorted

    13.45% of the float of Amphastar Pharmaceuticals has been sold short.
  • Short Interest Ratio / Days to Cover

    Amphastar Pharmaceuticals has a short interest ratio ("days to cover") of 11.15, which indicates bearish sentiment.
  • Change versus previous month

    Short interest in Amphastar Pharmaceuticals has recently increased by 8.55%, indicating that investor sentiment is decreasing significantly.
  • Dividend Yield

    Amphastar Pharmaceuticals does not currently pay a dividend.

  • Dividend Growth

    Amphastar Pharmaceuticals does not have a long track record of dividend growth.

  • News Sentiment

    Amphastar Pharmaceuticals has a news sentiment score of 0.46. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a lower news sentiment than the 0.88 average news sentiment score of Healthcare companies.
  • News Coverage This Week

    MarketBeat has tracked 6 news articles for Amphastar Pharmaceuticals this week, compared to 4 articles on an average week.
  • Search Interest

    4 people have searched for AMPH on MarketBeat in the last 30 days.
  • Insider Buying vs. Insider Selling

    In the past three months, Amphastar Pharmaceuticals insiders have not sold or bought any company stock.

  • Percentage Held by Insiders

    29.60% of the stock of Amphastar Pharmaceuticals is held by insiders. A high percentage of insider ownership can be a sign of company health.

  • Percentage Held by Institutions

    65.09% of the stock of Amphastar Pharmaceuticals is held by institutions. High institutional ownership can be a signal of strong market trust in this company.

  • Read more about Amphastar Pharmaceuticals' insider trading history.
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AMPH Stock News Headlines

Amphastar Pharmaceuticals (AMPH) to Announce Earnings on Thursday
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See More Headlines

AMPH Stock Analysis - Frequently Asked Questions

Amphastar Pharmaceuticals' stock was trading at $26.78 on January 1st, 2026. Since then, AMPH stock has decreased by 25.5% and is now trading at $19.94.

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) released its quarterly earnings results on Thursday, May, 7th. The company reported $0.42 earnings per share for the quarter, missing the consensus estimate of $0.70 by $0.28. The business earned $171.17 million during the quarter, compared to analysts' expectations of $173.46 million. Amphastar Pharmaceuticals had a trailing twelve-month return on equity of 15.12% and a net margin of 11.00%.
Read the conference call transcript
.

Amphastar Pharmaceuticals (AMPH) raised $88 million in an initial public offering (IPO) on Wednesday, June 25th 2014. The company issued 8,000,000 shares at a price of $10.00-$12.00 per share.

Top institutional shareholders of Amphastar Pharmaceuticals include CX Institutional. Insiders that own company stock include Mary Z Luo, Rong Zhou, William J Peters, Yakob Liawatidewi, Floyd F Petersen, Richard K Prins and Michael A Zasloff.
View institutional ownership trends
.

Shares of AMPH stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services.

Based on aggregate information from My MarketBeat watchlists, some other companies that Amphastar Pharmaceuticals investors own include NVIDIA (NVDA), Broadcom (AVGO), Arista Networks (ANET), Meta Platforms (META), ServiceNow (NOW), Novo Nordisk A/S (NVO) and e.l.f. Beauty (ELF).

Company Calendar

Last Earnings
5/07/2026
Today
8/01/2026
Next Earnings (Estimated)
8/06/2026
Fiscal Year End
12/31/2026

Industry, Sector and Symbol

Stock Exchange
NASDAQ
Industry
Pharmaceuticals
Sub-Industry
Pharmaceuticals
Current Symbol
NASDAQ:AMPH
CIK
1297184
Employees
1,976
Year Founded
1996

Price Target and Rating

High Price Target
$30.00
Low Price Target
$19.00
Potential Upside/Downside
+10.3%
Consensus Rating
Reduce
Rating Score (0-4)
1.75
Research Coverage
8 Analysts

Profitability

EPS (Trailing Twelve Months)
$1.66
Trailing P/E Ratio
12.01
Forward P/E Ratio
8.86
P/E Growth
4.3
Net Income
$98.09 million
Net Margins
11.00%
Pretax Margin
14.27%
Return on Equity
15.12%
Return on Assets
7.14%

Debt

Debt-to-Equity Ratio
0.79
Current Ratio
3.85
Quick Ratio
2.82

Sales & Book Value

Annual Sales
$719.89 million
Price / Sales
1.22
Cash Flow
$4.16 per share
Price / Cash Flow
4.79
Book Value
$17.17 per share
Price / Book
1.16

Miscellaneous

Outstanding Shares
44,090,000
Free Float
31,041,000
Market Cap
$879.15 million
Optionable
Optionable
Beta
0.89

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This page (NASDAQ:AMPH) was last updated on 8/1/2026 by MarketBeat.com Staff.
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