51.56
price up icon1.92%   0.97
after-market After Hours: 51.56
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Amphastar Pharmaceuticals Inc stock is traded at $51.56, with a volume of 194.66K. It is up +1.92% in the last 24 hours and up +10.36% over the past month. Amphastar Pharmaceuticals Inc is a biopharmaceutical company that focuses on developing, manufacturing, marketing, and selling technically challenging generic and proprietary injectable, inhalation, and intranasal products. Additionally, the company sells insulin API products. The company's finished products are used in hospital or urgent care clinical settings and are contracted and distributed through group purchasing organizations and drug wholesalers. The company has two reportable segments finished pharmaceutical products and API products. Geographically the business presence of the firm is seen in the United States, China and France of which the U.S. accounts for the majority of the revenue.
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Previous Close:
$50.59
Open:
$50.59
24h Volume:
194.66K
Relative Volume:
0.59
Market Cap:
$2.50B
Revenue:
$712.89M
Net Income/Loss:
$166.52M
P/E Ratio:
26.44
EPS:
1.95
Net Cash Flow:
$178.13M
1W Performance:
+0.80%
1M Performance:
+10.36%
6M Performance:
+21.43%
1Y Performance:
+10.67%
1-Day Range:
Value
$50.33
$51.72
1-Week Range:
Value
$50.04
$51.72
52-Week Range:
Value
$36.56
$65.92

Amphastar Pharmaceuticals Inc Stock (AMPH) Company Profile

Name
Name
Amphastar Pharmaceuticals Inc
Name
Phone
909-980-9484
Name
Address
11570 SIXTH STREET, RANCHO CUCAMONGA, CA
Name
Employee
1,761
Name
Twitter
Name
Next Earnings Date
2024-11-06
Name
Latest SEC Filings
Name
AMPH's Discussions on Twitter

Amphastar Pharmaceuticals Inc Stock (AMPH) Upgrades & Downgrades

Date Action Analyst Rating Change
Nov-17-23 Initiated BofA Securities Neutral
Jul-25-23 Resumed Jefferies Buy
Oct-21-22 Resumed Jefferies Buy
Jul-29-22 Initiated CapitalOne Overweight
Jan-07-22 Upgrade Piper Sandler Neutral → Overweight
Jan-08-21 Downgrade Wells Fargo Overweight → Equal Weight
Oct-05-20 Upgrade Northland Capital Market Perform → Outperform
May-01-20 Initiated Northland Capital Outperform
Mar-13-19 Downgrade Needham Buy → Hold
Mar-13-19 Downgrade Piper Jaffray Overweight → Neutral
Aug-10-18 Reiterated Needham Buy
Mar-13-18 Reiterated Needham Buy
Dec-01-17 Reiterated Needham Buy
Nov-09-17 Downgrade Raymond James Outperform → Mkt Perform
Sep-27-17 Reiterated Needham Buy
Mar-14-17 Downgrade Raymond James Strong Buy → Outperform
Aug-09-16 Reiterated Needham Buy
May-10-16 Reiterated Needham Buy
Feb-19-16 Initiated Wells Fargo Outperform
Jun-19-15 Reiterated Needham Buy
Jun-03-15 Initiated Raymond James Strong Buy
Jul-21-14 Initiated Needham Buy
View All

Amphastar Pharmaceuticals Inc Stock (AMPH) Latest News

pulisher
08:26 AM

Amphastar Pharmaceuticals Inc (AMPH) Q3 2024 Earnings Report Pre - GuruFocus.com

08:26 AM
pulisher
05:22 AM

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Bought by Mirae Asset Global Investments Co. Ltd. - Defense World

05:22 AM
pulisher
Nov 03, 2024

Amphastar Pharmaceuticals (NASDAQ:AMPH) Rating Lowered to “Hold” at StockNews.com - Defense World

Nov 03, 2024
pulisher
Nov 02, 2024

Amphastar Pharmaceuticals (NASDAQ:AMPH) Downgraded to Hold Rating by StockNews.com - MarketBeat

Nov 02, 2024
pulisher
Nov 01, 2024

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Purchased by Raymond James & Associates - Defense World

Nov 01, 2024
pulisher
Nov 01, 2024

Allspring Global Investments Holdings LLC Trims Stock Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Nov 01, 2024
pulisher
Oct 31, 2024

International Assets Investment Management LLC Buys Shares of 22,809 Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

Oct 31, 2024
pulisher
Oct 30, 2024

Trend Tracker for (AMPH) - Stock Traders Daily

Oct 30, 2024
pulisher
Oct 30, 2024

Amphastar Pharmaceuticals (AMPH) Set to Announce Quarterly Earnings on Wednesday - MarketBeat

Oct 30, 2024
pulisher
Oct 30, 2024

Amphastar Pharmaceuticals (AMPH) Expected to Beat Earnings Estimates: Should You Buy? - Yahoo Finance

Oct 30, 2024
pulisher
Oct 29, 2024

Amphastar Pharmaceuticals to Release Third Quarter Earnings and Hold Conference Call on November 6, 2024 - AccessWire

Oct 29, 2024
pulisher
Oct 29, 2024

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Sold by Assenagon Asset Management S.A. - MarketBeat

Oct 29, 2024
pulisher
Oct 27, 2024

Boston Trust Walden Corp Purchases Shares of 539,639 Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

Oct 27, 2024
pulisher
Oct 25, 2024

Are Investors Undervaluing Amphastar Pharmaceuticals (AMPH) Right Now? - Yahoo Finance

Oct 25, 2024
pulisher
Oct 25, 2024

Amphastar: Objectively Undervalued But For Good Reason (Rating Downgrade) (AMPH) - Seeking Alpha

Oct 25, 2024
pulisher
Oct 24, 2024

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Bought by Moody Aldrich Partners LLC - MarketBeat

Oct 24, 2024
pulisher
Oct 22, 2024

Possible Bearish Signals With Amphastar Pharmaceuticals Insiders Disposing Stock - Simply Wall St

Oct 22, 2024
pulisher
Oct 21, 2024

nVerses Capital LLC Buys 400 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Oct 21, 2024
pulisher
Oct 20, 2024

Will Amphastar (AMPH) Beat Estimates Again in Its Next Earnings Report? - MSN

Oct 20, 2024
pulisher
Oct 19, 2024

(AMPH) Investment Report - Stock Traders Daily

Oct 19, 2024
pulisher
Oct 19, 2024

GAMMA Investing LLC Increases Stake in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Oct 19, 2024
pulisher
Oct 18, 2024

Amphastar Pharmaceuticals (NASDAQ:AMPH) Upgraded to Buy by StockNews.com - MarketBeat

Oct 18, 2024
pulisher
Oct 18, 2024

Amphastar Pharmaceuticals (NASDAQ:AMPH) Upgraded by StockNews.com to “Buy” - Defense World

Oct 18, 2024
pulisher
Oct 17, 2024

Amphastar Pharm Shows Rising Relative Strength; Still Shy Of Key Benchmark - MSN

Oct 17, 2024
pulisher
Oct 16, 2024

Amphastar Pharmaceuticals, Inc.'s (NASDAQ:AMPH) Stock Is Going Strong: Is the Market Following Fundamentals? - Yahoo Finance

Oct 16, 2024
pulisher
Oct 16, 2024

Short Interest in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Rises By 5.3% - MarketBeat

Oct 16, 2024
pulisher
Oct 16, 2024

Truist Financial Corp Trims Stake in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Oct 16, 2024
pulisher
Oct 15, 2024

Amphastar Casts Wide Net, Hauls In Profits, Gets Rating Upgrade - MSN

Oct 15, 2024
pulisher
Oct 14, 2024

Epinephrine Injection Market 2034 | Key Brands -Mylan Inc, Impax, ALK Abello, Lincoln Medical Ltd, Pfizer, Amphastar, Em – IndiaPolitics.com - IndiaPolitics.com

Oct 14, 2024
pulisher
Oct 14, 2024

The Manufacturers Life Insurance Company Purchases 954 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Oct 14, 2024
pulisher
Oct 12, 2024

Amphastar Pharmaceuticals (NASDAQ:AMPH) Rating Lowered to Hold at StockNews.com - Defense World

Oct 12, 2024
pulisher
Oct 11, 2024

Is Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) The Top Stock With Improving Technical Ratings According To Piper Sandler? - Insider Monkey

Oct 11, 2024
pulisher
Oct 10, 2024

StockNews.com Lowers Amphastar Pharmaceuticals (NASDAQ:AMPH) to Hold - MarketBeat

Oct 10, 2024
pulisher
Oct 09, 2024

SG Americas Securities LLC Makes New Investment in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

Oct 09, 2024
pulisher
Oct 09, 2024

When the Price of (AMPH) Talks, People Listen - Stock Traders Daily

Oct 09, 2024
pulisher
Oct 08, 2024

Sei Investments Co. Sells 4,087 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Oct 08, 2024
pulisher
Oct 04, 2024

Hsbc Holdings PLC Sells 711 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Oct 04, 2024
pulisher
Oct 04, 2024

Amphastar Pharmaceuticals' (NASDAQ:AMPH) underlying earnings growth outpaced the solid return generated for shareholders over the past three years - Simply Wall St

Oct 04, 2024
pulisher
Oct 04, 2024

Implied Volatility Surging for Amphastar Pharmaceuticals (AMPH) Stock Options - MSN

Oct 04, 2024
pulisher
Oct 03, 2024

Point72 DIFC Ltd Sells 8,406 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Oct 03, 2024
pulisher
Oct 03, 2024

Millennium Management LLC Buys 338,653 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Oct 03, 2024
pulisher
Oct 03, 2024

Millennium Management LLC Boosts Stock Holdings in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

Oct 03, 2024
pulisher
Oct 03, 2024

ProShare Advisors LLC Sells 2,133 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Oct 03, 2024
pulisher
Oct 02, 2024

Amphastar Pharmaceuticals (NASDAQ:AMPH) Shares Down 3.6% - MarketBeat

Oct 02, 2024
pulisher
Oct 02, 2024

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Stake Boosted by Squarepoint Ops LLC - Defense World

Oct 02, 2024
pulisher
Oct 02, 2024

Point72 Asia Singapore Pte. Ltd. Sells 3,756 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Oct 02, 2024
pulisher
Oct 01, 2024

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Sold by Dimensional Fund Advisors LP - Defense World

Oct 01, 2024
pulisher
Oct 01, 2024

Point72 Asset Management L.P. Lowers Stock Holdings in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Oct 01, 2024
pulisher
Oct 01, 2024

Aurora Investment Counsel Takes Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Oct 01, 2024
pulisher
Oct 01, 2024

Dimensional Fund Advisors LP Reduces Stock Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

Oct 01, 2024
pulisher
Oct 01, 2024

Marshall Wace LLP Buys Shares of 227,127 Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Oct 01, 2024

Amphastar Pharmaceuticals Inc Stock (AMPH) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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Amphastar Pharmaceuticals Inc Stock (AMPH) Insider Trading

Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total
Zhou Rong
SENIOR EVP, PRODUCTION CENTER
Sep 13 '24
Sale
48.26
3,000
144,784
118,388
Zhang Jack Y.
CEO & CHIEF SCIENTIFIC OFFICER
Sep 13 '24
Option Exercise
14.69
100,000
1,469,000
2,633,554
Petersen Floyd F.
Director
Sep 05 '24
Sale
46.47
3,000
139,417
75,409
$12.67
price up icon 0.88%
$114.96
price down icon 0.42%
$89.24
price up icon 3.56%
$58.48
price down icon 0.36%
$121.53
price up icon 0.83%
$11.61
price up icon 1.40%
Cap:     |  Volume (24h):