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Amphastar Pharmaceuticals Inc stock is traded at $25.50, with a volume of 41,879. It is down -0.01% in the last 24 hours and up +3.58% over the past month. Amphastar Pharmaceuticals Inc is a bio-pharmaceutical company focusing on developing, manufacturing, marketing, and selling technically challenging generic and proprietary injectable, inhalation, and intranasal products, as well as insulin active pharmaceutical ingredient, or 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 one reportable segment pharmaceutical 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:
$25.38
Open:
$25.39
24h Volume:
41,879
Relative Volume:
0.07
Market Cap:
$1.20B
Revenue:
$723.55M
Net Income/Loss:
$157.72M
P/E Ratio:
8.50
EPS:
3
Net Cash Flow:
$170.15M
1W Performance:
-0.60%
1M Performance:
+3.58%
6M Performance:
-43.51%
1Y Performance:
-39.94%
1-Day Range:
Value
$25.13
$25.50
1-Week Range:
Value
$25.12
$26.05
52-Week Range:
Value
$22.64
$53.95

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
2,028
Name
Twitter
Name
Next Earnings Date
2024-12-06
Name
Latest SEC Filings
Name
AMPH's Discussions on Twitter

Compare AMPH with other stocks

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Drug Manufacturers - Specialty & Generic icon
AMPH
Amphastar Pharmaceuticals Inc
25.50 1.20B 723.55M 157.72M 170.15M 3.00
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HLN
Haleon Plc Adr
11.18 50.54B 14.35B 1.85B 0 0.4023
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ZTS
Zoetis Inc
170.89 74.02B 9.29B 2.52B 2.28B 5.57
Drug Manufacturers - Specialty & Generic icon
RDHL
Redhill Biopharma Ltd Adr
1.8368 4.22M 35.75M 11.57M -26.25M -3.8069
Drug Manufacturers - Specialty & Generic icon
TAK
Takeda Pharmaceutical Co Adr
14.96 45.82B 30.08B 710.16M 4.45B 0.2182
Drug Manufacturers - Specialty & Generic icon
TEVA
Teva Pharmaceutical Industries Ltd Adr
17.15 20.31B 16.54B -1.64B 749.00M -1.45

Amphastar Pharmaceuticals Inc Stock (AMPH) Upgrades & Downgrades

Date Action Analyst Rating Change
May-12-25 Downgrade JP Morgan Overweight → Neutral
Feb-04-25 Downgrade Piper Sandler Overweight → Neutral
Nov-22-24 Initiated Wells Fargo Equal Weight
Mar-05-24 Initiated JP Morgan Overweight
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

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04:07 AM

Squarepoint Ops LLC Buys 11,929 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

04:07 AM
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04:07 AM

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Short Interest Up 24.9% in May - MarketBeat

04:07 AM
pulisher
Jun 02, 2025

Nuveen Asset Management LLC Has $3.55 Million Stock Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

Jun 02, 2025
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Jun 01, 2025

Amphastar price target lowered to $35 from $40 at Wells Fargo - MSN

Jun 01, 2025
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May 31, 2025

Two Sigma Advisers LP Sells 12,400 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

May 31, 2025
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May 31, 2025

(AMPH) Pivots Trading Plans and Risk Controls - news.stocktradersdaily.com

May 31, 2025
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May 31, 2025

Man Group plc Buys New Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

May 31, 2025
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May 31, 2025

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Acquired by Voloridge Investment Management LLC - MarketBeat

May 31, 2025
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May 30, 2025

Deutsche Bank AG Buys 10,839 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

May 30, 2025
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May 29, 2025

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Sold by Point72 Asset Management L.P. - MarketBeat

May 29, 2025
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May 27, 2025

Evolent Health, Amphastar Pharmaceuticals, Iridium, and Magnite Stocks Trade Up, What You Need To Know - Yahoo Finance

May 27, 2025
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May 27, 2025

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Acquires 792 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

May 27, 2025
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May 27, 2025

Twinbeech Capital LP Invests $1.74 Million in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

May 27, 2025
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May 26, 2025

Deutsche Bank AG Has $1.27 Million Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

May 26, 2025
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May 25, 2025

Ameriprise Financial Inc. Grows Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

May 25, 2025
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May 25, 2025

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Sold by BNP Paribas Financial Markets - MarketBeat

May 25, 2025
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May 23, 2025

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Bought by Janus Henderson Group PLC - MarketBeat

May 23, 2025
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May 23, 2025

D. E. Shaw & Co. Inc. Boosts Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

May 23, 2025
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May 22, 2025

Systematic Financial Management LP Makes New $9.15 Million Investment in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

May 22, 2025
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May 22, 2025

Generic Pharmaceuticals Stocks Q1 In Review: Amphastar Pharmaceuticals (NASDAQ:AMPH) Vs Peers - FinancialContent

May 22, 2025
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May 22, 2025

Amphastar Pharmaceuticals to Present at the Jefferies Global Healthcare Conference - ACCESS Newswire

May 22, 2025
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May 22, 2025

Amphastar CFO to Lead Fireside Chat at Jefferies Global Healthcare Conference June 5 - Stock Titan

May 22, 2025
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May 20, 2025

When the Price of (AMPH) Talks, People Listen - news.stocktradersdaily.com

May 20, 2025
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May 20, 2025

BNP Paribas Financial Markets Sells 57,502 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

May 20, 2025
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May 18, 2025

Northern Trust Corp Acquires 29,808 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

May 18, 2025
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May 18, 2025

Jane Street Group LLC Raises Holdings in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

May 18, 2025
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May 18, 2025

Amphastar Pharmaceuticals' (AMPH) "Neutral" Rating Reaffirmed at JPMorgan Chase & Co. - MarketBeat

May 18, 2025
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May 16, 2025

Comerica Bank Cuts Stock Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

May 16, 2025
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May 15, 2025

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Sold by The Manufacturers Life Insurance Company - Defense World

May 15, 2025
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May 13, 2025

Amphastar Pharmaceuticals (NASDAQ:AMPH) Given “Neutral” Rating at JPMorgan Chase & Co. - Defense World

May 13, 2025
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May 12, 2025

Amphastar outlines key launches and product growth drivers for 2025 - MSN

May 12, 2025
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May 12, 2025

Amphastar Pharma (AMPH) Downgraded by JP Morgan with Revised Pri - GuruFocus

May 12, 2025
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May 12, 2025

This Target Analyst Turns Bearish; Here Are Top 5 Downgrades For Monday - Benzinga

May 12, 2025
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May 12, 2025

Amphastar stock rating cut to Neutral by JPMorgan - Investing.com Canada

May 12, 2025
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May 12, 2025

JPMorgan Downgrades Amphastar Pharmaceuticals to Neutral From Overweight, Adjusts Price Target to $30 From $45 - marketscreener.com

May 12, 2025
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May 12, 2025

Amphastar (AMPH) Faces Downgrade Amid Pipeline Challenges | AMPH Stock News - GuruFocus

May 12, 2025
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May 12, 2025

Amphastar Pharmaceuticals, Comstock, Range Resources - TradingView

May 12, 2025
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May 11, 2025

Amphastar Pharmaceuticals: Navigating Through An Inflection Year (NASDAQ:AMPH) - Seeking Alpha

May 11, 2025
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May 10, 2025

Trend Tracker for (AMPH) - news.stocktradersdaily.com

May 10, 2025
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May 10, 2025

Wells Fargo & Company Lowers Amphastar Pharmaceuticals (NASDAQ:AMPH) Price Target to $35.00 - Defense World

May 10, 2025
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May 09, 2025

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

May 09, 2025
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May 09, 2025

U.S. Naloxone Market to Witness Remarkable Growth with Amphastar Pharmaceuticals Inc., Emergent BioSolutions Inc. - openPR.com

May 09, 2025

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
Petersen Floyd F.
Director
May 01 '25
Sale
24.08
500
12,041
73,409
$8.425
price down icon 3.28%
drug_manufacturers_specialty_generic RDY
$14.62
price down icon 0.81%
$124.86
price down icon 0.01%
drug_manufacturers_specialty_generic HCM
$14.21
price up icon 2.99%
$324.39
price down icon 0.70%
$17.04
price down icon 0.58%
Cap:     |  Volume (24h):