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Amphastar Pharmaceuticals Inc stock is traded at $25.27, with a volume of 258.88K. It is down -0.16% in the last 24 hours and down -5.57% 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:
$25.30
Open:
$25.2
24h Volume:
258.88K
Relative Volume:
0.54
Market Cap:
$1.17B
Revenue:
$722.68M
Net Income/Loss:
$134.71M
P/E Ratio:
9.4644
EPS:
2.67
Net Cash Flow:
$109.94M
1W Performance:
+4.47%
1M Performance:
-5.57%
6M Performance:
+3.10%
1Y Performance:
-50.07%
1-Day Range:
Value
$24.93
$25.40
1-Week Range:
Value
$23.90
$25.85
52-Week Range:
Value
$20.39
$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
25.27 1.18B 722.68M 134.71M 109.94M 2.67
Drug Manufacturers - Specialty & Generic icon
ZTS
Zoetis Inc
125.34 63.97B 9.39B 2.62B 2.22B 5.8121
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TAK
Takeda Pharmaceutical Co Adr
13.55 42.40B 29.96B 957.25M 4.77B 0.2956
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HLN
Haleon Plc Adr
9.31 41.77B 14.26B 1.98B 2.47B 0.4327
Drug Manufacturers - Specialty & Generic icon
TEVA
Teva Pharmaceutical Industries Ltd Adr
20.34 23.54B 16.70B -157.13M 1.19B -0.1446
Drug Manufacturers - Specialty & Generic icon
UTHR
United Therapeutics Corp
436.34 18.89B 3.08B 1.24B 1.07B 25.61

Amphastar Pharmaceuticals Inc Stock (AMPH) Upgrades & Downgrades

Date Action Analyst Rating Change
Aug-12-25 Upgrade Needham Hold → Buy
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
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Amphastar Pharmaceuticals Inc Stock (AMPH) Latest News

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03:36 AM
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Nov 03, 2025

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Nov 03, 2025
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Nov 03, 2025
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Nov 03, 2025
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Nov 03, 2025
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Nov 02, 2025
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Nov 02, 2025
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Key metrics from Amphastar Pharmaceuticals Inc.’s quarterly dataJuly 2025 PostEarnings & Free AI Powered Buy and Sell Recommendations - newser.com

Nov 02, 2025
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Nov 01, 2025

Should you wait for a breakout in Amphastar Pharmaceuticals Inc.July 2025 Catalysts & Risk Controlled Stock Pick Alerts - newser.com

Nov 01, 2025
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Nov 01, 2025
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Oct 31, 2025

Amphastar Pharmaceuticals, Inc. (AMPH) Analyst insights, Price targets and Recommendations - Yahoo! Finance UK

Oct 31, 2025
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Oct 31, 2025

Amphastar Pharmaceuticals, Inc. (AMPH) stock forecast and price target - Yahoo! Finance UK

Oct 31, 2025
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Oct 31, 2025
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Why Amphastar Pharmaceuticals Inc. (29A) stock could be next leaderQuarterly Profit Review & Proven Capital Preservation Tips - newser.com

Oct 31, 2025
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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
Oct 01 '25
Sale
27.20
500
13,602
76,031
$44.48
price up icon 0.27%
$22.66
price down icon 0.63%
drug_manufacturers_specialty_generic RDY
$13.49
price up icon 0.52%
$10.51
price down icon 0.28%
$141.36
price down icon 0.34%
$436.28
price down icon 0.52%
Cap:     |  Volume (24h):