SymbolAMPH
NameAMPHASTAR PHARMACEUTICALS, INC.
SectorHEALTH CARE
RegionNorth America
IndustryBiotechnology: Pharmaceutical Preparations
Address11570 6TH STREET, RANCHO CUCAMONGA, California, 91730, United States
Telephone+1 909 980-9484
Fax
Email
Websitehttps://www.amphastar.com
IncorporationUNDEFINED
Incorporated On
Employees
Fiscal Year
Public Since
ExchangesNASDAQ
Auditor
Audit StatusNOT PROVIDED
Reporting Status
CIK
Description

Amphastar Pharmaceuticals Inc is a bio-pharmaceutical company that focuses primarily on developing, manufacturing, marketing, and selling technically-challenging generic and proprietary injectable, inhalation, and intranasal products. Additionally, the company sells insulin API products. The companys 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.

Additional info from NASDAQ:
Amphastar Pharmaceuticals Inc is a bio-pharmaceutical company that focuses primarily on developing, manufacturing, marketing, and selling technically-challenging generic and proprietary injectable, inhalation, and intranasal products. Additionally, the company sells insulin API products. The companys 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.

2026-04-13 17:41

New Form ARS - Amphastar Pharmaceuticals, Inc. <b>Filed:</b> 2026-04-13 <b>AccNo:</b> 0001297184-26-000027 <b>Size:</b> 5 MB

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2026-04-13 17:30

New Form DEFA14A - Amphastar Pharmaceuticals, Inc. <b>Filed:</b> 2026-04-13 <b>AccNo:</b> 0001297184-26-000025 <b>Size:</b> 392 KB

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2026-04-13 17:18

New Form DEF 14A - Amphastar Pharmaceuticals, Inc. <b>Filed:</b> 2026-04-13 <b>AccNo:</b> 0001297184-26-000023 <b>Size:</b> 3 MB

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2026-04-06 10:00

Amphastar Pharmaceuticals to Present at the 25th Annual Needham Healthcare Conference

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2026-03-26 16:46

New Form SCHEDULE 13G/A - Amphastar Pharmaceuticals, Inc. <b>Filed:</b> 2026-03-26 <b>AccNo:</b> 0000102909-26-000687 <b>Size:</b> 7 KB

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2026-03-18 00:17

Liawatidewi Yakob 🔴 sold 1.0K shares of Amphastar Pharmaceuticals, Inc. (AMPH) at $18.18 Transaction Date: Mar 15, 2026 | Filing ID: 000010

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2026-03-17 22:16

Zhou Rong 🔴 sold 1.2K shares of Amphastar Pharmaceuticals, Inc. (AMPH) at $18.18 Transaction Date: Mar 15, 2026 | Filing ID: 000010

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2026-03-17 22:14

PETERS WILLIAM J 🔴 sold 2.0K shares of Amphastar Pharmaceuticals, Inc. (AMPH) at $18.18 Transaction Date: Mar 15, 2026 | Filing ID: 000010

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2026-03-17 22:12

Zhang Jack Y. 🔴 sold 12.7K shares of Amphastar Pharmaceuticals, Inc. (AMPH) at $18.18 Transaction Date: Mar 15, 2026 | Filing ID: 000007

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2026-03-16 10:00

(99% Neutral) AMPHASTAR PHARMACEUTICALS, INC. (AMPH) Announces Update on Collaboration with registered​​​​Common Stock

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Trial ID Title Phase Indication Status Start Date Completion Date Source
NCT05539872 Comparison of the Pharmacokinetics (PK) and Pharmacodynamics (PD) Biosimilarity… Phase2 Pharmacokinetics Completed 2022-08-22 2023-01-30 ClinicalTrials.gov
NCT04207840 Study of Drug Exposure in Systemic Circulation of Primatene Mist by Oral Inhala… Phase4 Pharmacokinetics Completed 2019-12-09 2019-12-23 ClinicalTrials.gov
NCT02271334 Evaluation of Pharmacokinetics and Safety of A006 in Healthy Volunteers Phase2 Asthma Completed 2014-08-01 2015-03-01 ClinicalTrials.gov
NCT02210806 Albuterol DPI (A006) Clinical Study-B3:Efficacy, Dose-ranging and Safety Evalua… Phase2 Asthma Completed 2014-07-01 2014-10-01 ClinicalTrials.gov
NCT01737892 Assessment and Evaluation of Pharmacokinetic Profile of E004 in Healthy Adults Phase1 Asthma Terminated 2012-11-01 2012-11-01 ClinicalTrials.gov
NCT01737905 Evaluation of Efficacy and Safety for Single Dose of E004 in Children With Asth… Phase3 Asthma Completed 2012-10-01 2013-12-01 ClinicalTrials.gov
NCT01476904 Safety Study in Adolescent and Adult Patients With Asthma Phase3 Asthma Completed 2011-11-01 2012-07-01 ClinicalTrials.gov
NCT01460511 Evaluation of Efficacy and Safety of E004 in Children With Asthma Phase3 Asthma Completed 2011-10-01 2012-07-01 ClinicalTrials.gov
NCT01255709 Epinephrine Inhalation Aerosol USP, CLINICAL STUDY-B3 FOR ASSESSMENT OF PHARMAC… Phase2 Asthma Completed 2010-12-01 2011-01-01 ClinicalTrials.gov
NCT01188577 Epinephrine Inhalation Aerosol USP, a HFA-MDI Study for Assessment of Pharmacok… Phase1 Asthma Completed 2010-08-01 2011-01-01 ClinicalTrials.gov
NCT01174732 Dose-Ranging Study of A006 DPI, in Adult Asthma Patients Phase2 Asthma Completed 2010-07-01 2011-01-01 ClinicalTrials.gov
NCT01025648 Randomized, Placebo/Active Crossover Dose-ranging Study for Safety and Efficacy… Phase1 Asthma Terminated 2009-12-01 2009-12-01 ClinicalTrials.gov
NCT00634517 4-Week Study of Efficacy, Safety and PK of Albuterol-HFA Versus Proventil-HFA i… Phase3 Asthma Terminated 2008-03-01 2008-12-01 ClinicalTrials.gov
Total clinical trials: 13
Product Name Type Development Stage Therapeutic Area Study Status Trial ID
NovoLog DRUG Phase PHASE2 Pharmacokinetics COMPLETED NCT05539872
I004 DRUG Phase PHASE2 Pharmacokinetics COMPLETED NCT05539872
Proventil® MDI DRUG Phase PHASE2 Asthma COMPLETED NCT02271334
A006 DPI DRUG Phase PHASE2 Asthma COMPLETED NCT02271334
Epinephrine HFA-MDI (E004) DRUG Phase PHASE3 Asthma COMPLETED NCT01737905
Arm C-Epinephrine Inhalation Aerosol CFC DRUG Phase PHASE1 Asthma TERMINATED NCT01737892
Arm T Epinephrine Inhalation Aerosol HFA, 125 mcg, 1 inhalation DRUG Phase PHASE1 Asthma TERMINATED NCT01737892
Saline DRUG Phase PHASE2 Allergic Skin Reaction COMPLETED NCT01689363
Histamine DRUG Phase PHASE2 Allergic Skin Reaction COMPLETED NCT01689363
Hyaluronidase DRUG Phase PHASE2 Allergic Skin Reaction COMPLETED NCT01689363
Albuterol MDI 90 mcg/inh DRUG Phase PHASE2 Asthma COMPLETED NCT01581177
Albuterol DPI 90 mcg/inh DRUG Phase PHASE2 Asthma COMPLETED NCT01581177
Albuterol DPI 25 mcg/inh DRUG Phase PHASE2 Asthma COMPLETED NCT01581177
Epinephrine inhalation DRUG Phase PHASE3 Asthma COMPLETED NCT01476904
Primatene Mist DRUG Phase PHASE3 Asthma COMPLETED NCT01476904
E004 (Epinephrine Inhalation Aerosol) HFA-MDI DRUG Phase PHASE3 Asthma COMPLETED NCT01460511
Epinephrine inhalation aerosol DRUG Phase PHASE3 Asthma COMPLETED NCT01357642
Arm C: Primatene Mist (epinephrine inhalation aerosol, USP) DRUG Phase PHASE2 Asthma COMPLETED NCT01255709
Arm T2: Primatene Mist HFA DRUG Phase PHASE2 Asthma COMPLETED NCT01255709
Arm T1: Primatene Mist HFA DRUG Phase PHASE2 Asthma COMPLETED NCT01255709
Epinephrine Inhalation Aerosol DRUG Phase PHASE1 Asthma COMPLETED NCT01188577
Epinephrine Inhalation Aerosol, HFA DRUG Phase PHASE1 Asthma COMPLETED NCT01188577
epinephrine inhalation aerosol DRUG Phase PHASE3 Asthma COMPLETED NCT01357642
Proventil-HFA DRUG Phase PHASE2 Asthma COMPLETED NCT01189396
Placebo DPI OTHER Phase PHASE2 Asthma COMPLETED NCT02210806
A006 DRUG Phase PHASE2 Asthma COMPLETED NCT01189396
albuterol inhalation aerosol DRUG Phase PHASE2 Asthma COMPLETED NCT01174732
Placebo DRUG Phase PHASE3 Asthma COMPLETED NCT01476904
albuterol inhalation powder DRUG Phase PHASE2 Asthma COMPLETED NCT01174732
E004 (epinephrine inhalation aerosol), 160 mcg DRUG Phase PHASE1 Asthma TERMINATED NCT01025648
epinephrine inhalation aerosol, CFC propelled DRUG Phase PHASE1 Asthma TERMINATED NCT01025648
E004 (epinephrine inhalation aerosol), 220 mcg DRUG Phase PHASE1 Asthma TERMINATED NCT01025648
E004 (epinephrine inhalation aerosol), 125 mcg DRUG Phase PHASE1 Asthma TERMINATED NCT01025648
E004 Placebo DRUG Phase PHASE1 Asthma TERMINATED NCT01025648
E004 (epinephrine inhalation aerosol), 90 mcg/actuation DRUG Phase PHASE1 Asthma TERMINATED NCT01025648
HFA placebo DRUG Phase PHASE3 Asthma TERMINATED NCT00635505
albuterol HFA (Proventil HFA) DRUG Phase PHASE3 Asthma TERMINATED NCT00635505
albuterol HFA (Armstrong's) DRUG Phase PHASE3 Asthma TERMINATED NCT00635505
Placebo-HFA DRUG Phase PHASE3 Asthma COMPLETED NCT01737905
Albuterol Sulfate (Provenetil-HFA) DRUG Phase PHASE3 Asthma TERMINATED NCT00634829
albuterol (Armstrong Albuterol HFA) DRUG Phase PHASE3 Asthma TERMINATED NCT00634829
Albuterol Sulfate Inhalation Aerosol DRUG Phase PHASE3 Asthma TERMINATED NCT00634517
Armstrong Albuterol Sulfate Inhalation Aerosol DRUG Phase PHASE3 Asthma TERMINATED NCT00634517
Total products: 43