Investor Relations

Press Release

September 2, 2022

Amphastar Pharmaceuticals to Present at the Wells Fargo 2022 Healthcare Conference

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August 16, 2022

Amphastar Pharmaceuticals Receives FDA Approval for Epinephrine Pre-Filled Syringes

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August 8, 2022

Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended June 30, 2022

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August 1, 2022

Amphastar Pharmaceuticals to Release Second Quarter Earnings and Hold Conference Call on August 8, 2022

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July 19, 2022

Amphastar Receives FDA Approval for Vasopressin

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June 6, 2022

Amphastar Pharmaceuticals to Present at the Jefferies Healthcare Conference

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May 24, 2022

Amphastar Receives FDA Approval for Regadenoson

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May 9, 2022

Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended March 31, 2022

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May 2, 2022

Amphastar Pharmaceuticals to Release First Quarter Earnings and Hold Conference Call on May 9, 2022

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April 8, 2022

Amphastar Receives FDA Approval for Ganirelix Acetate Injection

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