Investor Relations

Press Release

December 19, 2017

Amphastar Announces Approval for Sodium Nitroprusside Injection, USP

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November 29, 2017

Amphastar Announces Approval for Medroxyprogesterone Acetate Injectable Suspension, USP

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November 20, 2017

Amphastar Pharmaceuticals to Present at the 29th Annual Piper Jaffray Healthcare Conference

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November 8, 2017

Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended September 30, 2017

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October 31, 2017

Amphastar Pharmaceuticals to Release Third Quarter Earnings and Hold Conference Call on November 8, 2017

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September 25, 2017

Amphastar Announces Approval for Neostigmine Methylsulfate Injection, USP

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September 20, 2017

Amphastar Pharmaceuticals Receives FDA Approval for Sodium Bicarbonate Injection

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August 30, 2017

Amphastar Pharmaceuticals to Present at the 2017 Wells Fargo Securities Healthcare Conference

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August 9, 2017

Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended June 30, 2017

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August 2, 2017

Amphastar Pharmaceuticals to Release Second Quarter Earnings and Hold Conference Call on August 9, 2017

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