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Amphastar Pharmaceuticals Inc (DE) (AMPH) Dividend News Alerts

Nov 08,2024 - AMPH STOCK PRICE DECREASE: Amphastar Pharmaceuticals Inc (DE) on 11-08-2024 decreased stock price > 10% from $53.40 to $46.09

Aug 09,2024 - AMPH STOCK PRICE INCREASE: Amphastar Pharmaceuticals Inc (DE) on 08-09-2024 increased stock price > 10% from $38.89 to $44.06

Mar 01,2024 - AMPH STOCK PRICE DECREASE: Amphastar Pharmaceuticals Inc (DE) on 03-01-2024 decreased stock price > 10% from $54.74 to $46.57

Nov 10,2023 - AMPH STOCK PRICE INCREASE: Amphastar Pharmaceuticals Inc (DE) on 11-10-2023 increased stock price > 10% from $46.01 to $52.41

Aug 11,2023 - AMPH STOCK PRICE DECREASE: Amphastar Pharmaceuticals Inc (DE) on 08-11-2023 decreased stock price > 10% from $62.21 to $53.40

May 11,2023 - AMPH STOCK PRICE INCREASE: Amphastar Pharmaceuticals Inc (DE) on 05-11-2023 increased stock price > 10% from $36.44 to $41.19

Mar 02,2023 - AMPH STOCK PRICE INCREASE: Amphastar Pharmaceuticals Inc (DE) on 03-02-2023 increased stock price > 10% from $31.86 to $36.56

Aug 10,2022 - AMPH STOCK PRICE DECREASE: Amphastar Pharmaceuticals Inc (DE) on 08-10-2022 decreased stock price > 10% from $36.76 to $32.06

Jun 10,2022 - AMPH STOCK PRICE DECREASE: Amphastar Pharmaceuticals Inc (DE) on 06-10-2022 decreased stock price > 10% from $38.29 to $30.19

Jun 08,2022 - AMPH STOCK PRICE INCREASE: Amphastar Pharmaceuticals Inc (DE) on 06-08-2022 increased stock price > 10% from $37.47 to $41.41

Mar 12,2022 - AMPH STOCK PRICE INCREASE: Amphastar Pharmaceuticals Inc (DE) on 03-12-2022 increased stock price > 10% from $30.47 to $34.30

Feb 01,2022 - AMPH STOCK PRICE DECREASE: Amphastar Pharmaceuticals Inc (DE) on 02-01-2022 decreased stock price > 10% from $26.06 to $23.09

Mar 19,2020 - CLOSE PRICE DECREASE: Amphastar Pharmaceuticals Inc (DE) (NASDAQ: AMPH) on 03-19-2020 decreased close price > 10% from $14.50 to $12.78

Mar 18,2020 - CLOSE PRICE INCREASE: Amphastar Pharmaceuticals Inc (DE) (NASDAQ: AMPH) on 03-18-2020 increased close price > 10% from $13.03 to $14.50

Mar 14,2019 - CLOSE PRICE DECREASE: Amphastar Pharmaceuticals Inc (DE) (NASDAQ: AMPH) on 03-14-2019 decreased close price > 10% from $24.17 to $20.68