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Gerst Diane G.

DateNameSymbolTypeSecuritySharesPriceValueOwnershipReported
06/05/2023Amphastar Pharmaceuticals, Inc.AMPHGrantCommon Stock2.7k$0.00$0 06/05/2023
06/05/2023Amphastar Pharmaceuticals, Inc.AMPHGrantStock Option (right to buy)7k$46.01$322.8k 06/05/2023
07/18/2022Amphastar Pharmaceuticals, Inc.AMPHExerciseStock Option (right to buy)1.5k$20.08$30.5k 07/18/2022
07/18/2022Amphastar Pharmaceuticals, Inc.AMPHSaleCommon Stock1.5k$37.23$56.6k 07/18/2022
07/11/2022Amphastar Pharmaceuticals, Inc.AMPHSaleCommon Stock1.5k$36.26$55.1k 07/11/2022
07/11/2022Amphastar Pharmaceuticals, Inc.AMPHExerciseStock Option (right to buy)1.5k$20.08$30.5k 07/11/2022
07/05/2022Amphastar Pharmaceuticals, Inc.AMPHSaleCommon Stock1.8k$35.00$63.5k 07/05/2022
07/05/2022Amphastar Pharmaceuticals, Inc.AMPHExerciseStock Option (right to buy)1.8k$20.08$36.4k 07/05/2022
06/30/2022Amphastar Pharmaceuticals, Inc.AMPHExerciseStock Option (right to buy)1.8k$20.08$36.4k 06/30/2022
06/30/2022Amphastar Pharmaceuticals, Inc.AMPHExerciseStock Option (right to buy)3.3k$20.03$66.8k 06/30/2022
06/30/2022Amphastar Pharmaceuticals, Inc.AMPHSaleCommon Stock5.1k$35.00$180.1k 06/30/2022
06/10/2022Amphastar Pharmaceuticals, Inc.AMPHGrantCommon Stock4.2k$0.00$0 06/10/2022
06/10/2022Amphastar Pharmaceuticals, Inc.AMPHGrantStock Option (right to buy)11k$30.02$329.7k 06/10/2022
06/07/2021Amphastar Pharmaceuticals, Inc.AMPHGrantCommon Stock3k$0.00$0 06/07/2021
06/07/2021Amphastar Pharmaceuticals, Inc.AMPHGrantStock Option (right to buy)8.6k$19.52$167.7k 06/07/2021
06/08/2020Amphastar Pharmaceuticals, Inc.AMPHGrantStock Option (right to buy)8k$20.08$160.7k 06/08/2020
06/08/2020Amphastar Pharmaceuticals, Inc.AMPHGrantCommon Stock2.9k$0.00$0 06/08/2020
06/12/2019Amphastar Pharmaceuticals, Inc.AMPHGrantStock Option (right to buy)7k$20.03$139.4k 06/12/2019
06/12/2019Amphastar Pharmaceuticals, Inc.AMPHGrantCommon Stock2.7k$0.00$0 06/12/2019
12/19/2017Amphastar Pharmaceuticals, Inc.AMPHSaleCommon Stock523$19.48$10.2k 12/19/2017
12/12/2017Amphastar Pharmaceuticals, Inc.AMPHSaleCommon Stock523$18.96$9.9k 12/12/2017
11/28/2017Amphastar Pharmaceuticals, Inc.AMPHSaleCommon Stock523$18.15$9.5k 11/28/2017
11/21/2017Amphastar Pharmaceuticals, Inc.AMPHSaleCommon Stock523$18.81$9.8k 11/21/2017
11/15/2017Amphastar Pharmaceuticals, Inc.AMPHSaleCommon Stock523$17.77$9.3k 11/15/2017
11/07/2017Amphastar Pharmaceuticals, Inc.AMPHSaleCommon Stock523$17.93$9.4k 11/07/2017
10/24/2017Amphastar Pharmaceuticals, Inc.AMPHSaleCommon Stock523$18.29$9.6k 10/24/2017
06/15/2017Amphastar Pharmaceuticals, Inc.AMPHPayment of ExerciseCommon Stock146$16.18$2.4k 06/15/2017
03/26/2017Amphastar Pharmaceuticals, Inc.AMPHPayment of ExerciseCommon Stock614$13.76$8.4k 03/26/2017
03/17/2017Amphastar Pharmaceuticals, Inc.AMPHPayment of ExerciseCommon Stock1.2k$13.75$16.4k 03/16/2017
03/16/2017Amphastar Pharmaceuticals, Inc.AMPHGrantEmployee Stock Option (right to buy)27.1k$13.35$361.6k 03/16/2017
03/16/2017Amphastar Pharmaceuticals, Inc.AMPHGrantCommon Stock10.9k$0.00$0 03/16/2017
12/15/2016Amphastar Pharmaceuticals, Inc.AMPHSaleCommon Stock2.9k$20.51$60.3k 12/15/2016
06/15/2016Amphastar Pharmaceuticals, Inc.AMPHPayment of ExerciseCommon Stock146$15.76$2.3k 06/15/2016
03/17/2016Amphastar Pharmaceuticals, Inc.AMPHGrantCommon Stock11.3k$0.00$0 03/17/2016
03/17/2016Amphastar Pharmaceuticals, Inc.AMPHGrantEmployee Stock Option (right to buy)33.8k$11.33$382.7k 03/17/2016

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