William J. Peters

Insider Reports History

Entity
Individual
Location
C/O Amphastar Pharmaceuticals, Inc., 11570 6 Th Street, Rancho Cucamonga, CA
Signature
/s/ William J. Peters
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by William J. Peters:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Amphastar Pharmaceuticals, Inc. CFO, EVP & TREASURER, Director Common Stock 94.1K $4.9M $52.05 Nov 6, 2024 Direct
Amphastar Pharmaceuticals, Inc. CFO, EVP & TREASURER, Director Employee Stock Option (right to buy) 23.7K Nov 6, 2024 Direct
Amphastar Pharmaceuticals, Inc. CFO, EVP & TREASURER, Director Employee Stock Option (right to buy) 0 Mar 6, 2024 Direct

Insider Reports Filed by William J. Peters

Symbol Company Period Transactions Value $ Form Type Date Filed Role
AMPH Amphastar Pharmaceuticals, Inc. Nov 6, 2024 3 -$290K 4 Nov 8, 2024 CFO, EVP & TREASURER, Director
AMPH Amphastar Pharmaceuticals, Inc. Jul 31, 2024 3 -$247K 4 Aug 2, 2024 CFO, EVP & TREASURER, Director
AMPH Amphastar Pharmaceuticals, Inc. Jun 27, 2024 2 -$147K 4 Jun 28, 2024 CFO, EVP & TREASURER, Director
AMPH Amphastar Pharmaceuticals, Inc. May 19, 2024 1 -$16.8K 4 May 21, 2024 CFO, EVP & TREASURER, Director
AMPH Amphastar Pharmaceuticals, Inc. Mar 15, 2024 3 -$501K 4 Mar 19, 2024 CFO, EVP & TREASURER, Director
AMPH Amphastar Pharmaceuticals, Inc. Mar 6, 2024 6 -$844K 4 Mar 8, 2024 CFO, EVP & TREASURER, Director
AMPH Amphastar Pharmaceuticals, Inc. Mar 4, 2024 2 $0 4 Mar 6, 2024 CFO, EVP & TREASURER, Director
AMPH Amphastar Pharmaceuticals, Inc. Nov 14, 2023 7 -$2.37M 4 Nov 16, 2023 CFO, EVP & Treasurer, Director
AMPH Amphastar Pharmaceuticals, Inc. Sep 6, 2023 8 -$2.19M 4 Sep 8, 2023 CFO, EVP & Treasurer, Director
AMPH Amphastar Pharmaceuticals, Inc. Jun 15, 2023 5 -$1.15M 4 Jun 20, 2023 CFO, EVP & Treasurer, Director
AMPH Amphastar Pharmaceuticals, Inc. Jun 2, 2023 3 -$363K 4 Jun 5, 2023 CFO, EVP & Treasurer, Director
AMPH Amphastar Pharmaceuticals, Inc. May 18, 2023 4 -$342K 4 May 22, 2023 CFO, EVP & Treasurer, Director
AMPH Amphastar Pharmaceuticals, Inc. Apr 17, 2023 3 -$163K 4 Apr 18, 2023 CFO, EVP & Treasurer, Director
AMPH Amphastar Pharmaceuticals, Inc. Apr 13, 2023 3 -$141K 4 Apr 14, 2023 CFO, EVP & Treasurer, Director
AMPH Amphastar Pharmaceuticals, Inc. Apr 10, 2023 3 -$271K 4 Apr 12, 2023 CFO, EVP & Treasurer, Director
AMPH Amphastar Pharmaceuticals, Inc. Mar 16, 2023 2 -$339K 4 Mar 20, 2023 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Mar 15, 2023 4 -$518K 4 Mar 17, 2023 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Mar 6, 2023 2 $0 4 Mar 8, 2023 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Mar 1, 2023 3 -$274K 4 Mar 3, 2023 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Aug 9, 2022 3 -$250K 4 Aug 10, 2022 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Jun 30, 2022 3 -$368K 4 Jul 1, 2022 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Jun 17, 2022 1 -$177K 4 Jun 22, 2022 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. May 19, 2022 1 -$12.7K 4 May 20, 2022 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Mar 16, 2022 6 -$1.31M 4 Mar 18, 2022 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Mar 15, 2022 4 -$480K 4 Mar 17, 2022 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Mar 7, 2022 3 -$208K 4 Mar 9, 2022 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Feb 25, 2022 4 -$311K 4 Mar 1, 2022 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Feb 8, 2022 3 -$120K 4 Feb 9, 2022 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Jan 7, 2022 7 -$495K 4 Jan 11, 2022 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Dec 30, 2021 3 -$90K 4 Jan 4, 2022 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Dec 21, 2021 3 -$66K 4 Dec 22, 2021 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Dec 16, 2021 3 -$14K 4 Dec 17, 2021 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Nov 11, 2021 3 -$100K 4 Nov 12, 2021 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Aug 16, 2021 1 -$128K 4 Aug 17, 2021 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. Jul 7, 2021 3 -$90.4K 4 Jul 8, 2021 CFO, EVP & Treasurer
AMPH Amphastar Pharmaceuticals, Inc. May 19, 2021 2 $0 4 May 20, 2021 CFO, EVP & Treasurer