WILLIAM J. PETERS

Business address
C/O Amphastar Pharmaceuticals, Inc., 11570 6 Th Street, Rancho Cucamonga, CA, 91730
Top holdings (ownership)
AMPH
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WILLIAM J. PETERS has filed 115 SEC EDGAR filings since 10 Sep 2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 20 May 2025 19 May 2025 001-36509
4 Open Document Open Filing 18 Mar 2025 15 Mar 2025 001-36509
4 Open Document Open Filing 12 Mar 2025 10 Mar 2025 001-36509
4 Open Document Open Filing 10 Mar 2025 06 Mar 2025 001-36509
4 Open Document Open Filing 06 Mar 2025 04 Mar 2025 001-36509
144 Open Document Open Filing 04 Mar 2025
4 Open Document Open Filing 08 Nov 2024 06 Nov 2024 001-36509
144 Open Document Open Filing 06 Nov 2024
4 Open Document Open Filing 02 Aug 2024 31 Jul 2024 001-36509
144 Open Document Open Filing 31 Jul 2024
4 Open Document Open Filing 28 Jun 2024 27 Jun 2024 001-36509
144 Open Document Open Filing 27 Jun 2024
4 Open Document Open Filing 21 May 2024 19 May 2024 001-36509
4 Open Document Open Filing 19 Mar 2024 15 Mar 2024 001-36509
4 Open Document Open Filing 08 Mar 2024 06 Mar 2024 001-36509
4 Open Document Open Filing 06 Mar 2024 04 Mar 2024 001-36509
144 Open Document Open Filing 06 Mar 2024
4 Open Document Open Filing OWNERSHIP DOCUMENT 16 Nov 2023 14 Nov 2023 001-36509
144 Open Document Open Filing 14 Nov 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Sep 2023 06 Sep 2023 001-36509
144 Open Document Open Filing 06 Sep 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 Jun 2023 15 Jun 2023 001-36509
144 Open Document Open Filing 15 Jun 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Jun 2023 02 Jun 2023 001-36509
144 Open Document Open Filing 02 Jun 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT 22 May 2023 18 May 2023 001-36509
144 Open Document Open Filing 18 May 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Apr 2023 17 Apr 2023 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 14 Apr 2023 13 Apr 2023 001-36509
144 Open Document Open Filing 13 Apr 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Apr 2023 10 Apr 2023 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 Mar 2023 16 Mar 2023 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Mar 2023 15 Mar 2023 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Mar 2023 06 Mar 2023 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Mar 2023 01 Mar 2023 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 10 Aug 2022 09 Aug 2022 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 01 Jul 2022 30 Jun 2022 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 22 Jun 2022 17 Jun 2022 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 May 2022 19 May 2022 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Mar 2022 16 Mar 2022 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Mar 2022 15 Mar 2022 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 09 Mar 2022 07 Mar 2022 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 01 Mar 2022 25 Feb 2022 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 09 Feb 2022 08 Feb 2022 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 11 Jan 2022 07 Jan 2022 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Jan 2022 30 Dec 2021 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 22 Dec 2021 21 Dec 2021 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Dec 2021 16 Dec 2021 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Nov 2021 11 Nov 2021 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Aug 2021 16 Aug 2021 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Jul 2021 07 Jul 2021 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 May 2021 19 May 2021 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Mar 2021 16 Mar 2021 001-36509
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Mar 2021 15 Mar 2021 001-36509
4 Open Document Open Filing 4 20 Jan 2021 19 Jan 2021 001-36509
4 Open Document Open Filing 4 18 Aug 2020 14 Aug 2020 001-36509
4 Open Document Open Filing 4 08 Jul 2020 06 Jul 2020 001-36509
4 Open Document Open Filing 4 18 Mar 2020 16 Mar 2020 001-36509
4 Open Document Open Filing 4 17 Mar 2020 13 Mar 2020 001-36509
4 Open Document Open Filing 4 23 Jan 2020 21 Jan 2020 001-36509
4 Open Document Open Filing 4 18 Sep 2019 16 Sep 2019 001-36509
4 Open Document Open Filing 4 16 Aug 2019 15 Aug 2019 001-36509
4 Open Document Open Filing 4 27 Mar 2019 26 Mar 2019 001-36509
4 Open Document Open Filing 4 19 Mar 2019 15 Mar 2019 001-36509
4 Open Document Open Filing 4 06 Mar 2019 04 Mar 2019 001-36509
4 Open Document Open Filing 4 15 Feb 2019 15 Feb 2019 001-36509
4 Open Document Open Filing 4 04 Jan 2019 02 Jan 2019 001-36509
4 Open Document Open Filing 4 04 Dec 2018 03 Dec 2018 001-36509
4 Open Document Open Filing 4 13 Nov 2018 08 Nov 2018 001-36509
4 Open Document Open Filing 4 17 Aug 2018 16 Aug 2018 001-36509
4 Open Document Open Filing 4 11 Jul 2018 09 Jul 2018 001-36509
4 Open Document Open Filing 4 23 Apr 2018 21 Apr 2018 001-36509
4 Open Document Open Filing 4 28 Mar 2018 26 Mar 2018 001-36509
4 Open Document Open Filing 4 20 Mar 2018 16 Mar 2018 001-36509
4 Open Document Open Filing 4 16 Mar 2018 15 Mar 2018 001-36509
4 Open Document Open Filing 4 15 Mar 2018 13 Mar 2018 001-36509
4 Open Document Open Filing 4 05 Dec 2017 01 Dec 2017 001-36509
4 Open Document Open Filing 4 13 Oct 2017 13 Oct 2017 001-36509
4 Open Document Open Filing 4 01 Jun 2017 30 May 2017 001-36509
4 Open Document Open Filing 4 25 Apr 2017 21 Apr 2017 001-36509
4 Open Document Open Filing 4 28 Mar 2017 26 Mar 2017 001-36509
4 Open Document Open Filing 4 20 Mar 2017 16 Mar 2017 001-36509
4 Open Document Open Filing 4 15 Aug 2016 12 Aug 2016 001-36509
4 Open Document Open Filing FORM 4 SUBMISSION 19 Jul 2016 18 Jul 2016 001-36509
4 Open Document Open Filing FORM 4 SUBMISSION 03 Jun 2016 02 Jun 2016 001-36509
4 Open Document Open Filing FORM 4 SUBMISSION 22 Apr 2016 21 Apr 2016 001-36509
4 Open Document Open Filing FORM 4 SUBMISSION 29 Mar 2016 26 Mar 2016 001-36509
4 Open Document Open Filing FORM 4 SUBMISSION 21 Mar 2016 17 Mar 2016 001-36509
4 Open Document Open Filing 4 23 Apr 2015 21 Apr 2015 001-36509
4 Open Document Open Filing 4 30 Mar 2015 26 Mar 2015 001-36509
3 Open Document Open Filing 3 24 Jun 2014 24 Jun 2014 001-36509