MICHAEL A. ZASLOFF SEC EDGAR Filings (CIK 0001033511)

SEC EDGAR filings, ownership reports, and insider transactions for MICHAEL A. ZASLOFF.

Business address
C/O Amphastar Pharmaceuticals, Inc., 11570 6 Th Street, Rancho Cucamonga, CA, 91730
Top holdings (ownership)
AMPH
State of incorporation
PA
Fiscal year end
31 December
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MICHAEL A. ZASLOFF has filed 35 SEC EDGAR filings since 14 Feb 1997

Latest Filings

Recent SEC filings for MICHAEL A. ZASLOFF including 4, 144, 3 and more.

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

About this filer

MICHAEL A. ZASLOFF files with the SEC under CIK 0001033511. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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