Entity Type
Individual
- Info
- Insider Ownership
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Joseph S. Zakrzewski SEC EDGAR Filings
SEC filings, ownership reports, and insider transactions for CIK 0001331852.
Total Filings
117
Latest Filing
23 Mar 2026
Industry
n/a
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- Business address
- 509 Waterview Place, New Hope, PA, 18938
- Top holdings (ownership)
- ANTX, CYT, AMRN, and SGMO
Quick Takeaways
- Joseph S. Zakrzewski is an SEC filer tracked under CIK 0001331852.
- 117 filings are listed on this profile.
- Common form coverage includes 4, 144, 4/A and more.
What Changed
- Latest filing: 4 filed on 23 Mar 2026.
- Report period: 19 Mar 2026.
Why This Matters
- You can quote filing dates and form types directly from the SEC record on this page.
- Use this profile before deeper ownership or insider analysis to confirm filing history context.
Official SEC Source
Filer Overview
Joseph S. Zakrzewski has filed 117 SEC EDGAR filings since 12 May 2008. Common forms include 4, 144, 4/A, 3.
Latest Filings
Recent SEC filings for Joseph S. Zakrzewski with direct links to document and filing folders.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | 4 | 23 Mar 2026 | 19 Mar 2026 | 001-41331 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 23 Feb 2026 | 20 Feb 2026 | 001-41331 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 23 May 2025 | 22 May 2025 | 001-41331 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 11 Apr 2025 | 10 Apr 2025 | 001-41331 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 23 Dec 2024 | 19 Dec 2024 | 001-41331 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 27 Nov 2024 | 27 Nov 2024 | 001-41331 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 20 Nov 2024 | 18 Nov 2024 | 001-41331 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 21 Jun 2024 | 19 Jun 2024 | 001-41331 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 08 Feb 2024 | 06 Feb 2024 | 001-40499 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 19 Jan 2024 | 18 Jan 2024 | 001-41331 |
| 144 | Open 144 document | View SEC filing for 144 | 18 Jan 2024 | |||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 09 Jun 2023 | 07 Jun 2023 | 001-41331 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Feb 2023 | 03 Feb 2023 | 001-40499 |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A SUBMISSION | 08 Dec 2022 | 07 Dec 2022 | 001-40499 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 08 Dec 2022 | 07 Dec 2022 | 001-40499 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 May 2022 | 12 May 2022 | 001-41331 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 May 2022 | 12 May 2022 | 001-40499 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 May 2022 | 10 May 2022 | 001-40499 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 31 Mar 2022 | 29 Mar 2022 | 001-41331 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 24 Mar 2022 | 24 Mar 2022 | 001-41331 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Mar 2022 | 25 Feb 2022 | 000-30171 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Feb 2022 | 22 Feb 2022 | 001-40499 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Dec 2021 | 23 Dec 2021 | 001-40499 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 21 Dec 2021 | 17 Dec 2021 | 001-40499 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Dec 2021 | 14 Dec 2021 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 15 Dec 2021 | 15 Dec 2021 | 001-40499 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 22 Nov 2021 | 19 Nov 2021 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Jun 2021 | 22 Jun 2021 | 001-40499 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 17 Jun 2021 | 17 Jun 2021 | 001-40499 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Jun 2021 | 14 Jun 2021 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 05 Apr 2021 | 05 Apr 2021 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 02 Apr 2021 | 01 Apr 2021 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Mar 2021 | 25 Feb 2021 | 000-30171 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 02 Feb 2021 | 29 Jan 2021 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Oct 2020 | 21 Oct 2020 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Jul 2020 | 13 Jul 2020 | 000-21392 |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A SUBMISSION | 03 Jun 2020 | 18 May 2020 | 000-30171 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 20 May 2020 | 18 May 2020 | 000-30171 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 19 Mar 2020 | 17 Mar 2020 | 000-30171 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Mar 2020 | 12 Mar 2020 | 000-30171 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 24 Jan 2020 | 22 Jan 2020 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 09 Jan 2020 | 07 Jan 2020 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Jan 2020 | 03 Jan 2020 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Dec 2019 | 16 Dec 2019 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 05 Jul 2019 | 05 Jul 2019 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 20 Jun 2019 | 18 Jun 2019 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 17 Jun 2019 | 14 Jun 2019 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Jun 2019 | 10 Jun 2019 | 000-30171 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 21 May 2019 | 20 May 2019 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 22 Feb 2019 | 22 Feb 2019 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 29 Jan 2019 | 25 Jan 2019 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 11 Jan 2019 | 10 Jan 2019 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Jan 2019 | 28 Dec 2018 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Oct 2018 | 14 May 2018 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Sep 2018 | 24 Sep 2018 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Jun 2018 | 11 Jun 2018 | 000-30171 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 05 Mar 2018 | 01 Mar 2018 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Jun 2017 | 27 Jun 2017 | 000-30171 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 29 Jun 2017 | 26 Jun 2017 | 000-30171 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2017 | 17 May 2017 | 001-33462 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 May 2017 | 15 May 2017 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 14 Mar 2017 | 02 Mar 2017 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Mar 2017 | 02 Mar 2017 | 001-33462 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 03 Jan 2017 | 30 Dec 2016 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Jul 2016 | 11 Jul 2016 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2016 | 11 May 2016 | 001-33462 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 07 Mar 2016 | 03 Mar 2016 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 08 Jul 2015 | 06 Jul 2015 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2015 | 13 May 2015 | 001-33462 |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A - | 08 Apr 2015 | 08 Jan 2015 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 09 Jan 2015 | 08 Jan 2015 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Nov 2014 | 20 Nov 2014 | 001-35792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Jun 2014 | 02 Jun 2014 | 001-33462 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Jun 2014 | 11 Jun 2014 | 001-35792 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 13 Jun 2014 | 11 Jun 2014 | 001-35792 |
| 4 | Open 4 document | View SEC filing for 4 | 2014 NON-EMPLOYEE DIRECTOR GRANT | 13 Mar 2014 | 11 Mar 2014 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 09 Dec 2013 | 05 Dec 2013 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | 11-18-13 FORM 4 | 18 Nov 2013 | 18 Nov 2013 | 000-21392 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 - | 18 Sep 2013 | 18 Sep 2013 | 001-36065 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 26 Jul 2013 | 26 Jul 2013 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 25 Jun 2013 | 25 Jun 2013 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 21 Jun 2013 | 21 Jun 2013 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jun 2013 | 03 Jun 2013 | 001-33462 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 25 Apr 2013 | 25 Apr 2013 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | JAN 2, 2013 FORM 4 | 02 Jan 2013 | 02 Jan 2013 | 333-176897 |
| 4 | Open 4 document | View SEC filing for 4 | 03 Oct 2012 | 01 Oct 2012 | 333-176897 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 30 Jul 2012 | 26 Jul 2012 | 333-176897 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jun 2012 | 01 Jun 2012 | 001-33462 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 31 May 2012 | 29 May 2012 | 333-176897 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Mar 2012 | 23 Mar 2012 | 333-176897 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Feb 2012 | 16 Feb 2012 | 001-33462 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 03 Feb 2012 | 01 Feb 2012 | 333-176897 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 07 Nov 2011 | 07 Nov 2011 | 333-176897 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Oct 2011 | 20 Oct 2011 | 333-176897 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Aug 2011 | 22 Aug 2011 | 000-21392 |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A | 15 Jul 2011 | 15 Jul 2011 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jul 2011 | 15 Jul 2011 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2011 | 12 May 2011 | 001-33462 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Apr 2011 | 18 Apr 2011 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | 09 Mar 2011 | 09 Mar 2011 | 000-21392 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Feb 2011 | 25 Feb 2011 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Feb 2011 | 22 Feb 2011 | 000-21392 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 30 Dec 2010 | 01 Jan 2011 | 000-21392 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2010 | 01 Jun 2010 | 001-33462 |
About this filer
Joseph S. Zakrzewski files with the SEC under CIK 0001331852. This page aggregates EDGAR filings and related ownership activity.
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.