Filer Snapshot

John W. Pietrowicz SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001485050.

Entity Type

Individual

Total Filings

63

Latest Filing

18 Mar 2026

Industry

n/a

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Go to latest filings table Open reporting owner context
Source: SEC Forms 3/4/5

3 filed on 18 Mar 2026 for CIK 0001485050.

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Business address
20 S. Wacker Drive, Chicago, IL, 60606
Top holdings (ownership)
CME and MRX

Quick Takeaways

  • John W. Pietrowicz is an SEC filer tracked under CIK 0001485050.
  • 63 filings are listed on this profile.
  • Common form coverage includes 3, 4/A, 4 and more.

What Changed

  • Latest filing: 3 filed on 18 Mar 2026.
  • Report period: 18 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.

Source Evidence

Source: SEC Forms 3/4/5

3 filed on 18 Mar 2026 for CIK 0001485050.

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Return Loop

Why revisit this filer page

A newly filed 3 can change the filing history, ownership context, or next research path for John W. Pietrowicz.

Latest source-backed update
3 filed 18 Mar 2026
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Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 3 filed 18 Mar 2026.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

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Latest update

What changed recently for John W. Pietrowicz

Ownership report updated

Latest ownership report period: 18 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

18 Mar 2026

Page type

Ownership filings

Latest period

18 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 18 Mar 2026.

Open ownership filings Browse recent public updates

Filer Overview

John W. Pietrowicz has filed 63 SEC EDGAR filings since 26 Feb 2010. Common forms include 3, 4/A, 4, 3/A.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for John W. Pietrowicz with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
3 Open 3 document View SEC filing for 3 3 18 Mar 2026 18 Mar 2026 001-42020
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 19 Sep 2022 14 Sep 2022 001-31553
4 Open 4 document View SEC filing for 4 FORM 4 19 Sep 2022 15 Sep 2022 001-31553
4 Open 4 document View SEC filing for 4 FORM 4 15 Sep 2022 14 Sep 2022 001-31553
4 Open 4 document View SEC filing for 4 FORM 4 17 Mar 2022 15 Mar 2022 001-31553
4 Open 4 document View SEC filing for 4 FORM 4 17 Sep 2021 16 Sep 2021 001-31553
4 Open 4 document View SEC filing for 4 FORM 4 16 Sep 2021 14 Sep 2021 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Mar 2021 15 Mar 2021 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Dec 2020 01 Dec 2020 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Sep 2020 15 Sep 2020 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Sep 2020 14 Sep 2020 001-31553
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 11 Jun 2020 15 Mar 2020 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Mar 2020 15 Mar 2020 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Sep 2019 14 Sep 2019 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2019 04 Sep 2019 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Jul 2019 09 Jul 2019 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Apr 2019 03 Apr 2019 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2019 15 Mar 2019 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2019 02 Jan 2019 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Oct 2018 11 Oct 2018 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Sep 2018 14 Sep 2018 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Jul 2018 10 Jul 2018 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Apr 2018 10 Apr 2018 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2018 15 Mar 2018 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Jan 2018 09 Jan 2018 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Nov 2017 02 Nov 2017 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Oct 2017 11 Oct 2017 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Sep 2017 15 Sep 2017 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Jul 2017 10 Jul 2017 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Apr 2017 10 Apr 2017 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Mar 2017 15 Mar 2017 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Jan 2017 09 Jan 2017 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Dec 2016 12 Dec 2016 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Sep 2016 15 Sep 2016 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Sep 2016 14 Sep 2016 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Jun 2016 06 Jun 2016 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Mar 2016 15 Mar 2016 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Mar 2016 14 Mar 2016 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Mar 2016 01 Mar 2016 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Sep 2015 15 Sep 2015 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Sep 2015 14 Sep 2015 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2015 02 Jun 2015 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 May 2015 15 May 2015 001-31553
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 19 May 2015 05 May 2015 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2015 05 May 2015 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Apr 2015 15 Apr 2015 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Apr 2015 02 Apr 2015 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Mar 2015 14 Mar 2015 001-31553
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 19 Dec 2014 10 Dec 2014 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Sep 2013 14 Sep 2013 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2013 15 Mar 2013 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Mar 2013 08 Mar 2013 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Sep 2012 14 Sep 2012 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Mar 2012 15 Mar 2012 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Mar 2012 01 Mar 2012 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Dec 2011 15 Dec 2011 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Sep 2011 15 Sep 2011 001-31553
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Mar 2011 15 Mar 2011 001-31553
3/A Open 3/A document View SEC filing for 3/A PRIMARY DOCUMENT 23 Feb 2011 19 Feb 2010 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Dec 2010 15 Dec 2010 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Sep 2010 15 Sep 2010 001-31553
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Mar 2010 15 Mar 2010 001-31553
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 26 Feb 2010 19 Feb 2010 001-31553

About this filer

John W. Pietrowicz files with the SEC under CIK 0001485050. 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.