Filer Snapshot

John L. Workman SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001302537.

Entity Type

Individual

Total Filings

121

Latest Filing

23 Apr 2026

Industry

n/a

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

4 filed on 23 Apr 2026 for CIK 0001302537.

View Source Filing
Business address
C/O Federal Signal Corporation, 1333 Butterfield Road, Suite 500, Downers Grove, IL, 60515
Top holdings (ownership)
FSS and CNMD

Quick Takeaways

  • John L. Workman is an SEC filer tracked under CIK 0001302537.
  • 121 filings are listed on this profile.
  • Common form coverage includes 4, 4/A, 3 and more.

What Changed

  • Latest filing: 4 filed on 23 Apr 2026.
  • Report period: 21 Apr 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

4 filed on 23 Apr 2026 for CIK 0001302537.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 4 can change the filing history, ownership context, or next research path for John L. Workman.

Latest source-backed update
4 filed 23 Apr 2026
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 4 filed 23 Apr 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 L. Workman

Ownership report updated

Latest ownership report period: 21 Apr 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

23 Apr 2026

Page type

Ownership filings

Latest period

21 Apr 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 23 Apr 2026.

Open ownership filings Browse recent public updates

Filer Overview

John L. Workman has filed 121 SEC EDGAR filings since 21 Sep 2004. Common forms include 4, 4/A, 3, 5.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for John L. Workman 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 FORM 4 23 Apr 2026 21 Apr 2026 001-06003
4 Open 4 document View SEC filing for 4 FORM 4 12 Nov 2025 10 Nov 2025 001-06003
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 May 2025 20 May 2025 001-39218
4 Open 4 document View SEC filing for 4 FORM 4 23 Apr 2025 22 Apr 2025 001-06003
4 Open 4 document View SEC filing for 4 FORM 4 11 Dec 2024 11 Dec 2024 001-06003
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jun 2024 31 May 2024 001-39218
4 Open 4 document View SEC filing for 4 07 May 2024 07 May 2024 001-40361
4 Open 4 document View SEC filing for 4 FORM 4 23 Apr 2024 23 Apr 2024 001-06003
4 Open 4 document View SEC filing for 4 FORM 4 06 Dec 2023 06 Dec 2023 001-06003
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jun 2023 01 Jun 2023 001-39218
4 Open 4 document View SEC filing for 4 FORM 4 26 Apr 2023 25 Apr 2023 001-06003
4 Open 4 document View SEC filing for 4 14 Mar 2023 10 Mar 2023 001-40361
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jun 2022 01 Jun 2022 001-39218
4 Open 4 document View SEC filing for 4 FORM 4 26 Apr 2022 26 Apr 2022 001-06003
4 Open 4 document View SEC filing for 4 07 Mar 2022 03 Mar 2022 001-40361
4/A Open 4/A document View SEC filing for 4/A OWNERSHIP DOCUMENT 02 Aug 2021 27 Apr 2021 001-40361
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2021 01 Jun 2021 001-39218
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Apr 2021 27 Apr 2021 001-40361
4 Open 4 document View SEC filing for 4 FORM 4 29 Apr 2021 27 Apr 2021 001-06003
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 23 Apr 2021 23 Apr 2021 001-40361
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2020 01 Jun 2020 001-39218
4 Open 4 document View SEC filing for 4 FORM 4 22 Apr 2020 21 Apr 2020 001-06003
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2020 02 Mar 2020 001-06003
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Mar 2020 02 Mar 2020 001-39218
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jun 2019 31 May 2019 000-16093
4 Open 4 document View SEC filing for 4 FORM 4 30 Apr 2019 30 Apr 2019 001-06003
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 08 Feb 2019 01 May 2018 001-06003
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 08 Feb 2019 21 Apr 2017 001-06003
5 Open 5 document View SEC filing for 5 FORM 5 08 Feb 2019 31 Dec 2016 001-06003
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jun 2018 01 Jun 2018 000-16093
4 Open 4 document View SEC filing for 4 FORM 4 03 May 2018 01 May 2018 001-06003
4 Open 4 document View SEC filing for 4 4 18 Aug 2017 17 Aug 2017 001-37356
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jun 2017 01 Jun 2017 000-16093
4 Open 4 document View SEC filing for 4 FORM 4 22 May 2017 18 May 2017 001-37356
4 Open 4 document View SEC filing for 4 FORM 4 25 Apr 2017 21 Apr 2017 001-06003
4 Open 4 document View SEC filing for 4 FORM 4 16 Nov 2016 15 Nov 2016 001-37356
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2016 01 Jun 2016 000-16093
4 Open 4 document View SEC filing for 4 FORM 4 12 May 2016 10 May 2016 001-37356
4 Open 4 document View SEC filing for 4 FORM 4 27 Apr 2016 26 Apr 2016 001-06003
4 Open 4 document View SEC filing for 4 4 17 Mar 2016 15 Mar 2016 001-37356
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Mar 2016 02 Mar 2016 000-16093
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2016 02 Mar 2016 001-06003
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2016 31 Dec 2015 001-06003
4 Open 4 document View SEC filing for 4 FORM 4 28 Sep 2015 28 Sep 2015 001-06003
4 Open 4 document View SEC filing for 4 FORM 4 19 Aug 2015 17 Aug 2015 001-37356
3 Open 3 document View SEC filing for 3 FORM 3 18 Aug 2015 17 Aug 2015 001-37356
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jul 2015 28 Jul 2015 000-16093
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2015 01 Jul 2015 000-16093
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 01 Jul 2015 01 Jul 2015 000-16093
4 Open 4 document View SEC filing for 4 FORM 4 29 Jun 2015 29 Jun 2015 001-06003
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 29 Apr 2015 28 Apr 2015 001-06003
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Apr 2015 28 Apr 2015 001-06003
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Mar 2015 30 Mar 2015 001-06003
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jan 2015 31 Dec 2014 001-06003
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Sep 2014 29 Sep 2014 001-06003
4 Open 4 document View SEC filing for 4 FORM 4 02 Jul 2014 30 Jun 2014 001-08269
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Jun 2014 30 Jun 2014 001-06003
4 Open 4 document View SEC filing for 4 FORM 4 13 Jun 2014 12 Jun 2014 001-08269
4 Open 4 document View SEC filing for 4 FORM 4 02 May 2014 30 Apr 2014 001-08269
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Apr 2014 22 Apr 2014 001-06003
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Mar 2014 31 Mar 2014 001-06003
4 Open 4 document View SEC filing for 4 FORM 4 25 Feb 2014 21 Feb 2014 001-08269
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Feb 2014 20 Feb 2014 001-06003
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 21 Feb 2014 20 Feb 2014 001-06003
4 Open 4 document View SEC filing for 4 FORM 4 20 Nov 2013 18 Nov 2013 001-08269
4 Open 4 document View SEC filing for 4 FORM 4 13 Jun 2013 12 Jun 2013 001-08269
4 Open 4 document View SEC filing for 4 FORM 4 06 May 2013 03 May 2013 001-08269
4 Open 4 document View SEC filing for 4 FORM 4 30 Apr 2013 30 Apr 2013 001-08269
4 Open 4 document View SEC filing for 4 FORM 4 26 Feb 2013 22 Feb 2013 001-08269
4 Open 4 document View SEC filing for 4 FORM 4 20 Nov 2012 16 Nov 2012 001-08269
4 Open 4 document View SEC filing for 4 FORM 4 01 Aug 2012 30 Jul 2012 001-08269
4 Open 4 document View SEC filing for 4 FORM 4 14 Jun 2012 12 Jun 2012 001-08269
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 16 May 2012 30 Apr 2012 001-08269
4 Open 4 document View SEC filing for 4 FORM 4 02 May 2012 30 Apr 2012 001-08269
4 Open 4 document View SEC filing for 4 FORM 4 18 Nov 2011 16 Nov 2011 001-08269
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Oct 2011 14 Oct 2011 000-26786
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Apr 2011 04 Apr 2011 000-26786
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2011 03 Jan 2011 000-26786
4 Open 4 document View SEC filing for 4 FORM 4 18 Nov 2010 18 Nov 2010 001-08269
4 Open 4 document View SEC filing for 4 FORM 4 18 Nov 2010 16 Nov 2010 001-08269
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Oct 2010 04 Oct 2010 000-26786
4 Open 4 document View SEC filing for 4 FORM 4 12 Aug 2010 11 Aug 2010 001-08269
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Jul 2010 06 Jul 2010 000-26786
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Apr 2010 05 Apr 2010 000-26786
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jan 2010 04 Jan 2010 000-26786

About this filer

John L. Workman files with the SEC under CIK 0001302537. 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.
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