John L. Workman

Business address
C/O Federal Signal Corporation, 1333 Butterfield Road, Suite 500, Downers Grove, IL, 60515
Top holdings (ownership)
FSS and CNMD
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John L. Workman has filed 120 SEC EDGAR filings since 21 Sep 2004

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 12 Nov 2025 10 Nov 2025 001-06003
4 Open Document Open Filing PRIMARY DOCUMENT 21 May 2025 20 May 2025 001-39218
4 Open Document Open Filing FORM 4 23 Apr 2025 22 Apr 2025 001-06003
4 Open Document Open Filing FORM 4 11 Dec 2024 11 Dec 2024 001-06003
4 Open Document Open Filing PRIMARY DOCUMENT 04 Jun 2024 31 May 2024 001-39218
4 Open Document Open Filing 07 May 2024 07 May 2024 001-40361
4 Open Document Open Filing FORM 4 23 Apr 2024 23 Apr 2024 001-06003
4 Open Document Open Filing FORM 4 06 Dec 2023 06 Dec 2023 001-06003
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jun 2023 01 Jun 2023 001-39218
4 Open Document Open Filing FORM 4 26 Apr 2023 25 Apr 2023 001-06003
4 Open Document Open Filing 14 Mar 2023 10 Mar 2023 001-40361
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jun 2022 01 Jun 2022 001-39218
4 Open Document Open Filing FORM 4 26 Apr 2022 26 Apr 2022 001-06003
4 Open Document Open Filing 07 Mar 2022 03 Mar 2022 001-40361
4/A Open Document Open Filing OWNERSHIP DOCUMENT 02 Aug 2021 27 Apr 2021 001-40361
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jun 2021 01 Jun 2021 001-39218
4 Open Document Open Filing FORM 4 SUBMISSION 29 Apr 2021 27 Apr 2021 001-40361
4 Open Document Open Filing FORM 4 29 Apr 2021 27 Apr 2021 001-06003
3 Open Document Open Filing FORM 3 SUBMISSION 23 Apr 2021 23 Apr 2021 001-40361
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jun 2020 01 Jun 2020 001-39218
4 Open Document Open Filing FORM 4 22 Apr 2020 21 Apr 2020 001-06003
4 Open Document Open Filing FORM 4 02 Mar 2020 02 Mar 2020 001-06003
4 Open Document Open Filing PRIMARY DOCUMENT 02 Mar 2020 02 Mar 2020 001-39218
4 Open Document Open Filing PRIMARY DOCUMENT 04 Jun 2019 31 May 2019 000-16093
4 Open Document Open Filing FORM 4 30 Apr 2019 30 Apr 2019 001-06003
4/A Open Document Open Filing FORM 4/A 08 Feb 2019 01 May 2018 001-06003
4/A Open Document Open Filing FORM 4/A 08 Feb 2019 21 Apr 2017 001-06003
5 Open Document Open Filing FORM 5 08 Feb 2019 31 Dec 2016 001-06003
4 Open Document Open Filing PRIMARY DOCUMENT 04 Jun 2018 01 Jun 2018 000-16093
4 Open Document Open Filing FORM 4 03 May 2018 01 May 2018 001-06003
4 Open Document Open Filing 4 18 Aug 2017 17 Aug 2017 001-37356
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jun 2017 01 Jun 2017 000-16093
4 Open Document Open Filing FORM 4 22 May 2017 18 May 2017 001-37356
4 Open Document Open Filing FORM 4 25 Apr 2017 21 Apr 2017 001-06003
4 Open Document Open Filing FORM 4 16 Nov 2016 15 Nov 2016 001-37356
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jun 2016 01 Jun 2016 000-16093
4 Open Document Open Filing FORM 4 12 May 2016 10 May 2016 001-37356
4 Open Document Open Filing FORM 4 27 Apr 2016 26 Apr 2016 001-06003
4 Open Document Open Filing 4 17 Mar 2016 15 Mar 2016 001-37356
4 Open Document Open Filing PRIMARY DOCUMENT 03 Mar 2016 02 Mar 2016 000-16093
4 Open Document Open Filing FORM 4 02 Mar 2016 02 Mar 2016 001-06003
4 Open Document Open Filing FORM 4 04 Jan 2016 31 Dec 2015 001-06003
4 Open Document Open Filing FORM 4 28 Sep 2015 28 Sep 2015 001-06003
4 Open Document Open Filing FORM 4 19 Aug 2015 17 Aug 2015 001-37356
3 Open Document Open Filing FORM 3 18 Aug 2015 17 Aug 2015 001-37356
4 Open Document Open Filing PRIMARY DOCUMENT 29 Jul 2015 28 Jul 2015 000-16093
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jul 2015 01 Jul 2015 000-16093
3 Open Document Open Filing PRIMARY DOCUMENT 01 Jul 2015 01 Jul 2015 000-16093
4 Open Document Open Filing FORM 4 29 Jun 2015 29 Jun 2015 001-06003
4/A Open Document Open Filing PRIMARY DOCUMENT 29 Apr 2015 28 Apr 2015 001-06003
4 Open Document Open Filing PRIMARY DOCUMENT 29 Apr 2015 28 Apr 2015 001-06003
4 Open Document Open Filing PRIMARY DOCUMENT 31 Mar 2015 30 Mar 2015 001-06003
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jan 2015 31 Dec 2014 001-06003
4 Open Document Open Filing PRIMARY DOCUMENT 30 Sep 2014 29 Sep 2014 001-06003
4 Open Document Open Filing FORM 4 02 Jul 2014 30 Jun 2014 001-08269
4 Open Document Open Filing PRIMARY DOCUMENT 30 Jun 2014 30 Jun 2014 001-06003
4 Open Document Open Filing FORM 4 13 Jun 2014 12 Jun 2014 001-08269
4 Open Document Open Filing FORM 4 02 May 2014 30 Apr 2014 001-08269
4 Open Document Open Filing PRIMARY DOCUMENT 23 Apr 2014 22 Apr 2014 001-06003
4 Open Document Open Filing PRIMARY DOCUMENT 31 Mar 2014 31 Mar 2014 001-06003
4 Open Document Open Filing FORM 4 25 Feb 2014 21 Feb 2014 001-08269
4 Open Document Open Filing PRIMARY DOCUMENT 21 Feb 2014 20 Feb 2014 001-06003
3 Open Document Open Filing PRIMARY DOCUMENT 21 Feb 2014 20 Feb 2014 001-06003