WILLIAM M. LAMBERT SEC EDGAR Filings (CIK 0001187330)

SEC EDGAR filings, ownership reports, and insider transactions for WILLIAM M. LAMBERT.

Business address
C/O Msa Safety, 1000 Cranberry Woods Drive, Cranberry Twp, PA, 16066
Top holdings (ownership)
MSA and KMT
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WILLIAM M. LAMBERT has filed 154 SEC EDGAR filings since 21 Jan 2003

Latest Filings

Recent SEC filings for WILLIAM M. LAMBERT including 4, 4/A, 3 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 16 Dec 2025 12 Dec 2025 001-15579
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Aug 2025 15 Aug 2025 001-05318
4 Open 4 document View SEC filing for 4 19 May 2025 16 May 2025 001-15579
4 Open 4 document View SEC filing for 4 19 Nov 2024 15 Nov 2024 001-15579
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Aug 2024 15 Aug 2024 001-05318
4 Open 4 document View SEC filing for 4 16 May 2024 15 May 2024 001-15579
4 Open 4 document View SEC filing for 4 29 Nov 2023 27 Nov 2023 001-15579
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Aug 2023 15 Aug 2023 001-05318
4 Open 4 document View SEC filing for 4 19 May 2023 11 May 2023 001-15579
4/A Open 4/A document View SEC filing for 4/A 06 Apr 2023 15 Nov 2022 001-15579
4 Open 4 document View SEC filing for 4 16 Nov 2022 15 Nov 2022 001-15579
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Aug 2022 15 Aug 2022 001-05318
4 Open 4 document View SEC filing for 4 11 Aug 2022 09 Aug 2022 001-15579
4 Open 4 document View SEC filing for 4 10 Aug 2022 08 Aug 2022 001-15579
4 Open 4 document View SEC filing for 4 20 May 2022 18 May 2022 001-15579
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2022 04 May 2022 001-05318
4 Open 4 document View SEC filing for 4 23 Nov 2021 19 Nov 2021 001-15579
4 Open 4 document View SEC filing for 4 16 Sep 2021 16 Sep 2021 001-15579
4 Open 4 document View SEC filing for 4 26 Aug 2021 25 Aug 2021 001-15579
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Aug 2021 15 Aug 2021 001-05318
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Aug 2021 02 Aug 2021 001-05318
4 Open 4 document View SEC filing for 4 25 May 2021 24 May 2021 001-15579
4 Open 4 document View SEC filing for 4 22 Dec 2020 08 Mar 2020 001-15579
4 Open 4 document View SEC filing for 4 09 Dec 2020 07 Dec 2020 001-15579
4 Open 4 document View SEC filing for 4 30 Oct 2020 26 Oct 2020 001-15579
4 Open 4 document View SEC filing for 4 29 Oct 2020 04 Mar 2020 001-15579
4 Open 4 document View SEC filing for 4 25 Aug 2020 24 Aug 2020 001-15579
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Aug 2020 14 Aug 2020 001-05318
4 Open 4 document View SEC filing for 4 11 Aug 2020 10 Aug 2020 001-15579
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Aug 2020 31 Jul 2020 001-05318
4 Open 4 document View SEC filing for 4 18 May 2020 15 May 2020 001-15579
4 Open 4 document View SEC filing for 4 23 Mar 2020 20 Mar 2020 001-15579
4 Open 4 document View SEC filing for 4 05 Mar 2020 04 Mar 2020 001-15579
4 Open 4 document View SEC filing for 4 10 Dec 2019 06 Dec 2019 001-15579
4 Open 4 document View SEC filing for 4 31 Oct 2019 30 Oct 2019 001-15579
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Aug 2019 15 Aug 2019 001-05318
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Aug 2019 01 Aug 2019 001-05318
4 Open 4 document View SEC filing for 4 23 May 2019 22 May 2019 001-15579
4 Open 4 document View SEC filing for 4 14 Mar 2019 13 Mar 2019 001-15579
4 Open 4 document View SEC filing for 4 12 Mar 2019 08 Mar 2019 001-15579
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2019 01 Jan 2019 001-03551
4 Open 4 document View SEC filing for 4 17 Dec 2018 14 Dec 2018 001-15579
4 Open 4 document View SEC filing for 4 03 Dec 2018 28 Nov 2018 001-15579
4 Open 4 document View SEC filing for 4 28 Nov 2018 26 Nov 2018 001-15579
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Nov 2018 13 Nov 2018 001-03551
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 15 Nov 2018 12 Nov 2018 001-03551
4 Open 4 document View SEC filing for 4 26 Sep 2018 24 Sep 2018 001-15579
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 10 Aug 2018 01 Aug 2018 001-05318
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Aug 2018 01 Aug 2018 001-05318
4 Open 4 document View SEC filing for 4 20 Jun 2018 19 Jun 2018 001-15579
4 Open 4 document View SEC filing for 4 19 Jun 2018 15 Jun 2018 001-15579
4 Open 4 document View SEC filing for 4 05 Jun 2018 31 May 2018 001-15579
4 Open 4 document View SEC filing for 4 04 Jun 2018 01 Jun 2018 001-15579
4 Open 4 document View SEC filing for 4 21 May 2018 18 May 2018 001-15579
4 Open 4 document View SEC filing for 4 12 Mar 2018 08 Mar 2018 001-15579
4 Open 4 document View SEC filing for 4 06 Mar 2018 05 Mar 2018 001-15579
4 Open 4 document View SEC filing for 4 26 Feb 2018 23 Feb 2018 001-15579
4 Open 4 document View SEC filing for 4 28 Nov 2017 27 Nov 2017 001-15579
4 Open 4 document View SEC filing for 4 24 Nov 2017 22 Nov 2017 001-15579
4 Open 4 document View SEC filing for 4 21 Nov 2017 20 Nov 2017 001-15579
4 Open 4 document View SEC filing for 4 17 Nov 2017 16 Nov 2017 001-15579
4 Open 4 document View SEC filing for 4 07 Nov 2017 03 Nov 2017 001-15579
4 Open 4 document View SEC filing for 4 07 Sep 2017 01 Sep 2017 001-15579
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Aug 2017 01 Aug 2017 001-05318
4/A Open 4/A document View SEC filing for 4/A 11 May 2017 05 May 2017 001-15579
4 Open 4 document View SEC filing for 4 10 May 2017 08 May 2017 001-15579
4 Open 4 document View SEC filing for 4 09 May 2017 05 May 2017 001-15579
4 Open 4 document View SEC filing for 4 08 May 2017 04 May 2017 001-15579
4 Open 4 document View SEC filing for 4 04 May 2017 02 May 2017 001-15579
4 Open 4 document View SEC filing for 4 02 May 2017 28 Apr 2017 001-15579
4 Open 4 document View SEC filing for 4 15 Mar 2017 13 Mar 2017 001-15579
4 Open 4 document View SEC filing for 4 14 Mar 2017 10 Mar 2017 001-15579
4/A Open 4/A document View SEC filing for 4/A 14 Mar 2017 06 Mar 2017 001-15579
4 Open 4 document View SEC filing for 4 10 Mar 2017 08 Mar 2017 001-15579
4 Open 4 document View SEC filing for 4 09 Mar 2017 08 Mar 2017 001-15579
4 Open 4 document View SEC filing for 4 08 Mar 2017 06 Mar 2017 001-15579
4 Open 4 document View SEC filing for 4 02 Mar 2017 28 Feb 2017 001-15579
4 Open 4 document View SEC filing for 4 10 Aug 2016 05 Aug 2016 001-15579
4 Open 4 document View SEC filing for 4 03 Aug 2016 02 Aug 2016 001-15579
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Aug 2016 01 Aug 2016 001-05318
4 Open 4 document View SEC filing for 4 10 Mar 2016 08 Mar 2016 001-15579
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Mar 2016 01 Mar 2016 001-05318
4 Open 4 document View SEC filing for 4 03 Mar 2016 01 Mar 2016 001-15579
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 03 Mar 2016 01 Mar 2016 001-05318
4 Open 4 document View SEC filing for 4 09 Dec 2015 08 Dec 2015 001-15579
4 Open 4 document View SEC filing for 4 20 Nov 2015 18 Nov 2015 001-15579
4/A Open 4/A document View SEC filing for 4/A 16 Mar 2015 08 Mar 2015 001-15579
4 Open 4 document View SEC filing for 4 10 Mar 2015 08 Mar 2015 001-15579
4/A Open 4/A document View SEC filing for 4/A 06 Mar 2015 25 Feb 2015 001-15579
4 Open 4 document View SEC filing for 4 27 Feb 2015 25 Feb 2015 001-15579
4 Open 4 document View SEC filing for 4 16 Sep 2014 16 Sep 2014 001-15579
4/A Open 4/A document View SEC filing for 4/A 09 Sep 2014 08 Sep 2014 001-15579
4 Open 4 document View SEC filing for 4 08 Sep 2014 08 Sep 2014 001-15579
4 Open 4 document View SEC filing for 4 05 Sep 2014 03 Sep 2014 001-15579
4 Open 4 document View SEC filing for 4 11 Mar 2014 08 Mar 2014 001-15579
4 Open 4 document View SEC filing for 4 28 Feb 2014 26 Feb 2014 001-15579
4 Open 4 document View SEC filing for 4 03 Jan 2014 02 Jan 2014 001-15579
4 Open 4 document View SEC filing for 4 02 Jan 2014 27 Dec 2013 001-15579
4 Open 4 document View SEC filing for 4 06 Sep 2013 04 Sep 2013 001-15579
4 Open 4 document View SEC filing for 4 03 Jun 2013 31 May 2013 001-15579
4 Open 4 document View SEC filing for 4 24 May 2013 23 May 2013 001-15579
4 Open 4 document View SEC filing for 4 02 Apr 2013 28 Mar 2013 001-15579
4 Open 4 document View SEC filing for 4 12 Mar 2013 08 Mar 2013 001-15579
4 Open 4 document View SEC filing for 4 21 Feb 2013 20 Feb 2013 001-15579
4 Open 4 document View SEC filing for 4 26 Dec 2012 24 Dec 2012 001-15579
4 Open 4 document View SEC filing for 4 26 Dec 2012 21 Dec 2012 001-15579
4 Open 4 document View SEC filing for 4 07 Jun 2012 04 Jun 2012 001-15579
4 Open 4 document View SEC filing for 4 05 Jun 2012 01 Jun 2012 001-15579
4 Open 4 document View SEC filing for 4 05 Jun 2012 01 Jun 2012 001-15579
4 Open 4 document View SEC filing for 4 22 Mar 2012 20 Mar 2012 001-15579
4 Open 4 document View SEC filing for 4 21 Mar 2012 20 Mar 2012 001-15579
4 Open 4 document View SEC filing for 4 12 Mar 2012 08 Mar 2012 001-15579
4 Open 4 document View SEC filing for 4 21 Feb 2012 16 Feb 2012 001-15579
4 Open 4 document View SEC filing for 4 29 Dec 2011 28 Dec 2011 001-15579
4 Open 4 document View SEC filing for 4 29 Nov 2011 28 Nov 2011 001-15579
4 Open 4 document View SEC filing for 4 06 Jun 2011 02 Jun 2011 001-15579
4 Open 4 document View SEC filing for 4 10 Mar 2011 08 Mar 2011 001-15579
4 Open 4 document View SEC filing for 4 25 Feb 2011 23 Feb 2011 001-15579
4 Open 4 document View SEC filing for 4 13 Dec 2010 13 Dec 2010 001-15579
4 Open 4 document View SEC filing for 4 10 Dec 2010 08 Dec 2010 001-15579
4 Open 4 document View SEC filing for 4 17 Mar 2010 15 Mar 2010 001-15579
4 Open 4 document View SEC filing for 4 25 Feb 2010 23 Feb 2010 001-15579

About this filer

WILLIAM M. LAMBERT files with the SEC under CIK 0001187330. 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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