William M. Walker

Business address
7272 Wisconsin Avenue, Suite 1300, Bethesda, MD, 20814
Top holdings (ownership)
WD
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William M. Walker has filed 120 SEC EDGAR filings since 13 Dec 2010

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing OWNERSHIP DOCUMENT 09 Dec 2025 05 Dec 2025 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 09 Sep 2025 05 Sep 2025 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 02 Jun 2025 29 May 2025 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Apr 2025 02 Apr 2025 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Mar 2025 14 Mar 2025 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 Mar 2025 06 Mar 2025 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 19 Feb 2025 14 Feb 2025 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Feb 2025 31 Jan 2025 001-35000
4/A Open Document Open Filing OWNERSHIP DOCUMENT 03 Feb 2025 18 Dec 2024 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 Dec 2024 18 Dec 2024 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 10 Dec 2024 06 Dec 2024 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 10 Sep 2024 06 Sep 2024 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Jun 2024 31 May 2024 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 22 Mar 2024 20 Mar 2024 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 19 Mar 2024 15 Mar 2024 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 Feb 2024 15 Feb 2024 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 02 Feb 2024 31 Jan 2024 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 15 Dec 2023 14 Dec 2023 001-35000
144 Open Document Open Filing 14 Dec 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Dec 2023 08 Dec 2023 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 Sep 2023 01 Sep 2023 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 Jun 2023 02 Jun 2023 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 27 Mar 2023 23 Mar 2023 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Feb 2023 15 Feb 2023 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Dec 2022 09 Dec 2022 001-35000
SC 13D/A Open Document Open Filing SC 13D/A 16 Sep 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT 07 Sep 2022 02 Sep 2022 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 07 Jun 2022 03 Jun 2022 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 14 Mar 2022 10 Mar 2022 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Feb 2022 15 Feb 2022 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 22 Dec 2021 16 Dec 2021 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 01 Dec 2021 29 Nov 2021 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Sep 2021 03 Sep 2021 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Aug 2021 17 Aug 2021 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Jun 2021 04 Jun 2021 001-35000
SC 13D/A Open Document Open Filing SC 13D/A 02 Apr 2021
4 Open Document Open Filing OWNERSHIP DOCUMENT 02 Apr 2021 31 Mar 2021 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 15 Mar 2021 11 Mar 2021 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 22 Feb 2021 18 Feb 2021 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Feb 2021 12 Feb 2021 001-35000
4 Open Document Open Filing OWNERSHIP DOCUMENT 28 Dec 2020 16 Dec 2020 001-35000
4 Open Document Open Filing 4 02 Dec 2020 30 Nov 2020 001-35000
4 Open Document Open Filing 4 10 Sep 2020 08 Sep 2020 001-35000
4 Open Document Open Filing 4 27 Aug 2020 26 Aug 2020 001-35000
4 Open Document Open Filing 4 09 Jun 2020 05 Jun 2020 001-35000
4 Open Document Open Filing 4 11 Mar 2020 09 Mar 2020 001-35000
4 Open Document Open Filing 4 06 Mar 2020 04 Mar 2020 001-35000
4 Open Document Open Filing 4 19 Feb 2020 14 Feb 2020 001-35000
4 Open Document Open Filing 4 11 Dec 2019 09 Dec 2019 001-35000
4 Open Document Open Filing 4 25 Sep 2019 13 Sep 2019 001-35000
4 Open Document Open Filing 4 11 Sep 2019 09 Sep 2019 001-35000
4 Open Document Open Filing 4 15 Aug 2019 13 Aug 2019 001-35000
4 Open Document Open Filing 4 06 Jun 2019 04 Jun 2019 001-35000
4 Open Document Open Filing 4 19 Mar 2019 15 Mar 2019 001-35000
4 Open Document Open Filing 4 11 Mar 2019 07 Mar 2019 001-35000
4 Open Document Open Filing 4 20 Feb 2019 15 Feb 2019 001-35000
4 Open Document Open Filing 4 04 Feb 2019 31 Jan 2019 001-35000
4 Open Document Open Filing 4 17 Dec 2018 07 Dec 2018 001-35000
4 Open Document Open Filing 4 06 Dec 2018 04 Dec 2018 001-35000
4 Open Document Open Filing 4 06 Sep 2018 04 Sep 2018 001-35000
4 Open Document Open Filing 4 07 Jun 2018 05 Jun 2018 001-35000
4 Open Document Open Filing 4 11 Apr 2018 09 Apr 2018 001-35000
4 Open Document Open Filing 4 19 Mar 2018 15 Mar 2018 001-35000
4 Open Document Open Filing 4 14 Mar 2018 12 Mar 2018 001-35000
4 Open Document Open Filing 4 09 Mar 2018 07 Mar 2018 001-35000
4 Open Document Open Filing 4 21 Feb 2018 16 Feb 2018 001-35000
4 Open Document Open Filing 4 16 Feb 2018 14 Feb 2018 001-35000
4 Open Document Open Filing 4 10 Jan 2018 08 Jan 2018 001-35000
4 Open Document Open Filing 4 20 Dec 2017 18 Dec 2017 001-35000
SC 13D/A Open Document Open Filing SC 13D/A 22 Nov 2017
4 Open Document Open Filing 4 17 Feb 2017 15 Feb 2017 001-35000
5 Open Document Open Filing 5 06 Jan 2017 31 Dec 2016 001-35000
4 Open Document Open Filing 4 07 Dec 2016 05 Dec 2016 001-35000
4 Open Document Open Filing 4 07 Nov 2016 03 Nov 2016 001-35000
4 Open Document Open Filing 4 07 Oct 2016 05 Oct 2016 001-35000
4 Open Document Open Filing 4 08 Sep 2016 06 Sep 2016 001-35000
4 Open Document Open Filing 4 05 Aug 2016 03 Aug 2016 001-35000
4 Open Document Open Filing 4 05 Apr 2016 01 Apr 2016 001-35000
4 Open Document Open Filing 4 23 Feb 2016 19 Feb 2016 001-35000
4 Open Document Open Filing 4 17 Feb 2016 15 Feb 2016 001-35000
5 Open Document Open Filing 5 05 Feb 2016 31 Dec 2015 001-35000
SC 13D/A Open Document Open Filing SC 13D/A 28 Dec 2015
4 Open Document Open Filing 4 18 Dec 2015 17 Dec 2015 001-35000
4 Open Document Open Filing FORM 4 SUBMISSION 22 May 2015 20 May 2015 001-35000
4 Open Document Open Filing FORM 4 SUBMISSION 01 May 2015 30 Apr 2015 001-35000
SC 13D/A Open Document Open Filing SC 13D/A 14 Apr 2015
4 Open Document Open Filing FORM 4 SUBMISSION 02 Apr 2015 01 Apr 2015 001-35000
4 Open Document Open Filing PRIMARY DOCUMENT 18 Feb 2015 15 Feb 2015 001-35000
5 Open Document Open Filing PRIMARY DOCUMENT 06 Jan 2015 31 Dec 2014 001-35000
4 Open Document Open Filing FORM 4 SUBMISSION 01 May 2014 30 Apr 2014 001-35000
4 Open Document Open Filing FORM 4 SUBMISSION 02 Apr 2014 01 Apr 2014 001-35000
4 Open Document Open Filing FORM 4 SUBMISSION 25 Mar 2014 24 Mar 2014 001-35000
4 Open Document Open Filing FORM 4 SUBMISSION 18 Mar 2014 15 Mar 2014 001-35000
4 Open Document Open Filing FORM 4 SUBMISSION 19 Feb 2014 15 Feb 2014 001-35000