John B. Walker

Business address
Nine Greenway Plaza, Suite 1300, Houston, TX, 77046
Top holdings (ownership)
MGY
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John B. Walker has filed 88 SEC EDGAR filings since 25 Sep 2006

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing OWNERSHIP DOCUMENT 25 Sep 2024 23 Sep 2024 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 15 May 2024 14 May 2024 001-38083
4 Open Document Open Filing 09 May 2024 07 May 2024 001-38083
4 Open Document Open Filing 05 May 2023 03 May 2023 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Nov 2022 08 Nov 2022 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 Jun 2022 06 Jun 2022 001-38083
4 Open Document Open Filing 05 May 2022 04 May 2022 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 14 Mar 2022 14 Mar 2022 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 07 Feb 2022 03 Feb 2022 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Oct 2021 07 Oct 2021 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 30 Sep 2021 28 Sep 2021 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 21 Jun 2021 18 Jun 2021 001-38083
4 Open Document Open Filing FORM 4 SUBMISSION 06 May 2021 04 May 2021 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 09 Mar 2021 05 Mar 2021 001-38083
4 Open Document Open Filing 4 01 Feb 2021 01 Feb 2021 001-38083
4 Open Document Open Filing FORM 4 SUBMISSION 06 May 2020 04 May 2020 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Dec 2019 18 Dec 2019 001-38083
4 Open Document Open Filing FORM 4 SUBMISSION 11 Jun 2019 07 Jun 2019 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Apr 2019 29 Mar 2019 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 09 Oct 2018 04 Oct 2018 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Sep 2018 10 Sep 2018 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 Sep 2018 04 Sep 2018 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 24 Aug 2018 16 Aug 2018 001-38083
3 Open Document Open Filing OWNERSHIP DOCUMENT 10 Aug 2018 31 Jul 2018 001-38083
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Jan 2017 13 Jan 2017 001-33024
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Dec 2016 08 Dec 2016 001-33024
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 Jan 2016 15 Jan 2016 001-33024
4 Open Document Open Filing OWNERSHIP DOCUMENT 09 Dec 2015 07 Dec 2015 001-33024
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Nov 2015 10 Nov 2015 001-33024
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Apr 2015 09 Apr 2015 001-33024
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 Jan 2015 15 Jan 2015 001-33024
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Dec 2014 10 Dec 2014 001-33024
4 Open Document Open Filing OWNERSHIP DOCUMENT 10 Dec 2014 08 Dec 2014 001-33024
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Dec 2014 05 Dec 2014 001-33024
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Nov 2014 11 Nov 2014 001-33024
4 Open Document Open Filing FORM 4 18 Jul 2014 16 Jul 2014 001-35529
4 Open Document Open Filing FORM 4 15 May 2014 14 May 2014 001-35529
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Jan 2014 15 Jan 2014 001-33024