William C. Montgomery

Business address
C/O Apache Corporation, 2000 Post Oak Blvd., Suite 100, Houston, TX, 77056
Top holdings (ownership)
EPD and APA
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William C. Montgomery has filed 90 SEC EDGAR filings since 26 Sep 2011

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 30 Jul 2025 30 Jul 2025 001-14323
4 Open Document Open Filing 10 Feb 2025 10 Feb 2025 001-14323
4 Open Document Open Filing 08 Feb 2024 08 Feb 2024 001-14323
4 Open Document Open Filing FORM 4 SUBMISSION 07 Aug 2023 04 Aug 2023 001-14323
4 Open Document Open Filing FORM 4 SUBMISSION 09 Feb 2023 09 Feb 2023 001-14323
4 Open Document Open Filing FORM 4 04 Apr 2022 31 Mar 2022 001-40144
4 Open Document Open Filing FORM 4 23 Feb 2022 22 Feb 2022 001-40144
4 Open Document Open Filing FORM 4 SUBMISSION 09 Feb 2022 08 Feb 2022 001-14323
4 Open Document Open Filing FORM 4 03 Jan 2022 31 Dec 2021 001-40144
4 Open Document Open Filing FORM 4 23 Nov 2021 22 Nov 2021 001-40144
4 Open Document Open Filing FORM 4 04 Oct 2021 30 Sep 2021 001-40144
4 Open Document Open Filing FORM 4 24 Aug 2021 23 Aug 2021 001-40144
4 Open Document Open Filing FORM 4 01 Jul 2021 30 Jun 2021 001-40144
4 Open Document Open Filing FORM 4 24 May 2021 21 May 2021 001-40144
4 Open Document Open Filing FORM 4 01 Apr 2021 31 Mar 2021 001-40144
4 Open Document Open Filing FORM 4 23 Feb 2021 22 Feb 2021 001-04300
4 Open Document Open Filing FORM 4 SUBMISSION 08 Feb 2021 04 Feb 2021 001-14323
4 Open Document Open Filing FORM 4 04 Jan 2021 31 Dec 2020 001-04300
4 Open Document Open Filing FORM 4 24 Nov 2020 23 Nov 2020 001-04300
4 Open Document Open Filing FORM 4 01 Oct 2020 30 Sep 2020 001-04300
4 Open Document Open Filing FORM 4 26 Aug 2020 21 Aug 2020 001-04300
4/A Open Document Open Filing FORM 4/A 26 Aug 2020 22 May 2020 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 01 Jul 2020 30 Jun 2020 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 26 May 2020 22 May 2020 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 01 Apr 2020 31 Mar 2020 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 25 Feb 2020 21 Feb 2020 001-04300
4 Open Document Open Filing FORM 4 SUBMISSION 20 Feb 2020 19 Feb 2020 001-14323
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jan 2020 31 Dec 2019 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 25 Nov 2019 22 Nov 2019 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 01 Oct 2019 30 Sep 2019 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 23 Aug 2019 22 Aug 2019 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 01 Jul 2019 30 Jun 2019 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 23 May 2019 22 May 2019 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 01 Apr 2019 31 Mar 2019 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 26 Feb 2019 22 Feb 2019 001-04300
4 Open Document Open Filing FORM 4 SUBMISSION 13 Feb 2019 11 Feb 2019 001-14323
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jan 2019 31 Dec 2018 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 26 Nov 2018 21 Nov 2018 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 01 Oct 2018 30 Sep 2018 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 23 Aug 2018 22 Aug 2018 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jul 2018 30 Jun 2018 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 24 May 2018 22 May 2018 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 02 Apr 2018 31 Mar 2018 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 23 Feb 2018 22 Feb 2018 001-04300
4 Open Document Open Filing FORM 4 SUBMISSION 14 Feb 2018 12 Feb 2018 001-14323
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jan 2018 31 Dec 2017 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 27 Nov 2017 22 Nov 2017 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 02 Oct 2017 30 Sep 2017 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 24 Aug 2017 22 Aug 2017 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jul 2017 30 Jun 2017 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 23 May 2017 22 May 2017 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 03 Apr 2017 31 Mar 2017 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 23 Feb 2017 22 Feb 2017 001-04300
4 Open Document Open Filing FORM 4 SUBMISSION 21 Feb 2017 16 Feb 2017 001-14323
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jan 2017 31 Dec 2016 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 28 Nov 2016 23 Nov 2016 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 04 Oct 2016 30 Sep 2016 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 23 Aug 2016 22 Aug 2016 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jul 2016 30 Jun 2016 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 25 May 2016 23 May 2016 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 01 Apr 2016 31 Mar 2016 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 23 Feb 2016 22 Feb 2016 001-04300
4 Open Document Open Filing FORM 4 SUBMISSION 17 Feb 2016 16 Feb 2016 001-14323
4 Open Document Open Filing FORM 4 SUBMISSION 11 Feb 2016 11 Feb 2016 001-14323
4 Open Document Open Filing PRIMARY DOCUMENT 04 Jan 2016 31 Dec 2015 001-04300
4 Open Document Open Filing FORM 4 SUBMISSION 07 Dec 2015 07 Dec 2015 001-14323
4 Open Document Open Filing PRIMARY DOCUMENT 24 Nov 2015 23 Nov 2015 001-04300
3 Open Document Open Filing FORM 3 SUBMISSION 08 Oct 2015 01 Oct 2015 001-14323
4 Open Document Open Filing PRIMARY DOCUMENT 01 Oct 2015 30 Sep 2015 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 27 Aug 2015 26 Aug 2015 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 24 Aug 2015 21 Aug 2015 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jul 2015 30 Jun 2015 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 22 May 2015 22 May 2015 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 01 Apr 2015 31 Mar 2015 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 25 Feb 2015 23 Feb 2015 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jan 2015 31 Dec 2014 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 25 Nov 2014 21 Nov 2014 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 01 Oct 2014 30 Sep 2014 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 25 Aug 2014 25 Aug 2014 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 18 Aug 2014 15 Aug 2014 001-04300
4 Open Document Open Filing PRIMARY DOCUMENT 21 Jul 2014 17 Jul 2014 001-04300