David Mangum

Entity
Individual
Insider ownership signature
/s/ Scott Semel, Attorney-in-Fact for David Mangum
All SEC filings
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David Mangum has filed 68 SEC EDGAR filings since 8/20/2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 Jan 29, 2024 Jan 26, 2024 001-40835
4 Open Document Open Filing 4 May 18, 2023 May 16, 2023 001-40835
4 Open Document Open Filing FORM 4 SUBMISSION Jun 29, 2022 May 24, 2022 001-40835
3 Open Document Open Filing FORM 3 SUBMISSION Sep 23, 2021 Sep 23, 2021 001-40835
3 Open Document Open Filing Jun 29, 2021 Jun 29, 2021 001-40555
3 Open Document Open Filing Feb 4, 2021 Feb 4, 2021 001-39998
3 Open Document Open Filing Aug 8, 2019 Aug 8, 2019 001-39022
4 Open Document Open Filing PRIMARY DOCUMENT Jul 31, 2018 Jul 29, 2018 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Jun 14, 2018 Jun 12, 2018 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Mar 2, 2018 Mar 1, 2018 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Feb 28, 2018 Feb 26, 2018 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Oct 10, 2017 Oct 5, 2017 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Aug 21, 2017 Aug 18, 2017 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Aug 11, 2017 Aug 10, 2017 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Jul 31, 2017 Jul 29, 2017 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Jul 28, 2017 Jul 26, 2017 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Mar 3, 2017 Mar 1, 2017 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Aug 22, 2016 Aug 18, 2016 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Aug 10, 2016 Aug 8, 2016 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Aug 9, 2016 Aug 5, 2016 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Aug 2, 2016 Jul 29, 2016 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Jul 28, 2016 Jul 26, 2016 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Aug 19, 2015 Aug 18, 2015 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Aug 7, 2015 Jul 30, 2015 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Aug 3, 2015 Jul 30, 2015 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Jul 28, 2015 Jul 26, 2015 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Aug 20, 2014 Aug 18, 2014 001-16111
4/A Open Document Open Filing PRIMARY DOCUMENT Aug 19, 2014 Jul 30, 2013 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Jul 31, 2014 Jul 29, 2014 001-16111
4 Open Document Open Filing PRIMARY DOCUMENT Jul 28, 2014 Jul 26, 2014 001-16111