Douglas L. Young

Business address
2140 Lake Park Blvd, Richardson, TX, 75080
Top holdings (ownership)
LII
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Douglas L. Young has filed 113 SEC EDGAR filings since 23 Oct 2006

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT 29 Apr 2025 29 Apr 2025 001-42492
4 Open Document Open Filing PRIMARY DOCUMENT 17 May 2024 15 May 2024 000-50924
144 Open Document Open Filing 01 Aug 2023
144 Open Document Open Filing 28 Jul 2023
4 Open Document Open Filing PRIMARY DOCUMENT 19 May 2023 17 May 2023 000-50924
4 Open Document Open Filing PRIMARY DOCUMENT 17 Mar 2023 15 Mar 2023 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 14 Dec 2022 13 Dec 2022 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 12 Dec 2022 09 Dec 2022 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 17 Mar 2022 15 Mar 2022 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 14 Mar 2022 10 Mar 2022 000-50924
5 Open Document Open Filing PRIMARY DOCUMENT 05 Jan 2022 31 Dec 2021 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 14 Dec 2021 10 Dec 2021 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 08 Dec 2021 07 Dec 2021 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 28 Jul 2021 27 Jul 2021 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jul 2021 01 Jul 2021 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 16 Jun 2021 15 Jun 2021 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 20 May 2021 19 May 2021 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 30 Apr 2021 29 Apr 2021 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 17 Mar 2021 15 Mar 2021 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 23 Feb 2021 19 Feb 2021 000-50924
4 Open Document Open Filing PRIMARY DOCUMENT 15 Dec 2020 11 Dec 2020 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 10 Dec 2020 08 Dec 2020 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 10 Nov 2020 06 Nov 2020 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 27 Aug 2020 25 Aug 2020 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 30 Jul 2020 28 Jul 2020 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 21 Jul 2020 17 Jul 2020 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 15 May 2020 14 May 2020 000-50924
4 Open Document Open Filing PRIMARY DOCUMENT 17 Mar 2020 13 Mar 2020 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 13 Feb 2020 11 Feb 2020 000-50924
4 Open Document Open Filing PRIMARY DOCUMENT 17 Dec 2019 13 Dec 2019 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 11 Dec 2019 09 Dec 2019 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 19 Mar 2019 15 Mar 2019 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 19 Feb 2019 15 Feb 2019 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 13 Feb 2019 12 Feb 2019 000-50924
4 Open Document Open Filing PRIMARY DOCUMENT 12 Dec 2018 11 Dec 2018 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 11 Dec 2018 07 Dec 2018 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 19 Mar 2018 15 Mar 2018 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 15 Feb 2018 13 Feb 2018 000-50924
4 Open Document Open Filing PRIMARY DOCUMENT 15 Dec 2017 14 Dec 2017 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 14 Dec 2017 12 Dec 2017 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 12 Dec 2017 08 Dec 2017 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 01 Nov 2017 31 Oct 2017 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 30 Oct 2017 26 Oct 2017 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 16 Mar 2017 15 Mar 2017 001-15149
4 Open Document Open Filing FORM 4 - 14 Feb 2017 10 Feb 2017 000-50924
4 Open Document Open Filing PRIMARY DOCUMENT 13 Dec 2016 12 Dec 2016 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 12 Dec 2016 09 Dec 2016 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 18 Oct 2016 17 Oct 2016 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 16 Aug 2016 15 Aug 2016 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 21 Jun 2016 20 Jun 2016 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 16 Mar 2016 15 Mar 2016 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 01 Mar 2016 29 Feb 2016 001-15149
4 Open Document Open Filing FORM 4 - 11 Feb 2016 09 Feb 2016 000-50924
4 Open Document Open Filing PRIMARY DOCUMENT 15 Dec 2015 11 Dec 2015 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 07 Dec 2015 04 Dec 2015 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 11 Jun 2015 10 Jun 2015 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 29 May 2015 28 May 2015 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 28 May 2015 26 May 2015 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 16 Mar 2015 13 Mar 2015 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 04 Mar 2015 02 Mar 2015 001-15149
4 Open Document Open Filing FORM 4 - 13 Feb 2015 11 Feb 2015 000-50924
4 Open Document Open Filing PRIMARY DOCUMENT 16 Dec 2014 12 Dec 2014 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 09 Dec 2014 08 Dec 2014 001-15149
4 Open Document Open Filing FORM 4 - 17 Oct 2014 16 Oct 2014 000-50924
3 Open Document Open Filing FORM 3 - 15 Oct 2014 15 Oct 2014 000-50924
4 Open Document Open Filing PRIMARY DOCUMENT 17 Mar 2014 14 Mar 2014 001-15149
4 Open Document Open Filing PRIMARY DOCUMENT 26 Feb 2014 24 Feb 2014 001-15149
5 Open Document Open Filing PRIMARY DOCUMENT 12 Feb 2014 31 Dec 2013 001-15149
4/A Open Document Open Filing PRIMARY DOCUMENT 12 Feb 2014 26 Feb 2010 001-15149
3/A Open Document Open Filing PRIMARY DOCUMENT 12 Feb 2014 23 Oct 2006 001-15149