David D. Mandarich

Business address
4350 S. Monaco Street, Suite 500, Denver, CO, 80237
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David D. Mandarich has filed 127 SEC EDGAR filings since 6/18/1998

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 19, 2024 Apr 19, 2024 001-08951
SC 13D/A Open Document Open Filing AMENDMENT NO. 32 Apr 19, 2024
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Mar 7, 2024 Mar 7, 2024 001-08951
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Mar 1, 2024 Feb 29, 2024 001-08951
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 5, 2024 Feb 2, 2024 001-08951
SC 13D/A Open Document Open Filing AMENDMENT NO. 31 Jan 18, 2024
144 Open Document Open Filing May 5, 2023
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES May 5, 2023 May 5, 2023 001-08951
SC 13D/A Open Document Open Filing SC 13D/A Feb 8, 2023
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 6, 2023 Feb 3, 2023 001-08951
SC 13D/A Open Document Open Filing SC 13D/A Nov 14, 2022
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Nov 14, 2022 Nov 10, 2022 001-08951
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Sep 29, 2022 Sep 28, 2022 001-08951
SC 13D/A Open Document Open Filing SC 13D/A Feb 8, 2022
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 4, 2022 Feb 3, 2022 001-08951
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 2, 2022 Feb 1, 2022 001-08951
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Jan 3, 2022 Dec 31, 2021 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Apr 30, 2021 Apr 29, 2021 001-08951
SC 13D/A Open Document Open Filing SC 13D/A Feb 9, 2021
4 Open Document Open Filing PRIMARY DOCUMENT Feb 5, 2021 Feb 4, 2021 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Feb 5, 2021 Feb 3, 2021 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Feb 3, 2021 Feb 2, 2021 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Feb 2, 2021 Feb 1, 2021 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Jan 5, 2021 Dec 31, 2020 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Nov 16, 2020 Nov 13, 2020 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Aug 26, 2020 Aug 25, 2020 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Aug 6, 2020 Aug 5, 2020 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Aug 5, 2020 Aug 4, 2020 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Aug 4, 2020 Aug 3, 2020 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT May 7, 2020 May 5, 2020 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Apr 29, 2020 Apr 27, 2020 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Feb 13, 2020 Feb 13, 2020 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Feb 13, 2020 Feb 12, 2020 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Feb 12, 2020 Feb 11, 2020 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Feb 10, 2020 Feb 10, 2020 001-08951
SC 13D/A Open Document Open Filing SCHEDULE 13D/A Feb 7, 2020
4 Open Document Open Filing PRIMARY DOCUMENT Feb 4, 2020 Feb 3, 2020 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Feb 4, 2020 Feb 1, 2020 001-08951
4/A Open Document Open Filing PRIMARY DOCUMENT Jan 3, 2020 Dec 31, 2019 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Jan 2, 2020 Dec 31, 2019 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Aug 8, 2019 Aug 7, 2019 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Aug 7, 2019 Aug 5, 2019 001-08951
SC 13D/A Open Document Open Filing SCHEDULE 13D/A Mar 15, 2019
4 Open Document Open Filing PRIMARY DOCUMENT Mar 11, 2019 Mar 11, 2019 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Mar 8, 2019 Mar 8, 2019 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Mar 7, 2019 Mar 7, 2019 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Mar 7, 2019 Mar 6, 2019 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Mar 6, 2019 Mar 5, 2019 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Feb 26, 2019 Feb 26, 2019 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Feb 26, 2019 Feb 25, 2019 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Feb 4, 2019 Feb 1, 2019 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT Jun 11, 2018 May 23, 2018 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT May 8, 2018 May 7, 2018 001-08951
SC 13D/A Open Document Open Filing SCHEDULE 13D/A Feb 6, 2018
4 Open Document Open Filing PRIMARY DOCUMENT Feb 5, 2018 Feb 2, 2018 001-08951
SC 13D/A Open Document Open Filing SCHEDULE 13D/A Jun 7, 2017
SC 13D/A Open Document Open Filing SCHEDULE 13D/A Feb 6, 2017
4 Open Document Open Filing PRIMARY DOCUMENT Feb 3, 2017 Feb 2, 2017 001-08951
SC 13D/A Open Document Open Filing SCHEDULE 13D/A Feb 4, 2016
4 Open Document Open Filing PRIMARY DOCUMENT Feb 4, 2016 Feb 3, 2016 001-08951
4 Open Document Open Filing PRIMARY DOCUMENT May 20, 2015 May 18, 2015 001-08951
SC 13D/A Open Document Open Filing SCHEDULE 13D/A Feb 11, 2015
SC 13D/A Open Document Open Filing SCHEDULE 13D/A Feb 7, 2014