David B. Blundin

Business address
C/O Microstrategy Inc, 1861 International Dr, Mclean, VA, 22102
Top holdings (ownership)
EVER
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David B. Blundin has filed 115 SEC EDGAR filings since 21 Nov 2002

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13D/A Open Document Open Filing 13 Aug 2025
4 Open Document Open Filing 4 12 Aug 2025 10 Aug 2025 001-38549
4 Open Document Open Filing 4 29 May 2025 29 May 2025 001-38549
4 Open Document Open Filing 4 27 Mar 2025 25 Mar 2025 001-38549
4 Open Document Open Filing 4 26 Mar 2025 24 Mar 2025 001-38549
SCHEDULE 13D/A Open Document Open Filing 25 Mar 2025
144 Open Document Open Filing 25 Mar 2025
4 Open Document Open Filing 4 24 Mar 2025 20 Mar 2025 001-38549
4 Open Document Open Filing 4 20 Mar 2025 19 Mar 2025 001-38549
144 Open Document Open Filing 19 Mar 2025
4 Open Document Open Filing 4 04 Mar 2025 28 Feb 2025 001-38549
4 Open Document Open Filing 4 28 Feb 2025 26 Feb 2025 001-38549
144 Open Document Open Filing 26 Feb 2025
SC 13D/A Open Document Open Filing SC 13D/A 05 Sep 2024
4 Open Document Open Filing 4 08 Aug 2024 06 Aug 2024 001-38549
144 Open Document Open Filing 06 Aug 2024
4 Open Document Open Filing 4 05 Aug 2024 01 Aug 2024 001-38549
4 Open Document Open Filing 4 31 Jul 2024 29 Jul 2024 001-38549
4 Open Document Open Filing 4 14 Jun 2024 12 Jun 2024 001-38549
4 Open Document Open Filing 4 11 Jun 2024 07 Jun 2024 001-38549
4 Open Document Open Filing 4 08 May 2024 06 May 2024 001-38549
SC 13D/A Open Document Open Filing SC 13D/A 07 May 2024
144 Open Document Open Filing 07 May 2024
4 Open Document Open Filing 4 06 May 2024 02 May 2024 001-38549
144 Open Document Open Filing 02 May 2024
4 Open Document Open Filing 4 02 May 2024 30 Apr 2024 001-38549
4 Open Document Open Filing 4 19 Apr 2024 17 Apr 2024 001-38549
4 Open Document Open Filing 4 15 Apr 2024 12 Apr 2024 001-38549
4 Open Document Open Filing 4 08 Apr 2024 04 Apr 2024 001-38549
4 Open Document Open Filing 4 19 Mar 2024 15 Mar 2024 001-38549
SC 13D/A Open Document Open Filing SC 13D/A 15 Mar 2024
4 Open Document Open Filing 4 15 Mar 2024 13 Mar 2024 001-38549
4 Open Document Open Filing 4 13 Mar 2024 07 Mar 2024 001-38549
4 Open Document Open Filing 4 28 Feb 2024 26 Feb 2024 001-38549
144 Open Document Open Filing 27 Feb 2024
4 Open Document Open Filing 4 26 Feb 2024 22 Feb 2024 001-38549
144 Open Document Open Filing 22 Feb 2024
4/A Open Document Open Filing 4/A 20 Feb 2024 09 Feb 2024 001-38549
SC 13D/A Open Document Open Filing SC 13D/A 20 Feb 2024
4 Open Document Open Filing 4 13 Feb 2024 09 Feb 2024 001-38549
144 Open Document Open Filing 09 Feb 2024
SC 13D/A Open Document Open Filing SC 13D/A 25 Apr 2023
SC 13D/A Open Document Open Filing SC 13D/A 03 Mar 2022
4 Open Document Open Filing FORM 4 SUBMISSION 24 Feb 2022 23 Feb 2022 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 14 Feb 2022 10 Feb 2022 001-38549
SC 13D Open Document Open Filing SC 13D 09 Feb 2022
4 Open Document Open Filing FORM 4 SUBMISSION 31 Jan 2022 28 Jan 2022 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 26 Jan 2022 25 Jan 2022 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 25 Jan 2022 21 Jan 2022 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 10 Jan 2022 07 Jan 2022 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 07 Jan 2022 06 Jan 2022 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 05 Jan 2022 04 Jan 2022 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 30 Dec 2021 29 Dec 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 21 Dec 2021 20 Dec 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 15 Dec 2021 14 Dec 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 14 Dec 2021 13 Dec 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 07 Dec 2021 06 Dec 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 26 Nov 2021 23 Nov 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 22 Nov 2021 19 Nov 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 17 Nov 2021 16 Nov 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 16 Nov 2021 15 Nov 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 12 Nov 2021 10 Nov 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 10 Nov 2021 09 Nov 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 09 Nov 2021 08 Nov 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 08 Nov 2021 05 Nov 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 05 Nov 2021 04 Nov 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 02 Sep 2021 31 Aug 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 09 Jun 2021 21 May 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 03 Mar 2021 01 Mar 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 01 Mar 2021 25 Feb 2021 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 25 Feb 2021 23 Feb 2021 001-38549
SC 13G/A Open Document Open Filing SC 13G/A 09 Feb 2021
4/A Open Document Open Filing FORM 4/A SUBMISSION 28 Dec 2020 30 Jul 2020 001-38549
4/A Open Document Open Filing FORM 4/A SUBMISSION 28 Dec 2020 03 Jun 2020 001-38549
4/A Open Document Open Filing FORM 4/A SUBMISSION 28 Dec 2020 19 May 2020 001-38549
4/A Open Document Open Filing FORM 4/A SUBMISSION 28 Dec 2020 13 May 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 03 Aug 2020 30 Jul 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 13 Jul 2020 09 Jul 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 09 Jul 2020 07 Jul 2020 001-38549
4 Open Document Open Filing PRIMARY DOCUMENT 07 Jul 2020 01 Jul 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 30 Jun 2020 26 Jun 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 26 Jun 2020 24 Jun 2020 001-38549
SC 13G/A Open Document Open Filing SC 13G/A 25 Jun 2020
4 Open Document Open Filing FORM 4 SUBMISSION 24 Jun 2020 22 Jun 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 22 Jun 2020 18 Jun 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 18 Jun 2020 16 Jun 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 16 Jun 2020 12 Jun 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 15 Jun 2020 10 Jun 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 10 Jun 2020 08 Jun 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jun 2020 04 Jun 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 04 Jun 2020 02 Jun 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 03 Jun 2020 01 Jun 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 01 Jun 2020 28 May 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 21 May 2020 19 May 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 19 May 2020 15 May 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 14 May 2020 13 May 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 11 May 2020 07 May 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 12 Mar 2020 10 Mar 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 09 Mar 2020 05 Mar 2020 001-38549
SC 13G/A Open Document Open Filing SC 13G/A 02 Mar 2020
4 Open Document Open Filing FORM 4 SUBMISSION 21 Feb 2020 19 Feb 2020 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 18 Feb 2020 13 Feb 2020 001-38549
3/A Open Document Open Filing FORM 3/A SUBMISSION 11 Feb 2020 27 Jun 2018 001-38549
SC 13G/A Open Document Open Filing SC 13G/A 10 Feb 2020
5 Open Document Open Filing FORM 5 SUBMISSION 04 Feb 2020 31 Dec 2019 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 09 Dec 2019 05 Dec 2019 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 20 Nov 2019 19 Nov 2019 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 01 Nov 2019 30 Oct 2019 001-38549
4 Open Document Open Filing FORM 4 SUBMISSION 04 Mar 2019 28 Feb 2019 001-38549
SC 13G Open Document Open Filing SC 13G 14 Feb 2019
4 Open Document Open Filing FORM 4 SUBMISSION 03 Jul 2018 02 Jul 2018 001-38549
3 Open Document Open Filing FORM 3 SUBMISSION 27 Jun 2018 27 Jun 2018 001-38549