MICHAEL B. GUSTAFSON

Business address
380 Interlocken Crescent, Broomfield, CO, 80021
Top holdings (ownership)
PDFS and MRAM
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MICHAEL B. GUSTAFSON has filed 56 SEC EDGAR filings since 25 Jun 2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 02 Jul 2025 01 Jul 2025 000-31311
4 Open Document Open Filing 14 May 2025 13 May 2025 000-31311
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Mar 2025 28 Feb 2025 001-39790
4 Open Document Open Filing 25 Feb 2025 24 Feb 2025 000-31311
4 Open Document Open Filing PRIMARY DOCUMENT 20 Feb 2025 19 Feb 2025 001-39790
4 Open Document Open Filing 02 Jul 2024 01 Jul 2024 000-31311
4 Open Document Open Filing PRIMARY DOCUMENT 12 Jun 2024 10 Jun 2024 001-39790
4 Open Document Open Filing 14 Dec 2023 12 Dec 2023 000-31311
144 Open Document Open Filing 12 Dec 2023
4 Open Document Open Filing 05 Jul 2023 01 Jun 2023 000-31311
4 Open Document Open Filing PRIMARY DOCUMENT 29 Jun 2023 27 Jun 2023 001-39790
4 Open Document Open Filing PRIMARY DOCUMENT 14 Jun 2023 13 Jun 2023 001-39790
4 Open Document Open Filing 02 Mar 2023 28 Feb 2023 000-31311
5 Open Document Open Filing PRIMARY DOCUMENT 18 Jan 2023 31 Dec 2022 001-39790
4 Open Document Open Filing 17 Nov 2022 15 Nov 2022 000-31311
4 Open Document Open Filing FORM 4 SUBMISSION 19 Aug 2022 17 Aug 2022 001-37900
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jul 2022 06 Jul 2022 001-39790
4 Open Document Open Filing 05 Jul 2022 01 Jul 2022 000-31311
4 Open Document Open Filing FORM 4 SUBMISSION 04 Feb 2022 22 Jul 2021 001-39790
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Nov 2021 17 Nov 2021 001-37900
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Nov 2021 10 May 2021 001-37900
4 Open Document Open Filing 15 Nov 2021 12 Nov 2021 000-31311
4 Open Document Open Filing FORM 4 SUBMISSION 26 Jul 2021 22 Jul 2021 001-39790
3 Open Document Open Filing FORM 3 SUBMISSION 26 Jul 2021 22 Jul 2021 001-39790
4 Open Document Open Filing OWNERSHIP DOCUMENT 02 Jul 2021 01 Jul 2021 000-31311
4 Open Document Open Filing FORM 4 04 Aug 2020 01 Aug 2020 000-31311
4 Open Document Open Filing FORM 4 SUBMISSION 20 May 2020 19 May 2020 001-37900
4 Open Document Open Filing FORM 4 07 Nov 2019 05 Nov 2019 000-31311
4 Open Document Open Filing FORM 4 03 Jul 2019 01 Jul 2019 000-31311
4 Open Document Open Filing FORM 4 14 Jun 2019 13 Jun 2019 000-31311
4 Open Document Open Filing FORM 4 SUBMISSION 22 May 2019 21 May 2019 001-37900
4 Open Document Open Filing FORM 4 02 Nov 2018 01 Nov 2018 000-31311
3 Open Document Open Filing FORM 3 04 Sep 2018 25 Aug 2018 000-31311
4 Open Document Open Filing FORM 4 SUBMISSION 22 May 2018 21 May 2018 001-37900
4 Open Document Open Filing FORM 4 SUBMISSION 13 Feb 2018 12 Feb 2018 001-37900
4 Open Document Open Filing FORM 4 SUBMISSION 28 Mar 2017 24 Mar 2017 001-37900
3 Open Document Open Filing FORM 3 SUBMISSION 28 Mar 2017 24 Mar 2017 001-37900