MICHAEL B. GUSTAFSON SEC EDGAR Filings (CIK 0001245081)

SEC EDGAR filings, ownership reports, and insider transactions for 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

Recent SEC filings for MICHAEL B. GUSTAFSON including 4, 144, 5 and more.

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

About this filer

MICHAEL B. GUSTAFSON files with the SEC under CIK 0001245081. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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