Michael J. Koss Jr SEC EDGAR Filings (CIK 0001680965)

SEC EDGAR filings, ownership reports, and insider transactions for Michael J. Koss Jr.

Business address
4129 N Port Washington Avenue, Milwaukee, WI, 53212
Top holdings (ownership)
KOSS
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Michael J. Koss Jr has filed 16 SEC EDGAR filings since 28 Jul 2016

Latest Filings

Recent SEC filings for Michael J. Koss Jr including 4, SC 13D/A, 3/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 4 17 Jun 2025 12 Jun 2025 000-03295
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Sep 2021 15 Sep 2021 000-03295
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 Aug 2021 25 Aug 2021 000-03295
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Jun 2021 15 Jun 2021 000-03295
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jun 2021 02 Jun 2021 000-03295
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 Feb 2021 25 Feb 2021 000-03295
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 10 Feb 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Feb 2021 01 Feb 2021 000-03295
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Oct 2020 02 Oct 2020 000-03295
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Jul 2020 22 Jul 2020 000-03295
4 Open 4 document View SEC filing for 4 FORM 4 25 Jul 2019 24 Jul 2019 000-03295
4 Open 4 document View SEC filing for 4 FORM 4 27 Jul 2018 25 Jul 2018 000-03295
4 Open 4 document View SEC filing for 4 FORM 4 27 Jul 2017 26 Jul 2017 000-03295
3/A Open 3/A document View SEC filing for 3/A FORM 3/A 29 Jul 2016 01 Jul 2016 000-03295
4 Open 4 document View SEC filing for 4 FORM 4 28 Jul 2016 27 Jul 2016 000-03295
3 Open 3 document View SEC filing for 3 FORM 3 28 Jul 2016 01 Jul 2016 000-03295

About this filer

Michael J. Koss Jr files with the SEC under CIK 0001680965. 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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