Entity Type
Individual
Filer Snapshot
Michael J. Koss Jr.
CIK 0001680965. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.
Total Filings
17
Latest Filing
08 May 2026
Industry
n/a
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Best next click
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- Open 13F if you want portfolio holdings.
- Open 13D/G or insider pages only when this CIK has those rows.
Source: SEC Forms 3/4/5
View Source Filing
4 filed on 08 May 2026 for CIK 0001680965.
- Business address
- 4129 N Port Washington Avenue, Milwaukee, WI, 53212
- Top holdings (ownership)
- KOSS
Filer intelligence
What SEC filings say about Michael J. Koss Jr.
A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.
Quick read
- Forms 3/4/5 show insider context for KOSS worth $93.1K.
SEC source mix
Counts show available parsed rows, not one combined ownership total.
Forms 3/4/5 insider context
KOSS
06 May 2026 ยท Executive Vice President
Latest update
What changed recently for Michael J. Koss Jr.
Latest ownership report period: 06 May 2026. Open the source-backed page to inspect the fresh filing or facts context.
Update date
08 May 2026
Page type
Ownership filings
Latest period
06 May 2026
Ownership context was refreshed from SEC Forms 3/4/5 filed on 08 May 2026.
Filer Overview
Michael J. Koss Jr. has filed 17 SEC EDGAR filings since 28 Jul 2016. Common forms include 4, SC 13D/A, 3/A, 3.
Latest Filings
Recent SEC filings for Michael J. Koss Jr. with direct links to document and filing folders.
4
File 000-03295
4
- Filing date
- 08 May 2026
- Reporting date
- 06 May 2026
- SEC evidence
- Open document Open filing
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4
File 000-03295
4
- Filing date
- 17 Jun 2025
- Reporting date
- 12 Jun 2025
- SEC evidence
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4
File 000-03295
FORM 4 SUBMISSION
- Filing date
- 17 Sep 2021
- Reporting date
- 15 Sep 2021
- SEC evidence
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4
File 000-03295
FORM 4 SUBMISSION
- Filing date
- 26 Aug 2021
- Reporting date
- 25 Aug 2021
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4
File 000-03295
FORM 4 SUBMISSION
- Filing date
- 16 Jun 2021
- Reporting date
- 15 Jun 2021
- SEC evidence
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4
File 000-03295
FORM 4 SUBMISSION
- Filing date
- 03 Jun 2021
- Reporting date
- 02 Jun 2021
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4
File 000-03295
FORM 4 SUBMISSION
- Filing date
- 26 Feb 2021
- Reporting date
- 25 Feb 2021
- SEC evidence
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SC 13D/A
SC 13D/A filing
- Filing date
- 10 Feb 2021
- Reporting date
- Not listed
- SEC evidence
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4
File 000-03295
FORM 4 SUBMISSION
- Filing date
- 03 Feb 2021
- Reporting date
- 01 Feb 2021
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4
File 000-03295
FORM 4 SUBMISSION
- Filing date
- 06 Oct 2020
- Reporting date
- 02 Oct 2020
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4
File 000-03295
FORM 4 SUBMISSION
- Filing date
- 23 Jul 2020
- Reporting date
- 22 Jul 2020
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4
File 000-03295
FORM 4
- Filing date
- 25 Jul 2019
- Reporting date
- 24 Jul 2019
- SEC evidence
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4
File 000-03295
FORM 4
- Filing date
- 27 Jul 2018
- Reporting date
- 25 Jul 2018
- SEC evidence
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4
File 000-03295
FORM 4
- Filing date
- 27 Jul 2017
- Reporting date
- 26 Jul 2017
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3/A
File 000-03295
FORM 3/A
- Filing date
- 29 Jul 2016
- Reporting date
- 01 Jul 2016
- SEC evidence
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4
File 000-03295
FORM 4
- Filing date
- 28 Jul 2016
- Reporting date
- 27 Jul 2016
- SEC evidence
- Open document Open filing
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3
File 000-03295
FORM 3
- Filing date
- 28 Jul 2016
- Reporting date
- 01 Jul 2016
- SEC evidence
- Open document Open filing
- Next action
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About this filer
Michael J. Koss Jr. files with the SEC under CIK 0001680965. This page aggregates EDGAR filings and related ownership activity.
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.