Koss Corp SEC filings KOSS
Koss Corp has 709 filings in SEC EDGAR's recent list, going back to Feb 14, 1994. Its latest annual report, Form ARS, was filed on Aug 28, 2026 for the period ended Jun 30, 2026. The latest quarterly report (Form 10-Q) was filed on Oct 30, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations). The company's fiscal year ends on June 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Oct 30, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2026 | Oct 29, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Oct 16, 2026 | Oct 14, 2026 |
| ARS | Annual report to shareholders | Aug 28, 2026 | Jun 30, 2026 |
| DEFA14A | Additional proxy material | Aug 28, 2026 | — |
| DEF 14A | Proxy statement | Aug 28, 2026 | Aug 27, 2026 |
| 10-K | Annual report | Aug 28, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 27, 2026 | Aug 27, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 8, 2026 | — |
| 10-Q | Quarterly report | May 8, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| 10-Q | Quarterly report | Jan 30, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 29, 2026 | Jan 29, 2026 |
| 10-Q | Quarterly report | Oct 31, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2025 | Oct 30, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Oct 20, 2025 | Oct 15, 2025 |
| ARS | Annual report to shareholders | Aug 29, 2025 | Jun 30, 2025 |
| DEFA14A | Additional proxy material | Aug 29, 2025 | — |
| DEF 14A | Proxy statement | Aug 29, 2025 | Aug 28, 2025 |
| 10-K | Annual report | Aug 29, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 28, 2025 | Aug 28, 2025 |
| 10-Q | Quarterly report | May 9, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| 8-K |
Current report
Officer or director change
|
May 8, 2025 | May 6, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 6, 2025 | — |
| 10-Q | Quarterly report | Jan 31, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2025 | Jan 30, 2025 |
| 10-Q | Quarterly report | Nov 1, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2024 | Oct 31, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Oct 21, 2024 | Oct 16, 2024 |
| ARS | Annual report to shareholders | Aug 30, 2024 | Jun 30, 2024 |
| DEFA14A | Additional proxy material | Aug 30, 2024 | — |
| DEF 14A | Proxy statement | Aug 30, 2024 | Aug 29, 2024 |
| 10-K | Annual report | Aug 30, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 29, 2024 | Aug 29, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 15, 2024 | — |
| 10-Q | Quarterly report | May 10, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 9, 2024 | May 9, 2024 |
| 10-Q | Quarterly report | Feb 2, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 1, 2024 | Feb 1, 2024 |
| S-8 | Employee stock plan registration | Dec 12, 2023 | — |
| 10-Q | Quarterly report | Oct 27, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 26, 2023 | Oct 26, 2023 |
| 8-K/A |
Amended current report
Officer or director change, Shareholder vote results
|
Oct 26, 2023 | Oct 18, 2023 |
| 8-K | Current report | Oct 23, 2023 | Oct 18, 2023 |
| ARS | Annual report to shareholders | Aug 25, 2023 | Jun 30, 2023 |
| DEFA14A | Additional proxy material | Aug 25, 2023 | — |
| DEF 14A | Proxy statement | Aug 25, 2023 | Aug 24, 2023 |
| 10-K | Annual report | Aug 25, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 24, 2023 | Aug 24, 2023 |
| 8-K |
Current report
Officer or director change
|
Jul 27, 2023 | Jul 26, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 18, 2023 | — |
| 10-Q | Quarterly report | May 12, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 11, 2023 | May 11, 2023 |
| 10-Q | Quarterly report | Jan 27, 2023 | Dec 31, 2022 |
| 8-K | Current report | Jan 26, 2023 | Jan 26, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2022 | Oct 28, 2022 |
| 10-Q | Quarterly report | Oct 28, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Oct 21, 2022 | Oct 21, 2022 |
| DEF 14A | Proxy statement | Aug 26, 2022 | Aug 25, 2022 |
| 10-K | Annual report | Aug 26, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 25, 2022 | Aug 25, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 25, 2022 | Jul 25, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 26, 2022 | — |
| 10-Q | Quarterly report | May 6, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 5, 2022 | May 5, 2022 |
| 10-Q | Quarterly report | Feb 4, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Feb 3, 2022 | Feb 3, 2022 |
| 10-Q | Quarterly report | Oct 29, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2021 | Oct 28, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Oct 14, 2021 | Oct 14, 2021 |
| DEF 14A | Proxy statement | Aug 20, 2021 | Aug 19, 2021 |
| 10-K | Annual report | Aug 20, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 19, 2021 | Aug 19, 2021 |
| 8-K |
Current report
Officer or director change
|
Jul 27, 2021 | Jul 21, 2021 |
| 10-Q | Quarterly report | May 13, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 12, 2021 | May 12, 2021 |
| SD | Specialized disclosure (conflict minerals) | Apr 28, 2021 | — |
| 10-Q | Quarterly report | Jan 29, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Jan 28, 2021 | Jan 28, 2021 |
| 10-Q | Quarterly report | Nov 5, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2020 | Oct 29, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Oct 15, 2020 | Oct 14, 2020 |
| DEF 14A | Proxy statement | Aug 27, 2020 | Oct 14, 2020 |
| 10-K | Annual report | Aug 27, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 20, 2020 | Aug 20, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 23, 2020 | Jul 23, 2020 |
| 10-Q | Quarterly report | May 8, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 7, 2020 | May 7, 2020 |
| SD | Specialized disclosure (conflict minerals) | May 1, 2020 | — |
| 10-Q | Quarterly report | Jan 31, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2020 | Jan 30, 2020 |
| 10-Q | Quarterly report | Nov 12, 2019 | Sep 30, 2019 |
| 8-K | Current report | Nov 7, 2019 | Nov 7, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Oct 17, 2019 | Oct 17, 2019 |
| 10-K | Annual report | Aug 30, 2019 | Jun 30, 2019 |
| DEF 14A | Proxy statement | Aug 30, 2019 | Oct 16, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 22, 2019 | Aug 22, 2019 |
| 8-K |
Current report
Material agreement
|
May 16, 2019 | May 16, 2019 |
| 10-Q | Quarterly report | May 10, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations
|
May 9, 2019 | May 9, 2019 |
| SD | Specialized disclosure (conflict minerals) | May 9, 2019 | — |
| 8-K |
Current report
Auditor change
|
Mar 7, 2019 | Mar 7, 2019 |
| 10-Q | Quarterly report | Jan 25, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations
|
Jan 24, 2019 | Jan 24, 2019 |
| 8-K |
Current report
Officer or director change
|
Dec 18, 2018 | Dec 18, 2018 |
| 10-Q | Quarterly report | Nov 2, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2018 | Nov 1, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Oct 11, 2018 | Oct 11, 2018 |
| DEF 14A | Proxy statement | Aug 23, 2018 | Oct 10, 2018 |
| 10-K | Annual report | Aug 23, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 16, 2018 | Aug 16, 2018 |
| 10-Q | Quarterly report | May 11, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Results of operations
|
May 10, 2018 | May 10, 2018 |
| SD | Specialized disclosure (conflict minerals) | Mar 8, 2018 | — |
| 10-Q | Quarterly report | Jan 31, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2018 | Jan 30, 2018 |
| 10-Q | Quarterly report | Oct 27, 2017 | Sep 30, 2017 |
| 8-K |
Current report
Results of operations
|
Oct 25, 2017 | Oct 25, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Oct 12, 2017 | Oct 12, 2017 |
| 10-K | Annual report | Aug 25, 2017 | Jun 30, 2017 |
| DEF 14A | Proxy statement | Aug 25, 2017 | Oct 11, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 25, 2017 | Aug 24, 2017 |
| 8-K |
Current report
Officer or director change
|
May 17, 2017 | May 17, 2017 |
| 10-Q | Quarterly report | May 12, 2017 | Mar 31, 2017 |
| 8-K |
Current report
Results of operations
|
May 11, 2017 | May 11, 2017 |
| SD | Specialized disclosure (conflict minerals) | May 2, 2017 | — |
| 8-K |
Current report
Officer or director change
|
Mar 10, 2017 | Mar 9, 2017 |
| 10-Q | Quarterly report | Jan 26, 2017 | Dec 31, 2016 |
| 8-K |
Current report
Results of operations
|
Jan 26, 2017 | Jan 26, 2017 |
| 10-Q | Quarterly report | Oct 28, 2016 | Sep 30, 2016 |
| 8-K |
Current report
Results of operations
|
Oct 27, 2016 | Oct 27, 2016 |
| 8-K |
Current report
Shareholder vote results
|
Oct 13, 2016 | Oct 12, 2016 |
| DEF 14A | Proxy statement | Aug 25, 2016 | Oct 12, 2016 |
| 10-K | Annual report | Aug 25, 2016 | Jun 30, 2016 |
| 8-K |
Current report
Results of operations
|
Aug 18, 2016 | Aug 18, 2016 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2016 | — |
| 10-Q | Quarterly report | May 13, 2016 | Mar 31, 2016 |
| 8-K |
Current report
Results of operations
|
May 12, 2016 | May 12, 2016 |
| 8-K |
Current report
Material agreement
|
Feb 12, 2016 | Feb 12, 2016 |
| 10-Q | Quarterly report | Jan 29, 2016 | Dec 31, 2015 |
| 8-K |
Current report
Results of operations
|
Jan 28, 2016 | Jan 28, 2016 |
| 10-Q | Quarterly report | Oct 30, 2015 | Sep 30, 2015 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2015 | Oct 29, 2015 |
| 8-K |
Current report
Shareholder vote results
|
Oct 15, 2015 | Oct 14, 2015 |
| 10-K | Annual report | Aug 28, 2015 | Jun 30, 2015 |
| DEF 14A | Proxy statement | Aug 27, 2015 | Aug 27, 2015 |
| 8-K |
Current report
Results of operations
|
Aug 21, 2015 | Aug 20, 2015 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2015 | — |
| 10-Q | Quarterly report | May 8, 2015 | Mar 31, 2015 |
| 8-K |
Current report
Results of operations
|
May 7, 2015 | May 7, 2015 |
| 10-Q | Quarterly report | Jan 30, 2015 | Dec 31, 2014 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2015 | Jan 29, 2015 |
| 8-K |
Current report
Listing notice
|
Nov 6, 2014 | Nov 5, 2014 |
| 10-Q | Quarterly report | Oct 31, 2014 | Sep 30, 2014 |
| 8-K |
Current report
Listing notice
|
Oct 24, 2014 | Oct 24, 2014 |
| 8-K |
Current report
Results of operations
|
Oct 22, 2014 | Oct 22, 2014 |
| 8-K |
Current report
Shareholder vote results
|
Oct 15, 2014 | Oct 15, 2014 |
| SD | Specialized disclosure (conflict minerals) | Sep 5, 2014 | — |
| 10-K | Annual report | Aug 28, 2014 | Jun 30, 2014 |
| DEF 14A | Proxy statement | Aug 28, 2014 | Oct 15, 2014 |
| 8-K |
Current report
Results of operations
|
Aug 27, 2014 | Aug 27, 2014 |
| 10-Q | Quarterly report | May 15, 2014 | Mar 31, 2014 |
| 8-K |
Current report
Results of operations
|
May 14, 2014 | May 14, 2014 |
| 10-Q | Quarterly report | Feb 14, 2014 | Dec 31, 2013 |
| 8-K |
Current report
Results of operations
|
Feb 13, 2014 | Feb 13, 2014 |
| 8-K/A |
Amended current report
Shareholder vote results
|
Feb 11, 2014 | Jan 30, 2014 |
| 10-Q | Quarterly report | Nov 1, 2013 | Sep 30, 2013 |
| 8-K |
Current report
Shareholder vote results
|
Oct 25, 2013 | Oct 23, 2013 |
| 8-K |
Current report
Results of operations
|
Oct 25, 2013 | Oct 24, 2013 |
| DEF 14A | Proxy statement | Sep 5, 2013 | Oct 23, 2013 |
| 10-K | Annual report | Aug 23, 2013 | Jun 30, 2013 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2013 | Aug 6, 2013 |
| 8-K |
Current report
Material agreement
|
Jul 5, 2013 | Jul 3, 2013 |
| 10-Q | Quarterly report | May 10, 2013 | Mar 31, 2013 |
| 8-K |
Current report
Results of operations
|
Apr 25, 2013 | Apr 25, 2013 |
| 10-Q | Quarterly report | Feb 1, 2013 | Dec 31, 2012 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2013 | Jan 29, 2013 |
| UPLOAD | Letter from the SEC | Jan 28, 2013 | — |
| CORRESP | Letter to the SEC | Jan 18, 2013 | — |
| UPLOAD | Letter from the SEC | Jan 9, 2013 | — |
| S-8 | Employee stock plan registration | Nov 5, 2012 | — |
| 10-Q | Quarterly report | Nov 2, 2012 | Sep 30, 2012 |
| 8-K |
Current report
Results of operations
|
Oct 25, 2012 | Oct 24, 2012 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Oct 9, 2012 | Oct 5, 2012 |
| DEF 14A | Proxy statement | Aug 27, 2012 | Jun 30, 2012 |
| 10-K | Annual report | Aug 27, 2012 | Jun 30, 2012 |
| 8-K |
Current report
Results of operations
|
Aug 24, 2012 | Aug 23, 2012 |
| 10-Q | Quarterly report | May 11, 2012 | Mar 31, 2012 |
| 8-K |
Current report
Results of operations
|
Apr 27, 2012 | Apr 26, 2012 |
| 10-Q | Quarterly report | Feb 3, 2012 | Dec 31, 2011 |
| 8-K |
Current report
Results of operations
|
Jan 26, 2012 | Jan 26, 2012 |
| UPLOAD | Letter from the SEC | Dec 21, 2011 | — |
| CORRESP | Letter to the SEC | Dec 19, 2011 | — |
| 10-Q/A | Amended quarterly report | Dec 15, 2011 | Sep 30, 2011 |
| UPLOAD | Letter from the SEC | Dec 14, 2011 | — |
| 10-Q | Quarterly report | Oct 28, 2011 | Sep 30, 2011 |
| 8-K |
Current report
Results of operations
|
Oct 25, 2011 | Oct 25, 2011 |
| 8-K |
Current report
Other events
|
Oct 25, 2011 | Oct 24, 2011 |
| 8-K |
Current report
Shareholder vote results
|
Oct 11, 2011 | Oct 5, 2011 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Household Audio & Video Equipment (SIC 3651)
- Listed as
- KOSS (Nasdaq)
- Fiscal year ends
- June 30
- Incorporated in
- DE
- Headquarters
- Milwaukee, WI
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 56701
Other Household Audio & Video Equipment companies
- Sony Group Corp SONY
- Knowles Corp KN
- Sonos Inc SONO
- Universal Electronics Inc UEIC
- Genasys Inc. GNSS
- Emerson Radio Corp MSN
- Silynxcom Ltd. SYNX
- Integrated Media Technology Ltd IMTE
Source: SEC EDGAR filings. This is company-reported data, not investment advice.