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 |
|---|---|---|---|
| SD | Specialized disclosure (conflict minerals) | May 8, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | May 6, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 15, 2024 | — |
| SD | Specialized disclosure (conflict minerals) | May 18, 2023 | — |
| SD | Specialized disclosure (conflict minerals) | May 26, 2022 | — |
| SD | Specialized disclosure (conflict minerals) | Apr 28, 2021 | — |
| SD | Specialized disclosure (conflict minerals) | May 1, 2020 | — |
| SD | Specialized disclosure (conflict minerals) | May 9, 2019 | — |
| SD | Specialized disclosure (conflict minerals) | Mar 8, 2018 | — |
| SD | Specialized disclosure (conflict minerals) | May 2, 2017 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2016 | — |
| SD | Specialized disclosure (conflict minerals) | May 28, 2015 | — |
| SD | Specialized disclosure (conflict minerals) | Sep 5, 2014 | — |
| UPLOAD | Letter from the SEC | Jan 28, 2013 | — |
| CORRESP | Letter to the SEC | Jan 18, 2013 | — |
| UPLOAD | Letter from the SEC | Jan 9, 2013 | — |
| UPLOAD | Letter from the SEC | Dec 21, 2011 | — |
| CORRESP | Letter to the SEC | Dec 19, 2011 | — |
| UPLOAD | Letter from the SEC | Dec 14, 2011 | — |
| UPLOAD | Letter from the SEC | Sep 23, 2010 | — |
| CORRESP | Letter to the SEC | Sep 20, 2010 | — |
| UPLOAD | Letter from the SEC | Sep 13, 2010 | — |
| CORRESP | Letter to the SEC | Aug 30, 2010 | — |
| UPLOAD | Letter from the SEC | Aug 16, 2010 | — |
| CORRESP | Letter to the SEC | Jul 23, 2010 | — |
| CORRESP | Letter to the SEC | May 10, 2010 | — |
| CORRESP | Letter to the SEC | Mar 29, 2010 | — |
| UPLOAD | Letter from the SEC | Mar 18, 2010 | — |
| CORRESP | Letter to the SEC | Mar 12, 2010 | — |
| UPLOAD | Letter from the SEC | Mar 8, 2010 | — |
| DEFR14A | Definitive revised proxy soliciting materials | Sep 2, 2008 | — |
| UPLOAD | Letter from the SEC | Apr 4, 2008 | — |
| CORRESP | Letter to the SEC | Apr 3, 2008 | — |
| UPLOAD | Letter from the SEC | Mar 26, 2008 | — |
| 10-K405 | Form 10-k pursuant to item 405 | Aug 22, 2001 | Jun 30, 2001 |
| 10-K405 | Form 10-k, pursuant to item 405 | Sep 27, 2000 | Jun 30, 2000 |
| 10-K405 | Form 10-k | Sep 20, 1999 | Jun 30, 1999 |
| 10-K405 | Filing | Sep 27, 1996 | Jun 30, 1996 |
Showing 38 filings. 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.
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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
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- 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.