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 |
| 4 | Insider transaction | May 8, 2026 | May 6, 2026 |
| 4 | Insider transaction | May 8, 2026 | May 6, 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 |
| 4 | Insider transaction | Feb 17, 2026 | Feb 17, 2026 |
| 10-Q | Quarterly report | Jan 30, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 29, 2026 | Jan 29, 2026 |
| 4 | Insider transaction | Dec 4, 2025 | Dec 2, 2025 |
| 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 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 12, 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 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 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 |
| 4 | Insider transaction | May 31, 2024 | May 30, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 20, 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 |
| 3 | Initial insider ownership | Aug 21, 2023 | Oct 19, 2022 |
| 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 |
| 4 | Insider transaction | Jun 30, 2022 | Mar 23, 2022 |
| 4 | Insider transaction | Jun 30, 2022 | Mar 23, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 3, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 3, 2022 | — |
| 4 | Insider transaction | Jun 3, 2022 | Jun 2, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Mar 23, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Mar 23, 2022 |
| 4 | Insider transaction | Jun 2, 2022 | Jun 1, 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 |
| 3 | Initial insider ownership | Feb 28, 2022 | Feb 28, 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 |
| 4 | Insider transaction | Nov 2, 2021 | Nov 2, 2021 |
| 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 |
| 4 | Insider transaction | Sep 17, 2021 | Sep 15, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 8, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 8, 2021 | — |
| 4 | Insider transaction | Sep 3, 2021 | Aug 26, 2021 |
| 4 | Insider transaction | Sep 2, 2021 | Aug 31, 2021 |
| 4 | Insider transaction | Sep 2, 2021 | Aug 31, 2021 |
| 4 | Insider transaction | Aug 31, 2021 | Aug 27, 2021 |
| 4 | Insider transaction | Aug 31, 2021 | Aug 27, 2021 |
| 4 | Insider transaction | Aug 26, 2021 | Aug 25, 2021 |
| 4 | Insider transaction | Aug 26, 2021 | Aug 24, 2021 |
| 4 | Insider transaction | Aug 26, 2021 | Aug 24, 2021 |
| 4 | Insider transaction | Aug 26, 2021 | Aug 24, 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 |
| 4 | Insider transaction | Jul 2, 2021 | Jul 1, 2021 |
| 4 | Insider transaction | Jul 2, 2021 | Jul 1, 2021 |
| 4 | Insider transaction | Jun 16, 2021 | Jun 14, 2021 |
| 4 | Insider transaction | Jun 16, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 10, 2021 | Jun 8, 2021 |
| 4 | Insider transaction | Jun 3, 2021 | Jun 2, 2021 |
| 4 | Insider transaction | Jun 3, 2021 | Jun 1, 2021 |
| 4 | Insider transaction | Jun 3, 2021 | Jun 1, 2021 |
| 4 | Insider transaction | Jun 1, 2021 | May 28, 2021 |
| 4 | Insider transaction | Jun 1, 2021 | May 28, 2021 |
| 4 | Insider transaction | May 28, 2021 | May 26, 2021 |
| 4 | Insider transaction | May 19, 2021 | May 18, 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 | — |
| 4 | Insider transaction | Apr 5, 2021 | Apr 1, 2021 |
| 4 | Insider transaction | Apr 5, 2021 | Apr 1, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 16, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 16, 2021 | — |
| 4 | Insider transaction | Mar 16, 2021 | Mar 12, 2021 |
| 4 | Insider transaction | Mar 12, 2021 | Mar 10, 2021 |
| 4 | Insider transaction | Mar 12, 2021 | Mar 10, 2021 |
| 4 | Insider transaction | Mar 2, 2021 | Mar 1, 2021 |
| 4 | Insider transaction | Mar 2, 2021 | Mar 1, 2021 |
| 4 | Insider transaction | Feb 26, 2021 | Feb 25, 2021 |
| 4 | Insider transaction | Feb 26, 2021 | Feb 25, 2021 |
| 4 | Insider transaction | Feb 26, 2021 | Feb 25, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 10, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 10, 2021 | — |
| 4 | Insider transaction | Feb 5, 2021 | Feb 1, 2021 |
| 4 | Insider transaction | Feb 5, 2021 | Feb 3, 2021 |
| 4 | Insider transaction | Feb 5, 2021 | Feb 3, 2021 |
| 4 | Insider transaction | Feb 3, 2021 | Feb 1, 2021 |
| 4 | Insider transaction | Feb 3, 2021 | Feb 1, 2021 |
| 4 | Insider transaction | Feb 3, 2021 | Feb 1, 2021 |
| 4 | Insider transaction | Feb 3, 2021 | Feb 1, 2021 |
| 4 | Insider transaction | Feb 3, 2021 | Feb 1, 2021 |
| 4 | Insider transaction | Feb 3, 2021 | Feb 1, 2021 |
| 4 | Insider transaction | Feb 3, 2021 | Feb 1, 2021 |
| 4 | Insider transaction | Feb 3, 2021 | Feb 1, 2021 |
| 4 | Insider transaction | Feb 3, 2021 | Feb 1, 2021 |
| 10-Q | Quarterly report | Jan 29, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Jan 28, 2021 | Jan 28, 2021 |
| 4 | Insider transaction | Jan 27, 2021 | Jan 25, 2021 |
| 4 | Insider transaction | Jan 27, 2021 | Jan 25, 2021 |
| 4 | Insider transaction | Dec 30, 2020 | Dec 29, 2020 |
| 4 | Insider transaction | Dec 30, 2020 | Dec 29, 2020 |
| 4 | Insider transaction | Nov 12, 2020 | Nov 10, 2020 |
| 4 | Insider transaction | Nov 12, 2020 | Nov 10, 2020 |
| 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 |
| 4 | Insider transaction | Oct 6, 2020 | Oct 2, 2020 |
| 4 | Insider transaction | Oct 6, 2020 | Oct 2, 2020 |
| 4 | Insider transaction | Sep 15, 2020 | Sep 11, 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 |
| 4 | Insider transaction | Jul 23, 2020 | Jul 22, 2020 |
| 4 | Insider transaction | Jul 23, 2020 | Jul 22, 2020 |
| 4 | Insider transaction | Jul 23, 2020 | Jul 22, 2020 |
| 4 | Insider transaction | Jul 23, 2020 | Jul 22, 2020 |
| 4 | Insider transaction | Jul 23, 2020 | Jul 22, 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 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 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 |
| 4/A | Form 4/a | Sep 27, 2019 | May 29, 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 |
| 4 | Insider transaction | Jul 25, 2019 | Jul 24, 2019 |
| 4 | Insider transaction | Jul 25, 2019 | Jul 24, 2019 |
| 4 | Insider transaction | Jul 25, 2019 | Jul 24, 2019 |
| 4 | Insider transaction | Jul 25, 2019 | Jul 24, 2019 |
| 4 | Insider transaction | Jul 25, 2019 | Jul 24, 2019 |
| 4 | Insider transaction | May 30, 2019 | May 29, 2019 |
| 4 | Insider transaction | May 24, 2019 | May 23, 2019 |
| 4 | Insider transaction | May 23, 2019 | May 23, 2019 |
| 4 | Insider transaction | May 20, 2019 | May 17, 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 |
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.
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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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Source: SEC EDGAR filings. This is company-reported data, not investment advice.