KOSS CORP (KOSS) Form 8-K Material Events
KOSS CORP (KOSS) is a publicly traded company on the Nasdaq, categorized under SIC 3651 (Household Audio & Video Equipment). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: KOSS
CIK: 56701
Exchange: Nasdaq
SIC 3651: Household Audio & Video Equipment
Fiscal Year End: 06/30
State: DE
Independent PCAOB Auditor
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Audit Firm
Wipfli LLP
Auditor SinceSince 6/30/2019 12:00:00 AM
Lead Engagement PartnerTracy Heideman
Audit LocationRadnor, Pennsylvania, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 8-K | 2026-10-16 | 2026-10-14 | 8-K | 0000056701-26-000041 | View SEC Doc Filr Page |
| ARS | 2026-08-28 | 2026-06-30 | ANNUAL REPORT FY26 | 0000056701-26-000039 | View SEC Doc Filr Page |
| DEFA14A | 2026-08-28 | — | DEFA14A | 0000056701-26-000038 | View SEC Doc Filr Page |
| DEF 14A | 2026-08-28 | 2026-08-27 | DEF 14A | 0000056701-26-000036 | View SEC Doc Filr Page |
| 10-K | 2026-08-28 | 2026-06-30 | 10-K | 0000056701-26-000034 | View SEC Doc Filr Page |
| 8-K | 2026-08-27 | 2026-08-27 | 8-K | 0000056701-26-000032 | View SEC Doc Filr Page |
| 4 | 2026-05-08 | 2026-05-06 | 4 | 0001193125-26-214741 | View SEC Doc Filr Page |
| 4 | 2026-05-08 | 2026-05-06 | 4 | 0001193125-26-214740 | View SEC Doc Filr Page |
| SD | 2026-05-08 | — | FORM SD | 0000056701-26-000019 | View SEC Doc Filr Page |
| 10-Q | 2026-05-08 | 2026-03-31 | 10-Q | 0000056701-26-000017 | View SEC Doc Filr Page |
| 8-K | 2026-05-07 | 2026-05-07 | 8-K | 0000056701-26-000015 | View SEC Doc Filr Page |
| 4 | 2026-02-17 | 2026-02-17 | 4 | 0001193125-26-054822 | View SEC Doc Filr Page |
| 10-Q | 2026-01-30 | 2025-12-31 | 10-Q | 0000056701-26-000008 | View SEC Doc Filr Page |
| 8-K | 2026-01-29 | 2026-01-29 | 8-K | 0000056701-26-000006 | View SEC Doc Filr Page |
| 4 | 2025-12-04 | 2025-12-02 | 4 | 0001193125-25-308136 | View SEC Doc Filr Page |
| 10-Q | 2025-10-31 | 2025-09-30 | 10-Q | 0000056701-25-000059 | View SEC Doc Filr Page |
| 8-K | 2025-10-30 | 2025-10-30 | 8-K | 0000056701-25-000057 | View SEC Doc Filr Page |
| 8-K | 2025-10-20 | 2025-10-15 | 8-K | 0000056701-25-000052 | View SEC Doc Filr Page |
| ARS | 2025-08-29 | 2025-06-30 | FY25 KOSS ANNUAL REPORT TO SHAREHOLDERS | 0000056701-25-000049 | View SEC Doc Filr Page |
| DEFA14A | 2025-08-29 | — | DEFA14A | 0000056701-25-000048 | View SEC Doc Filr Page |
| DEF 14A | 2025-08-29 | 2025-08-28 | DEF 14A | 0000056701-25-000046 | View SEC Doc Filr Page |
| 10-K | 2025-08-29 | 2025-06-30 | 10-K | 0000056701-25-000044 | View SEC Doc Filr Page |
| 8-K | 2025-08-28 | 2025-08-28 | 8-K | 0000056701-25-000042 | View SEC Doc Filr Page |
| 4 | 2025-06-17 | 2025-06-10 | 4 | 0000950170-25-087506 | View SEC Doc Filr Page |
| 4 | 2025-06-17 | 2025-06-12 | 4 | 0000950170-25-087503 | View SEC Doc Filr Page |