KOSS CORP
Designs and manufactures high-fidelity stereo headphones and related audio accessories.
KOSS | US
Overview
Corporate Details
- ISIN(s):
- US5006921085
- LEI:
- Country:
- United States of America
- Address:
- 4129 N PORT WASHINGTON AVE, 53212 MILWAUKEE
- Website:
- https://www.koss.com/
- Sector:
- Manufacturing
- Industry:
- Manufacture of consumer electronics
Description
Koss Corporation designs, manufactures, and markets high-fidelity stereo headphones and related audio accessories. The company is credited with inventing the world's first SP/3 Stereophone in 1958, a foundational development in personal audio. Its product portfolio includes a comprehensive line of headphones, such as wireless, over-ear, on-ear, and in-ear models, alongside computer and telecommunications headsets. Notable product lines include the Porta Pro and KSC75. The company also offers innovative solutions like the Utility Series, which features a detachable cord system for versatile connectivity with USB-C, Bluetooth, and 3.5mm devices.
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Filings
| Date | Filing | Language | Size | Actions | |
|---|---|---|---|---|---|
| 2025-10-30 19:23 |
10-Q
|
English | 842.0 KB | ||
| 2025-10-30 18:20 |
8-K
|
English | 121.8 KB | ||
| 2025-10-20 12:37 |
8-K
|
English | 61.5 KB | ||
| 2025-08-28 20:35 |
FY25 KOSS ANNUAL REPORT TO SHAREHOLDERS
|
English | 2.2 MB | ||
| 2025-08-28 20:30 |
DEFA14A
|
English | 352.9 KB | ||
| 2025-08-28 20:06 |
DEF 14A
|
English | 1.4 MB | ||
| 2025-08-28 19:55 |
10-K
|
English | 1.6 MB | ||
| 2025-08-28 19:20 |
8-K
|
English | 125.1 KB | ||
| 2025-06-17 19:12 |
4
|
English | 8.4 KB | ||
| 2025-06-17 19:10 |
4
|
English | 7.9 KB | ||
| 2025-05-08 20:11 |
10-Q
|
English | 839.6 KB | ||
| 2025-05-08 19:17 |
8-K
|
English | 133.9 KB | ||
| 2025-05-08 18:50 |
FORM 8-K
|
English | 68.1 KB | ||
| 2025-05-06 17:35 |
FORM SD
|
English | 12.1 KB | ||
| 2025-01-30 19:05 |
10-Q
|
English | 844.4 KB |
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Market Data
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Financials & KPIs
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Insider Transactions
| Date | Insider Name | Position | Type | Shares | Value |
|---|---|---|---|---|---|
| No insider transactions recorded for this company. | |||||
Peer Companies
