Koss Corporation
Last updated September 27, 2026
Organization details
- Legal name
- Koss Corporation
- Ownership
- Public
- Status
- Active
- Headquarters country
- United States
- Ticker symbol
- KOSS
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0000056701
Board of directors
-
Lenore Lillie · DirectorSince 2022
-
Michael J. Koss · Director · President and CEOSince 2024
Chief executives
Michael J. Koss
· President and CEO
Dates unknown
Board connections
1 of this board's directors also sit on 1 other board.
- via Michael J. Koss
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Dec 12, 2024 | KOSS JOHN C JR Officer (Vice President - Sales) | Option exercise | +25,000 | $1.90 | $47,500 |
| Dec 12, 2024 | KOSS JOHN C JR Officer (Vice President - Sales) | Open-market sale | −25,000 | $7.39 | $184,750 |
| May 30, 2024 | Michael J. Koss Director, Officer (President and CEO), 10% owner | Other | −15,000 | — | — |
| May 20, 2024 | KOSS JOHN C JR Officer (Vice President - Sales) | Option exercise | +25,000 | $2.17 | $54,250 |
| May 20, 2024 | KOSS JOHN C JR Officer (Vice President - Sales) | Open-market sale | −25,000 | $5.25 | $131,250 |
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