See up to 3 months of KOSS. The 7-day demo opens the 1M and 3M ranges and puts KOSS on your watchlist.
Start 7-day demoLatest KOSS insider trades
About KOSS CORP (KOSS)
The SEC lists KOSS CORP under CIK 0000056701, in household audio and video equipment. It is grouped with Information Technology companies on this site.
KOSS Form 4 activity by transaction type, last 90 days
No Form 4 activity for KOSS in the last 90 days.
KOSS insider transactions (Form 4)
166 Form 4 filings on record, the earliest from Dec 16, 2024, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
 Kim M. Schulte - Officer | Grant or award | Stock Options (Right to Buy) | 50,000 | $0.00 | - | |
 Michael J. Koss Jr. - Officer | Grant or award | Stock Options (Right to Buy) | 100,000 | $0.00 | - | |
| Michael J. Koss - Officer | Other | Common Stock | 12,000 | $0.00 | - | |
| Lenore Lillie | Open-market purchase | Common Stock | 2,500 | $4.96 | $12K | |
| John C. Koss Jr. - Officer | Option exercise | Common Stock | 25,000 | $1.90 | $48K | |
| John C. Koss Jr. - Officer | Open-market sale | Common Stock | 25,000 | $5.80 | $145K | |
| John C. Koss Jr. - Officer | Option exercise | Common Stock | 23,500 | $1.90 | $45K | |
| John C. Koss Jr. - Officer | Open-market sale | Common Stock | 23,500 | $5.65 | $133K | |
| John C. Koss Jr. - Officer | Option exercise | Common Stock | 1,500 | $1.90 | $3K | |
| John C. Koss Jr. - Officer | Open-market sale | Common Stock | 1,500 | $5.02 | $8K | |
| John C. Koss Jr. - Officer | Option exercise | Stock Option (Right to Buy) | 25,000 | $0.00 | - | |
| John C. Koss Jr. - Officer | Option exercise | Stock Option (Right to Buy) | 23,500 | $0.00 | - | |
| John C. Koss Jr. - Officer | Option exercise | Stock Option (Right to Buy) | 1,500 | $0.00 | - | |
| John C. Koss Jr. - Officer | Option exercise | Common Stock | 25,000 | $1.90 | $48K | |
| John C. Koss Jr. - Officer | Open-market sale | Common Stock | 25,000 | $7.39 | $185K | |
| John C. Koss Jr. - Officer | Option exercise | Stock Option (Right to Buy) | 25,000 | $0.00 | - |
KOSS insider trading FAQ
What is the latest insider trade for KOSS?
KOSS CORP (KOSS) has filed no insider reports in the last 90 days. The most recent on record is dated 2026-05-08. The full record for KOSS runs to 6 Form 4 filings, the earliest from 2024-12-16. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying KOSS stock?
No insider purchases of KOSS were filed in the last 90 days. 1 purchase is on record for this company.
How many insiders are selling KOSS stock?
No insider sales of KOSS were filed in the last 90 days. 4 sales are on record for this company.
Where can I see KOSS SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects KOSS Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
6The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Kim M. Schulte view on EDGAR
- - Michael J. Koss Jr. view on EDGAR
- - Michael J. Koss view on EDGAR
- - Lenore Lillie view on EDGAR
- - John C. Koss Jr. view on EDGAR
- - John C. Koss Jr. view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Information Technology
- Where KOSS's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow KOSS with a 7-day demo
- KOSS on your watchlist
- Every KOSS Form 4 filing on record
- Up to 3 months of KOSS price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
