| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Lenore Lillie | Director | 2025-12-02 | 2,500 | $4.96 | $12.40kBuy |
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Michael J. Koss | 51.73% | 4,896,996 | $19.15M | Insider |
| John C. Koss | 50.05% | 4,737,851 | $18.52M | Insider |
| John C. Koss Jr. | 17.95% | 1,699,451 | $6.64M | Insider |
| Nancy L. Koss | 9.06% | 857,949 | $3.35M | Insider |
| Koss 2012 Trust Dated 12 Nancy | 8.01% | 757,949 | $2.96M | Insider |
| Vanguard Capital Management LLC | 2.00% | 189,607 | $741.36k | Institution |
| Blackrock Inc | 0.95% | 89,601 | $350.34k | Institution |
| Geode Capital Management LLC | 0.59% | 55,913 | $218.62k | Institution |
| John J. Stollenwerk | 0.34% | 32,562 | $127.32k | Insider |
| Lenore Lillie | 0.34% | 32,522 | $127.16k | Insider |