Koss's top three insider shareholders as of April 22, 2026 are John C Jr Koss (Vice President Sales, 196.03K shares), Michael J Jr Koss (Vp Marketing Product, 26.00K shares), William Jesse Sweasy (Director, 20.00K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| John C Jr Koss | Vice President Sales | 196,028 | 0 | 17 Jun, 2025 |
| Michael J Jr Koss | Vp Marketing Product | 26,000 | 0 | 17 Jun, 2025 |
| William Jesse Sweasy | - | 20,000 | 0 | 03 Jun, 2022 |
| Lenore Lillie | Vp Operations | 2,500 | 0 | 04 Dec, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 02 Dec, 2025 | Lenore Lillie | Common Stock | A | 2,500 | $4.96 | 2,500 | D | P |
| 12 Jun, 2025 | Michael J Jr Koss | Common Stock | A | 6,000 | $1.90 | 32,000 | D | M |
| 10 Jun, 2025 | John C Jr Koss | Common Stock | A | 25,000 | $1.90 | 221,028 | D | M |
| 12 Jun, 2025 | Michael J Jr Koss | Common Stock | D | 6,000 | $4.91 | 26,000 | D | S |
| 10 Jun, 2025 | John C Jr Koss | Common Stock | D | 25,000 | $5.80 | 196,028 | D | S |
| 13 Jun, 2025 | Michael J Jr Koss | Common Stock | A | 24,643 | $1.90 | 50,643 | D | M |
| 11 Jun, 2025 | John C Jr Koss | Common Stock | A | 23,500 | $1.90 | 219,528 | D | M |
| 13 Jun, 2025 | Michael J Jr Koss | Common Stock | D | 24,643 | $4.78 | 26,000 | D | S |
| 11 Jun, 2025 | John C Jr Koss | Common Stock | D | 23,500 | $5.65 | 196,028 | D | S |
| 12 Jun, 2025 | John C Jr Koss | Common Stock | A | 1,500 | $1.90 | 197,528 | D | M |
| 12 Jun, 2025 | John C Jr Koss | Common Stock | D | 1,500 | $5.02 | 196,028 | D | S |
| 12 Jun, 2025 | Michael J Jr Koss | Stock Option (Right to Buy) | D | 6,000 | $0.00 | 59,000 | D | M |
| 13 Jun, 2025 | Michael J Jr Koss | Stock Option (Right to Buy) | D | 24,643 | $0.00 | 34,357 | D | M |
| 10 Jun, 2025 | John C Jr Koss | Stock Option (Right to Buy) | D | 25,000 | $0.00 | 25,000 | D | M |
| 11 Jun, 2025 | John C Jr Koss | Stock Option (Right to Buy) | D | 23,500 | $0.00 | 1,500 | D | M |
| 12 Jun, 2025 | John C Jr Koss | Stock Option (Right to Buy) | D | 1,500 | $0.00 | 0 | D | M |
| 12 Dec, 2024 | John C Jr Koss | Common Stock | A | 25,000 | $1.90 | 221,028 | D | M |
| 12 Dec, 2024 | John C Jr Koss | Common Stock | D | 25,000 | $7.39 | 196,028 | D | S |
| 12 Dec, 2024 | John C Jr Koss | Stock Option (Right to Buy) | D | 25,000 | $0.00 | 50,000 | D | M |
| 20 May, 2024 | John C Jr Koss | Common Stock | A | 25,000 | $2.17 | 221,028 | D | M |