Michael J. Koss is CEO & President at KOSS CORP (KOSS). They have made 32 open-market trades across 1 company since 2006, most recently 2026-02-17.
12 open-market purchases totalling $132K since 2008, against 20 sales. Across 12 scored buys the stock is up 0.5% at ninety days, and 0.1 points ahead of the S&P over the same stretch.
12 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 8% | 100% | 92% |
| Avg Move | -7.1% | +1.3% | +0.5% |
| Alpha | -1.9% | +0.9% | +0.1% |
| Scored | 12 | 12 | 12 |
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 80% | 80% | 80% |
| Avg Move | -1.6% | -17.7% | -13.4% |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| KOSS | SELL | 2025-06-12 | 2025-06-17 | $4.79 | $265K | +5.4% | +9.9% | +19.7% |
| KOSS | SELL | 2021-09-15 | 2021-09-17 | $17.74 | $855K | -7.2% | +1.9% | -29.8% |
| KOSS | SELL | 2021-08-31 | 2021-09-02 | $18.52 | $356K | -5.4% | -13.5% | -28.9% |
| KOSS | SELL | 2021-08-27 | 2021-08-31 | $18.18 | $182K | +1.1% | -11.9% | -24.4% |
| KOSS | SELL | 2021-08-26 | 2021-09-03 | $18.33 | $156K | -2.6% | -13.3% | -28.1% |
| KOSS | SELL | 2021-08-25 | 2021-08-26 | $18.01 | $540K | +7.9% | -3.9% | -16.6% |
| KOSS | SELL | 2021-08-24 | 2021-08-26 | $19.74 | $326K | +7.9% | -3.9% | -16.6% |
| KOSS | SELL | 2021-06-15 | 2021-06-16 | $24.30 | $243K | +6.4% | -20.4% | -21.8% |
| KOSS | SELL | 2021-06-02 | 2021-06-03 | $40.51 | $405K | -19.4% | -31.6% | -40.0% |
| KOSS | SELL | 2021-06-01 | 2021-06-03 | $27.96 | $2.4M | -19.4% | -31.6% | -40.0% |
| KOSS | SELL | 2021-05-26 | 2021-05-28 | $21.26 | $191K | +0.2% | -1.1% | -27.8% |
| KOSS | SELL | 2021-03-12 | 2021-03-16 | $29.99 | $247K | -23.7% | -30.8% | -8.7% |
| KOSS | SELL | 2021-03-10 | 2021-03-12 | $33.01 | $2.3M | -45.7% | -36.9% | -18.6% |
| KOSS | SELL | 2021-02-25 | 2021-02-26 | $27.72 | $2.6M | +80.0% | +26.0% | +35.7% |
| KOSS | SELL | 2021-02-25 | 2021-02-26 | $32.45 | $487K | +80.0% | +26.0% | +35.7% |
| KOSS | SELL | 2021-02-03 | 2021-02-05 | $26.67 | $960K | -27.3% | -3.9% | -14.9% |
| KOSS | SELL | 2021-02-01 | 2021-02-03 | $35.75 | $5.2M | -39.6% | -38.4% | -25.2% |
| KOSS | SELL | 2021-02-01 | 2021-02-03 | $40.73 | $14.8M | -39.6% | -38.4% | -25.2% |
| KOSS | BUY | 2017-05-17 | 2017-05-19 | $1.67 | $7K | +6.3% | +6.3% | -3.4% |
| KOSS | BUY | 2014-11-19 | 2014-11-19 | $1.55 | $16K | -8.3% | +0.9% | +0.9% |
| KOSS | BUY | 2014-11-11 | 2014-11-12 | $1.64 | $10K | -8.3% | +0.9% | +0.9% |
| KOSS | BUY | 2014-11-07 | 2014-11-07 | $1.50 | $3K | -8.3% | +0.9% | +0.9% |
| KOSS | BUY | 2014-11-06 | 2014-11-06 | $1.59 | $8K | -8.3% | +0.9% | +0.9% |
| KOSS | BUY | 2014-11-06 | 2014-11-06 | $1.80 | $18K | -8.3% | +0.9% | +0.9% |
| KOSS | BUY | 2014-11-06 | 2014-11-06 | $1.73 | $9K | -8.3% | +0.9% | +0.9% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| Scored | 5 | 5 | 5 |