Insider · CIK 0001217521
John C Koss Jr
Files at KOSS (KOSS CORP). First filing Dec 16, 2024, latest Jun 17, 2025.
In brief
John C Koss Jr files SEC Form 4 as officer at KOSS (KOSS CORP). Since Dec 16, 2024, John C Koss Jr has reported 0 open-market buys worth $0 and 2 open-market sells worth $470k, the latest filed on Jun 17, 2025.
A track record needs three past buys with six months of prices behind them; John C Koss Jr has 0, so none is measured yet.
The newest scored trade: sold $285k of KOSS on Jun 10, 2025, filed Jun 17, 2025, scored 27 (weak).
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
KOSS: KOSS CORP
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 27Weak | KOSS CORP | $285k 50,000 shares | -23% | +42% from low-31% from high | |
| 17Weak | KOSSsell KOSS CORP | $185k 25,000 shares | -11% | - |
Transactions
Every row this insider has filed, 12 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 10, 2025 | KOSS KOSS CORP | MOption exercise Common Stock | +25,000 | $1.90 | $48k | 221,028 | Jun 17, 2025 |
| Jun 10, 2025 | KOSS KOSS CORP | SOpen-market sale Common Stock | -25,000 | $5.80 | $145k | 196,028 | Jun 17, 2025 |
| Jun 11, 2025 | KOSS KOSS CORP | MOption exercise Common Stock | +23,500 | $1.90 | $45k | 219,528 | Jun 17, 2025 |
| Jun 11, 2025 | KOSS KOSS CORP | SOpen-market sale Common Stock | -23,500 | $5.65 | $133k | 196,028 | Jun 17, 2025 |
| Jun 12, 2025 | KOSS KOSS CORP | MOption exercise Common Stock | +1,500 | $1.90 | $2,850 | 197,528 | Jun 17, 2025 |
| Jun 12, 2025 | KOSS KOSS CORP | SOpen-market sale Common Stock | -1,500 | $5.02 | $7,530 | 196,028 | Jun 17, 2025 |
| Jun 10, 2025 | KOSS KOSS CORP | MOption exercise Stock Option (Right to Buy)derivative | -25,000 | $0.00 | $0 | 25,000 | Jun 17, 2025 |
| Jun 11, 2025 | KOSS KOSS CORP | MOption exercise Stock Option (Right to Buy)derivative | -23,500 | $0.00 | $0 | 1,500 | Jun 17, 2025 |
| Jun 12, 2025 | KOSS KOSS CORP | MOption exercise Stock Option (Right to Buy)derivative | -1,500 | $0.00 | $0 | 0 | Jun 17, 2025 |
| Dec 12, 2024 | KOSS KOSS CORP | MOption exercise Common Stock | +25,000 | $1.90 | $48k | 221,028 | Dec 16, 2024 |
| Dec 12, 2024 | KOSS KOSS CORP | SOpen-market sale Common Stock | -25,000 | $7.39 | $185k | 196,028 | Dec 16, 2024 |
| Dec 12, 2024 | KOSS KOSS CORP | MOption exercise Stock Option (Right to Buy)derivative | -25,000 | $0.00 | $0 | 50,000 | Dec 16, 2024 |
Questions about John C Koss Jr
Answered from the filings on this page, as of the latest one.
Is John C Koss Jr buying or selling?
Not in the last 12 months. John C Koss Jr's latest open-market trade on SEC Form 4 was sold $285k of KOSS on Jun 10, 2025.
How did John C Koss Jr's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and John C Koss Jr has 0.
Where does John C Koss Jr file Form 4?
John C Koss Jr has filed Form 4 at KOSS (KOSS CORP) as Vice President - Sales. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.