Koss Corporation
US ˙ NasdaqCM ˙ US5006921085

SecurityKOSS / Koss Corporation
InsiderJohn C Jr Koss
This page shows the track record and history of KOSS JOHN C JR insider trades in Koss Corporation. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by John C Jr Koss in KOSS / Koss Corporation. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares		 Reported
Price		 Adjusted
Shares		 Adjusted
Price		 Cost Basis Days to
Max		 Price at
Max		 Max
Profit ($)		 Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

KOSS / Koss Corporation Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by John C Jr Koss in KOSS / Koss Corporation. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares		 Reported
Price		 Adjusted
Shares		 Adjusted
Price		 Cost Basis Days to
Min		 Price at
Min		 Max Loss
Avoided ($)		 Max Loss
Avoided (%)
2025-06-12 1,500 5.0200 1,500 5.0200 7,530 1 4.6950 -488 -6.47
2025-06-11 23,500 5.6500 23,500 5.6500 132,775
2025-06-10 25,000 5.8000 25,000 5.8000 145,000
2024-12-12 25,000 7.3890 25,000 7.3890 184,725
2024-05-20 25,000 5.2500 25,000 5.2500 131,250
2021-08-31 10,000 18.3800 10,000 18.3800 183,800
2021-08-30 5,000 18.2600 5,000 18.2600 91,300
2021-08-27 10,000 18.0600 10,000 18.0600 180,600
2021-08-24 36,263 17.4000 36,263 17.4000 630,976
2021-08-24 13,737 18.2700 13,737 18.2700 250,975
2021-08-24 25,000 20.0600 25,000 20.0600 501,500
2021-06-15 5,000 24.2200 5,000 24.2200 121,100
2021-06-14 3,000 25.2000 3,000 25.2000 75,600
2021-06-09 5,000 27.0000 5,000 27.0000 135,000
2021-06-08 8,133 30.0000 8,133 30.0000 243,990
2021-06-03 5,000 31.3500 5,000 31.3500 156,750
2021-06-03 5,000 30.0000 5,000 30.0000 150,000
2021-06-03 5,000 32.5000 5,000 32.5000 162,500
2021-06-03 5,000 35.3600 5,000 35.3600 176,800
2021-06-02 5,000 28.0000 5,000 28.0000 140,000
2021-06-01 5,000 25.0000 5,000 25.0000 125,000
2021-05-28 10,000 23.5000 10,000 23.5000 235,000
2021-03-10 10,000 25.2200 10,000 25.2200 252,200
2021-03-10 10,000 27.9500 10,000 27.9500 279,500
2021-03-10 5,000 30.0000 5,000 30.0000 150,000
2021-03-10 4,000 36.7200 4,000 36.7200 146,880
2021-02-25 10,000 30.1300 10,000 30.1300 301,300
2021-02-25 10,000 23.5100 10,000 23.5100 235,100
2021-02-25 40,000 27.0600 40,000 27.0600 1,082,400
2021-02-04 5,000 24.0000 5,000 24.0000 120,000
2021-02-03 10,000 25.4400 10,000 25.4400 254,400
2021-02-02 35,000 23.5600 35,000 23.5600 824,600
2021-02-02 5,133 18.0700 5,133 18.0700 92,753
2021-02-01 12,267 45.6200 12,267 45.6200 559,621
2021-02-01 96,250 42.2400 96,250 42.2400 4,065,600
2021-02-01 35,283 41.1100 35,283 41.1100 1,450,484
2021-02-01 47,033 39.1300 47,033 39.1300 1,840,401
2021-02-01 16,000 38.2600 16,000 38.2600 612,160
2021-02-01 43,167 36.6300 43,167 36.6300 1,581,207
2021-02-01 25,000 35.0600 25,000 35.0600 876,500
2021-02-01 10,000 34.0400 10,000 34.0400 340,400
2021-02-01 10,000 55.1800 10,000 55.1800 551,800
2021-02-01 17,779 49.4700 17,779 49.4700 879,527

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

KOSS / Koss Corporation Insider Trades
Insider Transaction History
File
Date		 Trade
Date		 Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price		 Unit
Price		 Units
Changed		 Value
Changed (1K)		 Remaining
Options		 Remaining
Shares
2025-06-17 2025-06-12 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 5.0200 -1,500 -8 196,028
2025-06-17 2025-06-12 4 KOSS JOHN C JR KOSS Common Stock M - Exercise D 1.9000 1,500 3 197,528
2025-06-17 2025-06-11 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 5.6500 -23,500 -133 196,028
2025-06-17 2025-06-11 4 KOSS JOHN C JR KOSS Common Stock M - Exercise D 1.9000 23,500 45 219,528
2025-06-17 2025-06-10 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 5.8000 -25,000 -145 196,028
2025-06-17 2025-06-10 4 KOSS JOHN C JR KOSS Common Stock M - Exercise D 1.9000 25,000 48 221,028
2024-12-16 2024-12-12 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 7.3890 -25,000 -185 196,028
2024-12-16 2024-12-12 4 KOSS JOHN C JR KOSS Common Stock M - Exercise D 1.9000 25,000 48 221,028
2024-05-21 2024-05-20 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 5.2500 -25,000 -131 196,028
2024-05-21 2024-05-20 4 KOSS JOHN C JR KOSS Common Stock M - Exercise D 2.1700 25,000 54 221,028
2022-06-03 2022-03-23 4 KOSS JOHN C JR By family corporation KOSS Common Stock Z - Other I -983,800 0
2022-06-03 2022-03-23 4 KOSS JOHN C JR As co-trustee of Nancy Koss Trust KOSS Common Stock Z - Other I -707,949 0
2022-06-03 2022-03-23 4 KOSS JOHN C JR As co-trustee of Koss Family Trust KOSS Common Stock Z - Other I -1,000,885 0
2021-09-02 2021-08-31 4 KOSS JOHN C JR KOSS Stock Option (right to buy) M - Exercise D 1.90 -10,000 75,000
2021-09-02 2021-08-31 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 18.3800 -10,000 -184 151,028
2021-09-02 2021-08-31 4 KOSS JOHN C JR KOSS Common Stock M - Exercise D 1.9000 10,000 19 161,028
2021-08-31 2021-08-30 4 KOSS JOHN C JR KOSS Stock Option (right to buy) M - Exercise D 1.90 -5,000 85,000
2021-08-31 2021-08-30 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 18.2600 -5,000 -91 151,028
2021-08-31 2021-08-30 4 KOSS JOHN C JR KOSS Common Stock M - Exercise D 1.9000 5,000 10 156,028
2021-08-31 2021-08-27 4 KOSS JOHN C JR KOSS Stock Option (right to buy) M - Exercise D 1.90 -10,000 90,000
2021-08-31 2021-08-27 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 18.0600 -10,000 -181 151,028
2021-08-31 2021-08-27 4 KOSS JOHN C JR KOSS Common Stock M - Exercise D 1.9000 10,000 19 161,028
2021-08-26 2021-08-24 4 KOSS JOHN C JR KOSS Stock Option (right to buy) M - Exercise D 1.95 -25,000 50,000
2021-08-26 2021-08-24 4 KOSS JOHN C JR KOSS Stock Option (right to buy) M - Exercise D 2.17 -25,000 50,000
2021-08-26 2021-08-24 4 KOSS JOHN C JR KOSS Stock Option (right to buy) M - Exercise D 2.92 -25,000 25,000
2021-08-26 2021-08-24 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 20.0600 -25,000 -501 151,028
2021-08-26 2021-08-24 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 18.2700 -13,737 -251 176,028
2021-08-26 2021-08-24 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 17.4000 -36,263 -631 189,765
2021-08-26 2021-08-24 4 KOSS JOHN C JR KOSS Common Stock M - Exercise D 2.1700 25,000 54 226,028
2021-08-26 2021-08-24 4 KOSS JOHN C JR KOSS Common Stock M - Exercise D 2.9200 25,000 73 201,028
2021-08-26 2021-08-24 4 KOSS JOHN C JR KOSS Common Stock M - Exercise D 1.9500 25,000 49 176,028
2021-06-16 2021-06-15 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 24.2200 -5,000 -121 151,028
2021-06-16 2021-06-14 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 25.2000 -3,000 -76 156,028
2021-06-10 2021-06-09 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 27.0000 -5,000 -135 159,028
2021-06-10 2021-06-08 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 30.0000 -8,133 -244 164,028
2021-06-03 2021-06-03 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 35.3600 -5,000 -177 172,161
2021-06-03 2021-06-03 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 32.5000 -5,000 -162 177,161
2021-06-03 2021-06-03 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 30.0000 -5,000 -150 182,161
2021-06-03 2021-06-03 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 31.3500 -5,000 -157 187,161
2021-06-03 2021-06-02 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 28.0000 -5,000 -140 192,161
2021-06-03 2021-06-01 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 25.0000 -5,000 -125 197,161
2021-06-01 2021-05-28 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 23.5000 -10,000 -235 202,161
2021-03-12 2021-03-11 4 KOSS JOHN C JR KOSS Common Stock G - Gift D -5,000 212,161
2021-03-12 2021-03-10 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 36.7200 -4,000 -147 217,161
2021-03-12 2021-03-10 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 30.0000 -5,000 -150 221,161
2021-03-12 2021-03-10 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 27.9500 -10,000 -280 226,161
2021-03-12 2021-03-10 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 25.2200 -10,000 -252 236,161
2021-02-26 2021-02-26 4 KOSS JOHN C JR KOSS Common Stock G - Gift D -10,000 246,161
2021-02-26 2021-02-25 4 KOSS JOHN C JR As co-trustee of Nancy Koss Trust KOSS Common Stock S - Sale I 27.0600 -40,000 -1,082 707,949
2021-02-26 2021-02-25 4 KOSS JOHN C JR As co-trustee of Nancy Koss Trust KOSS Common Stock S - Sale I 23.5100 -10,000 -235 747,949
2021-02-26 2021-02-25 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 30.1300 -10,000 -301 256,161
2021-02-05 2021-02-04 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 24.0000 -5,000 -120 266,161
2021-02-05 2021-02-03 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 25.4400 -10,000 -254 271,161
2021-02-03 2021-02-02 4 KOSS JOHN C JR As co-trustee of Nancy Koss Trust KOSS Common Stock S - Sale I 19.8400 -30,000 -595 757,949
2021-02-03 2021-02-02 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 18.0700 -5,133 -93 281,161
2021-02-03 2021-02-02 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 23.5600 -35,000 -825 286,294
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Stock Option (right to buy) M - Exercise D 2.17 -25,000 75,000
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Stock Option (right to buy) M - Exercise D 2.92 -50,000 50,000
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Stock Option (right to buy) M - Exercise D 1.95 -75,000 25,000
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Stock Option (right to buy) M - Exercise D 2.42 -100,000 0
2021-02-03 2021-02-01 4 KOSS JOHN C JR As co-trustee of Nancy Koss Trust KOSS Common Stock S - Sale I 35.0100 -20,000 -700 787,949
2021-02-03 2021-02-01 4 KOSS JOHN C JR As co-trustee of Nancy Koss Trust KOSS Common Stock S - Sale I 41.8100 -20,000 -836 807,949
2021-02-03 2021-02-01 4 KOSS JOHN C JR As co-trustee of Nancy Koss Trust KOSS Common Stock S - Sale I 44.0000 -5,000 -220 827,949
2021-02-03 2021-02-01 4 KOSS JOHN C JR As co-trustee of Nancy Koss Trust KOSS Common Stock S - Sale I 48.2600 -25,000 -1,206 832,949
2021-02-03 2021-02-01 4 KOSS JOHN C JR By 401(k) KOSS Common Stock S - Sale I 49.4700 -17,779 -880 0
2021-02-03 2021-02-01 4 KOSS JOHN C JR By 401(k) KOSS Common Stock S - Sale I 55.1800 -10,000 -552 17,779
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 34.0400 -10,000 -340 321,294
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 35.0600 -25,000 -876 331,294
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 36.6300 -43,167 -1,581 356,294
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 38.2600 -16,000 -612 399,461
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 39.1300 -47,033 -1,840 415,461
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 41.1100 -35,283 -1,450 462,494
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 42.2400 -96,250 -4,066 497,777
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Common Stock S - Sale D 45.6200 -12,267 -560 594,027
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Common Stock M - Exercise D 2.1700 25,000 54 606,294
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Common Stock M - Exercise D 2.9200 50,000 146 581,294
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Common Stock M - Exercise D 1.9500 75,000 146 531,294
2021-02-03 2021-02-01 4 KOSS JOHN C JR KOSS Common Stock M - Exercise D 2.4200 100,000 242 456,294
2021-02-03 2020-01-23 4 KOSS JOHN C JR Custodian KOSS Common Stock J - Other I -8,000 0
2021-02-03 2020-01-13 4 KOSS JOHN C JR Custodian KOSS Common Stock J - Other I -24,000 8,000
2020-07-23 2020-07-22 4 KOSS JOHN C JR KOSS Stock Options (Right to Buy) A - Award D 1.90 100,000 100,000
2019-07-25 2019-07-24 4 KOSS JOHN C JR KOSS Common Stock A - Award D 2.17 2.1700 100,000 217 100,000
2018-07-27 2018-07-25 4 KOSS JOHN C JR KOSS Common Stock A - Award D 2.92 2.9200 100,000 292 100,000
2017-07-27 2017-07-26 4 KOSS JOHN C JR KOSS Stock Option (right to buy) A - Award D 1.95 1.9500 100,000 195 100,000
2016-07-28 2016-07-27 4 KOSS JOHN C JR KOSS Stock Option (right to buy) A - Award D 2.42 2.4200 100,000 242 100,000
2015-07-30 2015-07-29 4 KOSS JOHN C JR KOSS Stock Option (right to buy) A - Award D 2.83 100,000 100,000
2014-07-25 2014-07-23 4 KOSS JOHN C JR KOSS Stock Option (right to buy) A - Award D 3.30 100,000 100,000
2013-07-26 2013-07-24 4 KOSS JOHN C JR KOSS Stock Option (right to buy) A - Award D 5.83 100,000 100,000
2013-07-26 2012-12-20 4 KOSS JOHN C JR By self as co-trustee of Nancy Koss Trust KOSS Common Stock G - Gift I 857,949 857,949
2012-10-25 2012-07-25 4 KOSS JOHN C JR KOSS Employee Stock Option (right to buy) A - Award D 5.47 100,000 100,000
2012-10-25 2011-07-27 4 KOSS JOHN C JR KOSS Employee Stock Option (right to buy) A - Award D 6.60 100,000 100,000
P
Köp på öppna marknaden eller privat köp av icke-derivatsäkerhet
S
Köp på öppna marknaden eller privat försäljning av icke-derivatsäkerhet
A
Bevilja, tilldelning eller annat förvärv av värdepapper från företaget (såsom en option)
C
Omvandling av derivat
D
Försäljning eller överföring av värdepapper tillbaka til företaget
F
Betalning av lösenpris eller skatteskuld med del av värdepapper som erhållits från bolaget
G
Överlåtelse av värdepapper från eller till insidern
K
Aktieswappar och liknande säkringsaffärer
M
Utövande eller omvandling av derivatsäkerhet som erhållits från företaget (som en option)
V
En transaktion friviligt rapporterad på schema 4
J
Andra (med en fotnot som beskriver transaktionen)